Cortexa research tool·structure·rcsb_chemcomp

RCSB Get Chemical Component

Get detailed chemical component information from the RCSB Protein Data Bank by 3-letter component ID. Returns the chemical name, formula, molecular weight, type (non-polymer, peptide-like, D-saccharide, etc.), InChI/SMILES descriptors, and synonyms. Chemical components include ligands, drugs, cofactors, and modified residues found in PDB structures. Common examples: ATP, HEM (heme), NAG (N-acetylglucosamine), STI (imatinib/Gleevec), FAD, NAD.

Livelast probed 2026-04-30 23:07Z· 90msCortexa

Status

The most recent probe succeeded. Safe to call from the agent today.

Last probed: 1d ago
Last success: 1d ago
Last latency: 90ms

Schema

JSON Schema the agent (or your API call) must match.

{
  "properties": {
    "comp_id": {
      "description": "3-letter chemical component ID in uppercase (e.g., 'ATP', 'HEM', 'NAG', 'STI', 'FAD', 'NAD', 'GDP', 'ADP')",
      "type": "string"
    }
  },
  "required": [
    "comp_id"
  ],
  "type": "object"
}

Examples (1)

Default RCSB Get Chemical Component call

public-safeinput

{
  "comp_id": ""
}

Expected response keys: success

Anonymous-safe example. Rate-limited; no sign-in required.

Identifiers

Catalog ID: tu_RCSB_get_chemical_component
Tool name: RCSB_get_chemical_component
Added: 2026-04-30 22:47Z
Tags: tooluniverse

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