Source assertion
ChEMBL direct single-protein activity record with source-reported and source-standardized lexical values preserved.
Lossless activity measurement
- Source-reported value
- = 9.0 nM
- Source-standardized value
- = 9.0 nM
- Reported endpoint
- Ki
- Standardized endpoint
- Ki
- Reported upper bound
- not reported by the source
- Reported text value
- not reported by the source
- Standardization flag
- 1
- pChEMBL from source
- 8.05
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
2491984- Target
CHEMBL3969, SINGLE PROTEIN- Assay
CHEMBL1029734, Binding (B)- BAO format
BAO_0000357, single protein format- BAO endpoint
BAO_0000192- 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 full length CA5B by stopped-flow CO2 hydration method
Compound identity
- Molecule
CHEMBL1055, CHLORTHALIDONE- Parent form
CHEMBL1055; is_parent_form=true- Molecule type
- Small molecule
- Chirality source code
- 0
- Standard InChIKey
JIVPVXMEBJLZRO-UHFFFAOYSA-N- Canonical SMILES
NS(=O)(=O)c1cc(C2(O)NC(=O)c3ccccc32)ccc1Cl- Standard InChI
InChI=1S/C14H11ClN2O4S/c15-11-6-5-8(7-12(11)22(16,20)21)14(19)10-4-2-1-3-9(10)13(18)17-14/h1-7,19H,(H,17,18)(H2,16,20,21)
Document
Carbonic anhydrase inhibitors. Comparison of chlorthalidone, indapamide, trichloromethiazide, and furosemide X-ray crystal structures in adducts with isozyme II, when several water molecules make the difference.
Temperini C, Cecchi A, Scozzafava A, Supuran CT.
- ChEMBL document
CHEMBL1143325- Journal / year
- Bioorg Med Chem, 2009
- PubMed
- 19119014
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.
| Retrieved | Snapshot | SHA-256 | Upstream request |
|---|---|---|---|
| 2026-07-14T09:21:31Z | raw/uniprot/entries/Q9Y2D0.json | 430b3d69868adbaae7308eb09024622b7511635833c3885bcfe5e6a2ec9fa841 | Open exact source |
| 2026-07-14T09:22:20Z | raw/chembl/targets/CHEMBL3969.json | 44a660b75862cc9f5802d8227eef69ccef57054f12c07fca857d78efcef44b3d | Open exact source |
| 2026-07-14T09:22:34Z | raw/chembl/direct-assays/CHEMBL3969.json | 9e61fe50f58da5d7efd5e2730000f7e541b436a9447f38e51565aa8d97670681 | Open exact source |
| 2026-07-14T09:22:57Z | raw/chembl/assay-activities/CHEMBL1029734.json | 440053fb0abf7df02c5dab1bc10358cc11292074cd6fbbfa06c470fd5fcbac74 | Open exact source |
| 2026-07-14T09:23:24Z | raw/chembl/activities/2491984.json | c030191b06f21e07909629e2b27368aac2e59c10013a938d66e40040d268e213 | Open exact source |
| 2026-07-14T09:23:24Z | raw/chembl/assays/CHEMBL1029734.json | 8dca64f9b766c184fc6732808ef139b498c4ec45067dce43cc05cf4b5d2ef9e8 | Open exact source |
| 2026-07-14T09:23:20Z | raw/chembl/molecules/CHEMBL1055.json | bcb4e644c6e9bf753eecc777d7b17904cc4ab7dba2462b20225e863d19a96e02 | Open exact source |
| 2026-07-14T09:23:20Z | raw/chembl/documents/CHEMBL1143325.json | 990abd6d9ff57eb2de561cab375f1e27990c7e2f3d4ca6fb92a84c27ff14d918 | Open exact source |