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DraconiticBiochemistryBiomolecules · Catabolism · Biosynthesis · Metabolism
Data

CA5B · ChEMBL activity 2456866

Kinact source measurement: = 9.04 uM. No cross-assay comparison is prequalified.

Assay activity2456866In this release

Source assertion

ChEMBL direct single-protein activity record with source-reported and source-standardized lexical values preserved.
Evidence ID
ACTIVITY:ChEMBL_37:2456866
Subject dossier
ca5b
Source chain
uniprot + chembl
Upstream record
2456866
Corpus snapshot
2026-07-14T09:23:31Z
Admission status
In this release

Lossless activity measurement

Source-reported value
= 9.04 uM
Source-standardized value
= 9.04 uM
Reported endpoint
Kinact
Standardized endpoint
Kinact
Reported upper bound
not reported by the source
Reported text value
not reported by the source
Standardization flag
0
pChEMBL from source
not reported by the source

Reported and source-standardized fields are displayed separately and retain their exact lexical values. The standardized field does not overwrite the upstream report.

Not comparable with other recordsCONDITION_MISSING

No cross-assay comparison is authorized by this record. Evaluate target, construct, endpoint, relation, units, assay format, conditions, and exact molecular form first.

Assay and target

ChEMBL activity
2456866
Target
CHEMBL3969, SINGLE PROTEIN
Assay
CHEMBL1010312, Binding (B)
BAO format
BAO_0000357, single protein format
BAO endpoint
BAO_0000179
Target confidence
9, Direct single protein target assigned
Source quality flags
potential_duplicate=0; data_validity_comment=not reported by the source
Upstream assay description

Inhibition of human recombinant carbonic anhydrase 5B by stopped flow CO2 hydration method

Compound identity

Molecule
CHEMBL442687, TIOXOLONE
Parent form
CHEMBL442687; is_parent_form=true
Molecule type
Small molecule
Chirality source code
2
Standard InChIKey
SLYPOVJCSQHITR-UHFFFAOYSA-N
Canonical SMILES
O=c1oc2cc(O)ccc2s1
Standard InChI
InChI=1S/C7H4O3S/c8-4-1-2-6-5(3-4)10-7(9)11-6/h1-3,8H

Document

Carbonic anhydrase inhibitors: thioxolone versus sulfonamides for obtaining isozyme-selective inhibitors?

Innocenti A, Maresca A, Scozzafava A, Supuran CT.

ChEMBL document
CHEMBL1155067
Journal / year
Bioorg Med Chem Lett, 2008
PubMed
18572406

Comparison state

Prequalified
No — pairwise evaluation is still required
Protein identity
Q9Y2D0, taxon 9606
Variant / construct
not reported by the source / not reported by the source
Conditions
pH not reported by the source; temperature not reported by the source °C; substrate not reported by the source; buffer not reported by the source

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.

RetrievedSnapshotSHA-256Upstream request
2026-07-14T09:21:31Zraw/uniprot/entries/Q9Y2D0.json430b3d69868adbaae7308eb09024622b7511635833c3885bcfe5e6a2ec9fa841Open exact source
2026-07-14T09:22:20Zraw/chembl/targets/CHEMBL3969.json44a660b75862cc9f5802d8227eef69ccef57054f12c07fca857d78efcef44b3dOpen exact source
2026-07-14T09:22:34Zraw/chembl/direct-assays/CHEMBL3969.json9e61fe50f58da5d7efd5e2730000f7e541b436a9447f38e51565aa8d97670681Open exact source
2026-07-14T09:22:58Zraw/chembl/assay-activities/CHEMBL1010312.json9cb67575eaa044065a814edd078ff4b21fe638979d4e764a3669d08b4cd1a944Open exact source
2026-07-14T09:23:24Zraw/chembl/activities/2456866.json69a631bb4287f6433797efd962e976a2ac4fcef881cc09a1bd36e6710fba44cbOpen exact source
2026-07-14T09:23:24Zraw/chembl/assays/CHEMBL1010312.jsonc845039671739e8904484e8833b7f144ebf4fc100c4517a97eb8d1254ae705fcOpen exact source
2026-07-14T09:23:19Zraw/chembl/molecules/CHEMBL442687.jsonf152b44651db17cb570a3d901bba045a331eebd01e4fac702cecfbf64650aa99Open exact source
2026-07-14T09:23:19Zraw/chembl/documents/CHEMBL1155067.jsona852cdb1b30571a0f6ed5def67b2c61a1b73e56c6483dd07330b61bc3a77e725Open exact source