Skip to content

Class: SampleProcessing

URI: ak_schema:SampleProcessing

classDiagram class SampleProcessing click SampleProcessing href "../SampleProcessing" AIRRStandards <|-- SampleProcessing click AIRRStandards href "../AIRRStandards" SampleProcessing : anatomic_site SampleProcessing : biomaterial_provider SampleProcessing : cell_isolation SampleProcessing : cell_number SampleProcessing : cell_phenotype SampleProcessing : cell_processing_protocol SampleProcessing : cell_quality SampleProcessing : cell_species SampleProcessing --> "0..1" CellSpeciesOntology : cell_species click CellSpeciesOntology href "../CellSpeciesOntology" SampleProcessing : cell_storage SampleProcessing : cell_subset SampleProcessing --> "0..1" CellSubsetOntology : cell_subset click CellSubsetOntology href "../CellSubsetOntology" SampleProcessing : cells_per_reaction SampleProcessing : collection_time_point_reference SampleProcessing : collection_time_point_relative SampleProcessing : collection_time_point_relative_unit SampleProcessing --> "0..1" CollectionTimePointRelativeUnitOntology : collection_time_point_relative_unit click CollectionTimePointRelativeUnitOntology href "../CollectionTimePointRelativeUnitOntology" SampleProcessing : complete_sequences SampleProcessing --> "0..1" CompleteSequencesEnum : complete_sequences click CompleteSequencesEnum href "../CompleteSequencesEnum" SampleProcessing : disease_state_sample SampleProcessing : library_generation_kit_version SampleProcessing : library_generation_method SampleProcessing --> "0..1" LibraryGenerationMethodEnum : library_generation_method click LibraryGenerationMethodEnum href "../LibraryGenerationMethodEnum" SampleProcessing : library_generation_protocol SampleProcessing : pcr_target SampleProcessing --> "*" PCRTarget : pcr_target click PCRTarget href "../PCRTarget" SampleProcessing : physical_linkage SampleProcessing --> "0..1" PhysicalLinkageEnum : physical_linkage click PhysicalLinkageEnum href "../PhysicalLinkageEnum" SampleProcessing : sample_id SampleProcessing : sample_processing_id SampleProcessing : sample_type SampleProcessing : sequencing_facility SampleProcessing : sequencing_files SampleProcessing --> "0..1" SequencingData : sequencing_files click SequencingData href "../SequencingData" SampleProcessing : sequencing_kit SampleProcessing : sequencing_platform SampleProcessing : sequencing_run_date SampleProcessing : sequencing_run_id SampleProcessing : single_cell SampleProcessing : template_amount SampleProcessing : template_amount_unit SampleProcessing --> "0..1" TemplateAmountUnitOntology : template_amount_unit click TemplateAmountUnitOntology href "../TemplateAmountUnitOntology" SampleProcessing : template_class SampleProcessing --> "0..1" TemplateClassEnum : template_class click TemplateClassEnum href "../TemplateClassEnum" SampleProcessing : template_quality SampleProcessing : tissue SampleProcessing --> "0..1" TissueOntology : tissue click TissueOntology href "../TissueOntology" SampleProcessing : tissue_processing SampleProcessing : total_reads_passing_qc_filter

