Source assertion

PDBe/SIFTS maps PDB 4LU3 to UniProt Q9ULX7 with chain-level identity and coverage retained.

Evidence ID: STRUCTURE:PDB:4LU3:UNIPROT:Q9ULX7
Subject dossier: ca14
Source chain: uniprot + pdbe
Upstream record: 4LU3
Corpus snapshot: 2026-07-14T09:23:31Z
Admission status: In this release

Experimental structure

The crystal structure of the human carbonic anhydrase XIV

PDB ID: 4LU3
Experimental method: X-ray diffraction
Resolution: %!f(*float64=0x24b06affee60) Å
SIFTS identifier: CAH14_HUMAN
Deposited: 20130724
Released / revised: 20140101 / 20241120

Chain-level mapping

Entity	Chain	Structural asym	Identity	Coverage	UniProt range
1	`A`	`A`	99.0%	85.4%	16–290

Experimental constructs

Entity	Chains / asym IDs	Molecule	Length	Mutation flag	Preparation
1	A / A	Carbonic anhydrase 14polypeptide(L)	279 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/Q9ULX7.json`	`17fcd728b929f41ca01b398e329f97c280d0f5febc44c136da8047b295cc754e`	Open exact source
2026-07-14T09:22:12Z	`raw/pdbe/mappings/4lu3.json`	`18e834f757639885b3f9028d62371812459dd3b080f2ffac7452efa0c4246770`	Open exact source
2026-07-14T09:22:16Z	`raw/pdbe/summary/chunk-03.json`	`d318ed911ff2a8e3f25986a39c37baa2a3bb13c1d2a75d036924ca34ffa2b9cb`	Open exact source
2026-07-14T09:22:16Z	`raw/pdbe/experiment/chunk-03.json`	`8bbfae15de944b1cacdf21ee7a42caf9f09149a49b6fdf48f69df854b06973c9`	Open exact source
2026-07-14T09:22:17Z	`raw/pdbe/molecules/chunk-03.json`	`e94951408bdc68a6d0767211c754ae03dc74c4cf253ad3a7626c02d4aaba5eeb`	Open exact source