{"uid":"cap_JMVut28ApD66C51lGoM_3","slug":"fittings-pdb-structure-info-f4edae72","name":"fittings PDB Structure Info","description":"Experimental method, resolution, R-factor, unit cell, entity composition and primary citation for a PDB entry.","url":"https://fittings.sh/v1/pdb/structure","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["id"],"properties":{"id":{"type":"string","description":"Four-character PDB id, e.g. 4HHB"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_U6DMPdPVpGV-DlIfyrXHt","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves experimental method, resolution, R-factor, unit cell, entity composition, and primary citation for a given PDB entry by its four-character ID.","exampleAgentPrompt":"Can you pull up the structure details for PDB entry 4HHB — I need the experimental method, resolution, R-factor, and primary citation?","exampleUseCases":[{"title":"Protein crystallography quality check","prompt":"Look up the resolution and R-factor for PDB entry 1TIM so I can assess how good the crystal structure is."},{"title":"Finding original publication for a structure","prompt":"What is the primary citation for PDB structure 3NIR? I need the authors and journal info."},{"title":"Retrieving entity composition of a complex","prompt":"Get me the entity composition and unit cell parameters for PDB entry 2GBP — I want to know what chains are in the asymmetric unit."}],"resultDescription":"Returns structured metadata for the specified PDB entry including: experimental method (e.g. X-RAY DIFFRACTION, EM), resolution in Ångströms, R-work and R-free values, unit cell dimensions and angles, entity composition (chains, macromolecule types), and the primary literature citation with authors, journal, year, DOI, and title.","failureModes":["Invalid or non-existent PDB ID returns an error — IDs must be exactly four characters","Deprecated or obsolete PDB entries may return incomplete data or redirect metadata","Network or upstream PDB API unavailability causes request failure","Malformed query parameter (missing 'id') results in a schema validation error"],"whenToPreferThis":"Use this endpoint when you need concise, structured PDB entry metadata — resolution, R-factor, unit cell, method, entities, and citation — without needing full coordinate data or atom-level details. Prefer it over direct RCSB API calls for simplicity and pay-per-call pricing without authentication setup.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:05:43.377Z","isFirstParty":false}