Inheritance

Slots

Name Cardinality and Range Description Inheritance
sample_processing_id 0..1
String
direct
sample_id 0..1
String
Sample ID assigned by submitter, unique within study direct
sample_type 0..1
String
The way the sample was obtained, e direct
tissue 0..1
TissueOntology
The actual tissue sampled, e direct
anatomic_site 0..1
String
The anatomic location of the tissue, e direct
disease_state_sample 0..1
String
Histopathologic evaluation of the sample direct
collection_time_point_relative 0..1
Float
Time point at which sample was taken, relative to Collection time event direct
collection_time_point_relative_unit 0..1
CollectionTimePointRelativeUnitOntology
Unit of Sample collection time direct
collection_time_point_reference 0..1
String
Event in the study schedule to which Sample collection time relates to direct
biomaterial_provider 0..1
String
Name and address of the entity providing the sample direct
tissue_processing 0..1
String
Enzymatic digestion and/or physical methods used to isolate cells from sample direct
cell_subset 0..1
CellSubsetOntology
Commonly-used designation of isolated cell population direct
cell_phenotype 0..1
String
List of cellular markers and their expression levels used to isolate the cell... direct
cell_species 0..1
CellSpeciesOntology
Binomial designation of the species from which the analyzed cells originate direct
single_cell 0..1
Boolean
TRUE if single cells were isolated into separate compartments direct
cell_number 0..1
Integer
Total number of cells that went into the experiment direct
cells_per_reaction 0..1
Integer
Number of cells for each biological replicate direct
cell_storage 0..1
Boolean
TRUE if cells were cryo-preserved between isolation and further processing direct
cell_quality 0..1
String
Relative amount of viable cells after preparation and (if applicable) thawing direct
cell_isolation 0..1
String
Description of the procedure used for marker-based isolation or enrich cells direct
cell_processing_protocol 0..1
String
Description of the methods applied to the sample including cell preparation/ ... direct
template_class 0..1
TemplateClassEnum
The class of nucleic acid that was used as primary starting material for the ... direct
template_quality 0..1
String
Description and results of the quality control performed on the template mate... direct
template_amount 0..1
Float
Amount of template that went into the process direct
template_amount_unit 0..1
TemplateAmountUnitOntology
Unit of template amount direct
library_generation_method 0..1
LibraryGenerationMethodEnum
Generic type of library generation direct
library_generation_protocol 0..1
String
Description of processes applied to substrate to obtain a library that is rea... direct
library_generation_kit_version 0..1
String
When using a library generation protocol from a commercial provider, provide ... direct
pcr_target *
PCRTarget
If a PCR step was performed that specifically targets the IG/TR loci, the tar... direct
complete_sequences 0..1
CompleteSequencesEnum
To be considered complete, the procedure used for library construction MUST... direct
physical_linkage 0..1
PhysicalLinkageEnum
In case an experimental setup is used that physically links nucleic acids der... direct
sequencing_run_id 0..1
String
ID of sequencing run assigned by the sequencing facility direct
total_reads_passing_qc_filter 0..1
Integer
Number of usable reads for analysis direct
sequencing_platform 0..1
String
Designation of sequencing instrument used direct
sequencing_facility 0..1
String
Name and address of sequencing facility direct
sequencing_run_date 0..1
Datetime
Date of sequencing run direct
sequencing_kit 0..1
String
Name, manufacturer, order and lot numbers of sequencing kit direct
sequencing_files 0..1
SequencingData
Set of sequencing files produced by the sequencing run direct

Usages

used by used in type used
Repertoire sample range SampleProcessing

Identifier and Mapping Information

Schema Source

  • from schema: https://github.com/airr-knowledge/ak-schema

Mappings

Mapping Type Mapped Value
self ak_schema:SampleProcessing
native ak_schema:SampleProcessing

LinkML Source

Direct

name: SampleProcessing
from_schema: https://github.com/airr-knowledge/ak-schema
is_a: AIRRStandards
slots:
- sample_processing_id
- sample_id
- sample_type
- tissue
- anatomic_site
- disease_state_sample
- collection_time_point_relative
- collection_time_point_relative_unit
- collection_time_point_reference
- biomaterial_provider
- tissue_processing
- cell_subset
- cell_phenotype
- cell_species
- single_cell
- cell_number
- cells_per_reaction
- cell_storage
- cell_quality
- cell_isolation
- cell_processing_protocol
- template_class
- template_quality
- template_amount
- template_amount_unit
- library_generation_method
- library_generation_protocol
- library_generation_kit_version
- pcr_target
- complete_sequences
- physical_linkage
- sequencing_run_id
- total_reads_passing_qc_filter
- sequencing_platform
- sequencing_facility
- sequencing_run_date
- sequencing_kit
- sequencing_files

