Source assertion

PDBe/SIFTS maps PDB 5FL4 to UniProt Q16790 with chain-level identity and coverage retained.

Evidence ID: STRUCTURE:PDB:5FL4:UNIPROT:Q16790
Subject dossier: ca9
Source chain: uniprot + pdbe
Upstream record: 5FL4
Corpus snapshot: 2026-07-14T09:23:31Z
Admission status: In this release

Experimental structure

Three dimensional structure of human carbonic anhydrase IX in complex with 5-(1-naphthalen-1-yl-1,2,3-triazol-4-yl)thiophene-2-sulfonamide

PDB ID: 5FL4
Experimental method: X-ray diffraction
Resolution: %!f(*float64=0x24b06afff340) Å
SIFTS identifier: CAH9_HUMAN
Deposited: 20151021
Released / revised: 20151111 / 20241113

Chain-level mapping

Entity	Chain	Structural asym	Identity	Coverage	UniProt range
1	`A`	`A`	100.0%	60.4%	137–391
1	`B`	`B`	100.0%	60.4%	137–391
1	`C`	`C`	100.0%	60.4%	137–391
1	`D`	`D`	100.0%	60.4%	137–391

Experimental constructs

Entity	Chains / asym IDs	Molecule	Length	Mutation flag	Preparation
1	A, B, C, D / A, B, C, D	Carbonic anhydrase 9polypeptide(L)	257 residues	YES	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/Q16790.json`	`77abc0523fc4c2b797ea15d860a4bb98365bcf0caec1ee88ba765973570f1f22`	Open exact source
2026-07-14T09:22:02Z	`raw/pdbe/mappings/5fl4.json`	`2b163cdc43b2ae9cfc48558f6463dffcd20a5419baa5d6e9c0653fbba310965b`	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