{"slug":"2s-io-api-bio-protein-eb8a41","title":"Look up a protein in UniProtKB by accession (e.g","host":"2s.io","method":"GET","resource":"https://2s.io/api/bio/protein","category":"search","description":"Look up a protein in UniProtKB by accession (e.g. \"P04637\", \"Q9Y6K9\", \"P0DTC2\"). Returns the entry id, reviewed (Swiss-Prot) flag, recommended + alternative protein names, gene names, organism + taxid, sequence length and molecular weight, the curated function description, subcellular locations, Gen","price_listed":0.0036,"price_asked":0.0036,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":236,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"accession":"P04637"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"properties":{"method":{"const":"GET"},"queryParams":{"properties":{"accession":{"description":"UniProtKB accession, e.g. \"P04637\".","type":"string"}},"required":["accession"]},"type":{"const":"http"}},"required":["type","method","queryParams"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.0036,"price_match":true,"latency_ms":236,"error":null}],"description_full":"Look up a protein in UniProtKB by accession (e.g. \"P04637\", \"Q9Y6K9\", \"P0DTC2\"). Returns the entry id, reviewed (Swiss-Prot) flag, recommended + alternative protein names, gene names, organism + taxid, sequence length and molecular weight, the curated function description, subcellular locations, Gene Ontology terms (id + term + aspect: biological_process / molecular_function / cellular_component), PDB structure ids, and keywords. Bioinformatics, structural biology, drug-target research, education. Gene-centric sibling: /api/bio/gene. CC-BY UniProt data.","last_updated":"2026-09-19T16:00:29.432Z","schemes":["exact"]}