Induced

name: SampleProcessing
from_schema: https://github.com/airr-knowledge/ak-schema
is_a: AIRRStandards
attributes:
  sample_processing_id:
    name: sample_processing_id
    annotations:
      nullable:
        tag: nullable
        value: true
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: sample_processing_id
    owner: SampleProcessing
    domain_of:
    - Rearrangement
    - SampleProcessing
    range: string
  sample_id:
    name: sample_id
    annotations:
      nullable:
        tag: nullable
        value: true
    description: Sample ID assigned by submitter, unique within study. If possible,
      a persistent sample ID linked to INSDC or similar repository study should be
      used.
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: sample_id
    owner: SampleProcessing
    domain_of:
    - Sample
    - SampleProcessing
    range: string
  sample_type:
    name: sample_type
    annotations:
      nullable:
        tag: nullable
        value: true
    description: The way the sample was obtained, e.g. fine-needle aspirate, organ
      harvest, peripheral venous puncture
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    slot_uri: rdf:type
    alias: sample_type
    owner: SampleProcessing
    domain_of:
    - Sample
    - SampleProcessing
    range: string
  tissue:
    name: tissue
    annotations:
      nullable:
        tag: nullable
        value: true
    description: The actual tissue sampled, e.g. lymph node, liver, peripheral blood
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: tissue
    owner: SampleProcessing
    domain_of:
    - Specimen
    - Sample
    - SampleProcessing
    range: TissueOntology
  anatomic_site:
    name: anatomic_site
    annotations:
      nullable:
        tag: nullable
        value: true
    description: The anatomic location of the tissue, e.g. Inguinal, femur
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: anatomic_site
    owner: SampleProcessing
    domain_of:
    - Sample
    - SampleProcessing
    range: string
  disease_state_sample:
    name: disease_state_sample
    annotations:
      nullable:
        tag: nullable
        value: true
    description: Histopathologic evaluation of the sample
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: disease_state_sample
    owner: SampleProcessing
    domain_of:
    - Sample
    - SampleProcessing
    range: string
  collection_time_point_relative:
    name: collection_time_point_relative
    annotations:
      nullable:
        tag: nullable
        value: true
    description: Time point at which sample was taken, relative to `Collection time
      event`
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: collection_time_point_relative
    owner: SampleProcessing
    domain_of:
    - Sample
    - SampleProcessing
    range: float
  collection_time_point_relative_unit:
    name: collection_time_point_relative_unit
    annotations:
      nullable:
        tag: nullable
        value: true
    description: Unit of Sample collection time
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: collection_time_point_relative_unit
    owner: SampleProcessing
    domain_of:
    - Sample
    - SampleProcessing
    range: CollectionTimePointRelativeUnitOntology
  collection_time_point_reference:
    name: collection_time_point_reference
    annotations:
      nullable:
        tag: nullable
        value: true
    description: Event in the study schedule to which `Sample collection time` relates
      to
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: collection_time_point_reference
    owner: SampleProcessing
    domain_of:
    - Sample
    - SampleProcessing
    range: string
  biomaterial_provider:
    name: biomaterial_provider
    annotations:
      nullable:
        tag: nullable
        value: true
    description: Name and address of the entity providing the sample
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: biomaterial_provider
    owner: SampleProcessing
    domain_of:
    - Sample
    - SampleProcessing
    range: string
  tissue_processing:
    name: tissue_processing
    annotations:
      nullable:
        tag: nullable
        value: true
    description: Enzymatic digestion and/or physical methods used to isolate cells
      from sample
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: tissue_processing
    owner: SampleProcessing
    domain_of:
    - CellIsolationProcessing
    - CellProcessing
    - SampleProcessing
    range: string
  cell_subset:
    name: cell_subset
    annotations:
      nullable:
        tag: nullable
        value: true
    description: Commonly-used designation of isolated cell population
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: cell_subset
    owner: SampleProcessing
    domain_of:
    - CellIsolationProcessing
    - CellProcessing
    - SampleProcessing
    range: CellSubsetOntology
  cell_phenotype:
    name: cell_phenotype
    annotations:
      nullable:
        tag: nullable
        value: true
    description: List of cellular markers and their expression levels used to isolate
      the cell population
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: cell_phenotype
    owner: SampleProcessing
    domain_of:
    - CellIsolationProcessing
    - CellProcessing
    - SampleProcessing
    range: string
  cell_species:
    name: cell_species
    annotations:
      nullable:
        tag: nullable
        value: true
    description: Binomial designation of the species from which the analyzed cells
      originate. Typically, this value should be identical to `species`, in which
      case it SHOULD NOT be set explicitly. However, there are valid experimental
      setups in which the two might differ, e.g., chimeric animal models. If set,
      this key will overwrite the `species` information for all lower layers of the
      schema.
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: cell_species
