GET /core/nonpolymer_entity/{entry_id}/{entity_id}
Summary: Get non-polymer entity data
Operation ID: getNonpolymerEntity
Auth: unknown
Operation ID: getNonpolymerEntity
Auth: unknown
Description
Retrieve information about a non-polymer entity (ligand, ion) within a PDB entry
Parameters (2)
entity_id
(string, path, required)
Entity ID within entry
entry_id
(string, path, required)
PDB entry ID
Examples (3)
| Title | Type | URL | Action |
|---|---|---|---|
| Hemoglobin with heme ligand | curl |
https://data.rcsb.org/core/nonpolymer_entity/4HHB/2 |
|
| Myoglobin with heme group | curl |
https://data.rcsb.org/core/nonpolymer_entity/1MBN/2 |
|
| Lysozyme with bound ion | curl |
https://data.rcsb.org/core/nonpolymer_entity/1AKI/1 |
Probe History
Status Codes
| Time | Status | Latency | Size |
|---|---|---|---|
| 2026-03-23 10:43:19.236392 | 404 | 348ms | |
| 2026-03-23 09:14:31.515019 | 404 | 350ms | |
| 2026-03-23 09:05:59.422912 | 404 | 398ms |
Response Changes
| When | Old | New |
|---|---|---|
| 2026-03-23 09:14:31.515019 | 2b20a9f79bdf |
a5a90acdf7d6 |
| 2026-03-23 10:43:19.236392 | a5a90acdf7d6 |
342b4d265d4a |