STRING · Schema

Interaction

A protein-protein interaction record from the STRING database with combined and component evidence scores.

BioinformaticsProteinsGenomicsLife SciencesResearchOpen Data

Properties

Name	Type	Description
stringId_A	string	STRING identifier for protein A (taxon.ENSP format)
stringId_B	string	STRING identifier for protein B (taxon.ENSP format)
preferredName_A	string	Preferred gene/protein name for protein A
preferredName_B	string	Preferred gene/protein name for protein B
ncbiTaxonId	integer	NCBI taxonomy identifier for the organism
score	number	Combined interaction confidence score (0-1, multiply by 1000 for the integer form)
nscore	number	Genomic neighborhood evidence score
fscore	number	Gene fusion evidence score
pscore	number	Phylogenetic co-occurrence evidence score
ascore	number	Co-expression evidence score
escore	number	Experimental evidence score
dscore	number	Curated database evidence score
tscore	number	Text mining evidence score

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://string-db.org/schema/interaction.json",
  "title": "Interaction",
  "description": "A protein-protein interaction record from the STRING database with combined and component evidence scores.",
  "type": "object",
  "properties": {
    "stringId_A": {
      "type": "string",
      "description": "STRING identifier for protein A (taxon.ENSP format)",
      "examples": ["9606.ENSP00000269305"]
    },
    "stringId_B": {
      "type": "string",
      "description": "STRING identifier for protein B (taxon.ENSP format)",
      "examples": ["9606.ENSP00000083083"]
    },
    "preferredName_A": {
      "type": "string",
      "description": "Preferred gene/protein name for protein A",
      "examples": ["TP53"]
    },
    "preferredName_B": {
      "type": "string",
      "description": "Preferred gene/protein name for protein B",
      "examples": ["MDM2"]
    },
    "ncbiTaxonId": {
      "type": "integer",
      "description": "NCBI taxonomy identifier for the organism",
      "examples": [9606]
    },
    "score": {
      "type": "number",
      "description": "Combined interaction confidence score (0-1, multiply by 1000 for the integer form)",
      "minimum": 0,
      "maximum": 1,
      "examples": [0.999]
    },
    "nscore": {
      "type": "number",
      "description": "Genomic neighborhood evidence score",
      "minimum": 0,
      "maximum": 1
    },
    "fscore": {
      "type": "number",
      "description": "Gene fusion evidence score",
      "minimum": 0,
      "maximum": 1
    },
    "pscore": {
      "type": "number",
      "description": "Phylogenetic co-occurrence evidence score",
      "minimum": 0,
      "maximum": 1
    },
    "ascore": {
      "type": "number",
      "description": "Co-expression evidence score",
      "minimum": 0,
      "maximum": 1
    },
    "escore": {
      "type": "number",
      "description": "Experimental evidence score",
      "minimum": 0,
      "maximum": 1
    },
    "dscore": {
      "type": "number",
      "description": "Curated database evidence score",
      "minimum": 0,
      "maximum": 1
    },
    "tscore": {
      "type": "number",
      "description": "Text mining evidence score",
      "minimum": 0,
      "maximum": 1
    }
  },
  "required": ["stringId_A", "stringId_B", "preferredName_A", "preferredName_B", "ncbiTaxonId", "score"]
}

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