    owner: SampleProcessing
    domain_of:
    - CellIsolationProcessing
    - CellProcessing
    - SampleProcessing
    range: CellSpeciesOntology
  single_cell:
    name: single_cell
    annotations:
      nullable:
        tag: nullable
        value: true
    description: TRUE if single cells were isolated into separate compartments
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: single_cell
    owner: SampleProcessing
    domain_of:
    - CellIsolationProcessing
    - CellProcessing
    - SampleProcessing
    range: boolean
  cell_number:
    name: cell_number
    annotations:
      nullable:
        tag: nullable
        value: true
    description: Total number of cells that went into the experiment
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: cell_number
    owner: SampleProcessing
    domain_of:
    - CellIsolationProcessing
    - CellProcessing
    - SampleProcessing
    range: integer
  cells_per_reaction:
    name: cells_per_reaction
    annotations:
      nullable:
        tag: nullable
        value: true
    description: Number of cells for each biological replicate
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: cells_per_reaction
    owner: SampleProcessing
    domain_of:
    - CellIsolationProcessing
    - CellProcessing
    - SampleProcessing
    range: integer
  cell_storage:
    name: cell_storage
    annotations:
      nullable:
        tag: nullable
        value: true
    description: TRUE if cells were cryo-preserved between isolation and further processing
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: cell_storage
    owner: SampleProcessing
    domain_of:
    - CellIsolationProcessing
    - CellProcessing
    - SampleProcessing
    range: boolean
  cell_quality:
    name: cell_quality
    annotations:
      nullable:
        tag: nullable
        value: true
    description: Relative amount of viable cells after preparation and (if applicable)
      thawing
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: cell_quality
    owner: SampleProcessing
    domain_of:
    - CellIsolationProcessing
    - CellProcessing
    - SampleProcessing
    range: string
  cell_isolation:
    name: cell_isolation
    annotations:
      nullable:
        tag: nullable
        value: true
    description: Description of the procedure used for marker-based isolation or enrich
      cells
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: cell_isolation
    owner: SampleProcessing
    domain_of:
    - CellIsolationProcessing
    - CellProcessing
    - SampleProcessing
    range: string
  cell_processing_protocol:
    name: cell_processing_protocol
    annotations:
      nullable:
        tag: nullable
        value: true
    description: Description of the methods applied to the sample including cell preparation/
      isolation/enrichment and nucleic acid extraction. This should closely mirror
      the Materials and methods section in the manuscript.
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: cell_processing_protocol
    owner: SampleProcessing
    domain_of:
    - CellIsolationProcessing
    - CellProcessing
    - SampleProcessing
    range: string
  template_class:
    name: template_class
    annotations:
      nullable:
        tag: nullable
        value: false
    description: The class of nucleic acid that was used as primary starting material
      for the following procedures
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: template_class
    owner: SampleProcessing
    domain_of:
    - NucleicAcidProcessing
    - SampleProcessing
    range: TemplateClassEnum
  template_quality:
    name: template_quality
    annotations:
      nullable:
        tag: nullable
        value: true
    description: Description and results of the quality control performed on the template
      material
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: template_quality
    owner: SampleProcessing
    domain_of:
    - NucleicAcidProcessing
    - SampleProcessing
    range: string
  template_amount:
    name: template_amount
    annotations:
      nullable:
        tag: nullable
        value: true
    description: Amount of template that went into the process
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: template_amount
    owner: SampleProcessing
    domain_of:
    - NucleicAcidProcessing
    - SampleProcessing
    range: float
  template_amount_unit:
    name: template_amount_unit
    annotations:
      nullable:
        tag: nullable
        value: true
    description: Unit of template amount
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: template_amount_unit
    owner: SampleProcessing
    domain_of:
    - NucleicAcidProcessing
    - SampleProcessing
    range: TemplateAmountUnitOntology
  library_generation_method:
    name: library_generation_method
    annotations:
      nullable:
        tag: nullable
        value: false
    description: Generic type of library generation
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: library_generation_method
    owner: SampleProcessing
    domain_of:
    - NucleicAcidProcessing
    - SampleProcessing
    range: LibraryGenerationMethodEnum
  library_generation_protocol:
    name: library_generation_protocol
    annotations:
      nullable:
        tag: nullable
        value: true
    description: Description of processes applied to substrate to obtain a library
      that is ready for sequencing
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: library_generation_protocol
    owner: SampleProcessing
    domain_of:
    - NucleicAcidProcessing
    - SampleProcessing
    range: string
  library_generation_kit_version:
    name: library_generation_kit_version
    annotations:
      nullable:
        tag: nullable
        value: true
    description: When using a library generation protocol from a commercial provider,
      provide the protocol version number
