{"uid":"cap_QuSdMi0V2ejTh5S8vnB7t","slug":"rcsb-pdb-structure-lookup-81c46605","name":"RCSB PDB Structure Lookup","description":"Protein Data Bank Structure (RCSB PDB). Protein Data Bank structure lookup by PDB id (4HHB): title, experimental method, resolution, release date, molecular weight, each polymer chain with organism and UniProt ids, bound ligands with formulas, primary citation (DOI, PubMed) and coordinate file links. RCSB PDB, CC0.","url":"https://saylorinnovations.com/api/bio/pdb/:pdb_id?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_dN1HEZOj5xJFVpp-fDfSx","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves detailed structural metadata for a Protein Data Bank entry by PDB ID, including title, experimental method, resolution, polymer chains, ligands, and citation links.","exampleAgentPrompt":"Can you look up the PDB structure 4HHB and tell me the experimental method, resolution, polymer chains with their organisms and UniProt IDs, and any bound ligands?","exampleUseCases":[{"title":"Protein structure research lookup","prompt":"I'm studying hemoglobin — can you pull up the PDB entry 4HHB and give me the title, resolution, release date, and the UniProt IDs for each polymer chain?"},{"title":"Ligand binding analysis","prompt":"For PDB structure 1ATP, what bound ligands are present and what are their chemical formulas? Also include the molecular weight and experimental method."},{"title":"Citation and coordinate file retrieval","prompt":"I need the primary citation DOI and PubMed ID for PDB entry 6VXX, plus the coordinate file download links so I can run a molecular dynamics simulation."}],"resultDescription":"Returns a structured JSON object containing the PDB entry's title, experimental method (e.g. X-ray crystallography, cryo-EM), resolution, release date, molecular weight, a list of polymer chains each annotated with organism and UniProt IDs, bound ligands with their chemical formulas, the primary citation with DOI and PubMed ID, and links to coordinate files.","failureModes":["Invalid or nonexistent PDB ID returns a 404 or empty result","Malformed PDB ID format (not 4 alphanumeric characters) may return a validation error","Upstream RCSB PDB service outage causes timeout or 502 error","Payment failure (insufficient USDC) blocks the request before processing"],"whenToPreferThis":"Choose this endpoint when you need comprehensive structural metadata for a specific PDB entry in a single call, including chain-level organism/UniProt annotations and ligand details. Prefer this over directly querying RCSB PDB APIs when you need a simple, agent-friendly interface with per-call micropayment pricing and no API key management.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T12:40:17.262Z","isFirstParty":false,"canonicalSlug":"rcsb-pdb-structure-lookup-81c46605"}