Source assertion

PDBe/SIFTS maps PDB 3D0N to UniProt Q8N1Q1 with chain-level identity and coverage retained.

Evidence ID: STRUCTURE:PDB:3D0N:UNIPROT:Q8N1Q1
Subject dossier: ca13
Source chain: uniprot + pdbe
Upstream record: 3D0N
Corpus snapshot: 2026-07-14T09:23:31Z
Admission status: In this release

Experimental structure

Crystal structure of human carbonic anhydrase XIII

PDB ID: 3D0N
Experimental method: X-ray diffraction
Resolution: %!f(*float64=0x24b06afb1f70) Å
SIFTS identifier: CAH13_HUMAN
Deposited: 20080502
Released / revised: 20080729 / 20230830

Chain-level mapping

Entity	Chain	Structural asym	Identity	Coverage	UniProt range
1	`A`	`A`	100.0%	100.0%	1–262
1	`B`	`B`	100.0%	100.0%	1–262

Experimental constructs

Entity	Chains / asym IDs	Molecule	Length	Mutation flag	Preparation
1	A, B / A, B	Carbonic anhydrase 13polypeptide(L)	264 residues	not reported by the source	Genetically manipulated

Reading this structure

This is an experimentally determined structure, not a predicted model. A co-crystallised ligand, if any, does not by itself show binding affinity. The structure says nothing about kinetics, pathway rate or metabolic flux.

Snapshot provenance

Each row is a source snapshot this record was built from: when it was retrieved, its path and SHA-256 digest, and the exact request. The snapshot files stay with the build and are not served here. These rows document this record; they are not general citations.

Retrieved	Snapshot	SHA-256	Upstream request
2026-07-14T09:21:33Z	`raw/uniprot/entries/Q8N1Q1.json`	`606f7712a41abd05d3b9d0522bbefd377f44b400f37aba7cab2c788361ea41dd`	Open exact source
2026-07-14T09:22:08Z	`raw/pdbe/mappings/3d0n.json`	`24b04342b8f53d531d4a768ba646dddc431ebe54aeeecd23a22af5b3475896df`	Open exact source
2026-07-14T09:22:14Z	`raw/pdbe/summary/chunk-02.json`	`79ac3fb4e9e30c8c858b4d8ed8bbe6f85e8e0d0e3630627a999691f40a3d330d`	Open exact source
2026-07-14T09:22:14Z	`raw/pdbe/experiment/chunk-02.json`	`e42f681713cd9cdce851cc48738b3c6e0f0c075d0006a640c484bcab84561898`	Open exact source
2026-07-14T09:22:15Z	`raw/pdbe/molecules/chunk-02.json`	`27833f4d4cb9a9bfcb110f6e551fe2a5ccef01ccea4dda947132af6c51bd66e6`	Open exact source