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: library_generation_kit_version
    owner: SampleProcessing
    domain_of:
    - NucleicAcidProcessing
    - SampleProcessing
    range: string
  pcr_target:
    name: pcr_target
    annotations:
      nullable:
        tag: nullable
        value: false
    description: If a PCR step was performed that specifically targets the IG/TR loci,
      the target and primer locations need to be provided here. This field holds an
      array of PCRTarget objects, so that multiplex PCR setups amplifying multiple
      loci at the same time can be annotated using one record per locus. PCR setups
      not targeting any specific locus must not annotate this field but select the
      appropriate library_generation_method instead.
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: pcr_target
    owner: SampleProcessing
    domain_of:
    - NucleicAcidProcessing
    - SampleProcessing
    range: PCRTarget
    multivalued: true
  complete_sequences:
    name: complete_sequences
    annotations:
      nullable:
        tag: nullable
        value: false
    description: To be considered `complete`, the procedure used for library construction
      MUST generate sequences that 1) include the first V gene codon that encodes
      the mature polypeptide chain (i.e. after the leader sequence) and 2) include
      the last complete codon of the J gene (i.e. 1 bp 5' of the J->C splice site)
      and 3) provide sequence information for all positions between 1) and 2). To
      be considered `complete & untemplated`, the sections of the sequences defined
      in points 1) to 3) of the previous sentence MUST be untemplated, i.e. MUST NOT
      overlap with the primers used in library preparation. `mixed` should only be
      used if the procedure used for library construction will likely produce multiple
      categories of sequences in the given experiment. It SHOULD NOT be used as a
      replacement of a NULL value.
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: complete_sequences
    owner: SampleProcessing
    domain_of:
    - NucleicAcidProcessing
    - SampleProcessing
    range: CompleteSequencesEnum
  physical_linkage:
    name: physical_linkage
    annotations:
      nullable:
        tag: nullable
        value: false
    description: In case an experimental setup is used that physically links nucleic
      acids derived from distinct `Rearrangements` before library preparation, this
      field describes the mode of that linkage. All `hetero_*` terms indicate that
      in case of paired-read sequencing, the two reads should be expected to map to
      distinct IG/TR loci. `*_head-head` refers to techniques that link the 5' ends
      of transcripts in a single-cell context. `*_tail-head` refers to techniques
      that link the 3' end of one transcript to the 5' end of another one in a single-cell
      context. This term does not provide any information whether a continuous reading-frame
      between the two is generated. `*_prelinked` refers to constructs in which the
      linkage was already present on the DNA level (e.g. scFv).
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: physical_linkage
    owner: SampleProcessing
    domain_of:
    - NucleicAcidProcessing
    - SampleProcessing
    range: PhysicalLinkageEnum
  sequencing_run_id:
    name: sequencing_run_id
    annotations:
      nullable:
        tag: nullable
        value: true
    description: ID of sequencing run assigned by the sequencing facility
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: sequencing_run_id
    owner: SampleProcessing
    domain_of:
    - SequencingRun
    - SampleProcessing
    range: string
  total_reads_passing_qc_filter:
    name: total_reads_passing_qc_filter
    annotations:
      nullable:
        tag: nullable
        value: true
    description: Number of usable reads for analysis
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: total_reads_passing_qc_filter
    owner: SampleProcessing
    domain_of:
    - SequencingRun
    - SampleProcessing
    range: integer
  sequencing_platform:
    name: sequencing_platform
    annotations:
      nullable:
        tag: nullable
        value: true
    description: Designation of sequencing instrument used
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: sequencing_platform
    owner: SampleProcessing
    domain_of:
    - SequencingRun
    - SampleProcessing
    range: string
  sequencing_facility:
    name: sequencing_facility
    annotations:
      nullable:
        tag: nullable
        value: true
    description: Name and address of sequencing facility
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: sequencing_facility
    owner: SampleProcessing
    domain_of:
    - SequencingRun
    - SampleProcessing
    range: string
  sequencing_run_date:
    name: sequencing_run_date
    annotations:
      nullable:
        tag: nullable
        value: true
    description: Date of sequencing run
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: sequencing_run_date
    owner: SampleProcessing
    domain_of:
    - SequencingRun
    - SampleProcessing
    range: datetime
  sequencing_kit:
    name: sequencing_kit
    annotations:
      nullable:
        tag: nullable
        value: true
    description: Name, manufacturer, order and lot numbers of sequencing kit
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: sequencing_kit
    owner: SampleProcessing
    domain_of:
    - SequencingRun
    - SampleProcessing
    range: string
  sequencing_files:
    name: sequencing_files
    annotations:
      nullable:
        tag: nullable
        value: false
    description: Set of sequencing files produced by the sequencing run
    from_schema: https://github.com/airr-knowledge/ak-schema
    rank: 1000
    alias: sequencing_files
    owner: SampleProcessing
    domain_of:
    - SequencingRun
    - SampleProcessing
    range: SequencingData