SMTL ID : 8q19.2 (1 other biounit)

The Crystal Structure of Human Carbonic Anhydrase IX in Complex with Sulfonamide

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.63 Å

Oligo State

homo-dimer

Ligands

2 x ZN: ZINC ION(Non-covalent)

ZN.1: 5 residues within 4Å: Chain A: H.92, H.94, E.104, H.117 Ligands: IQ2.2 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:H.92, A:H.94, A:H.117 ZN.4: 5 residues within 4Å: Chain B: H.92, H.94, H.117, T.198 Ligands: IQ2.5 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:H.92, B:H.94, B:H.117

2 x IQ2: 2-but-2-ynyl-1,1,3-tris(oxidanylidene)-1,2-benzothiazole-6-sulfonamide(Non-covalent)

IQ2.2: 13 residues within 4Å: Chain A: Q.90, H.92, H.94, E.104, H.117, V.119, L.138, L.197, T.198, T.199, W.208 Ligands: ZN.1, GOL.3 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:L.197, A:L.197, A:L.197 Hydrogen bonds: A:Q.90, A:E.104, A:T.198 IQ2.5: 12 residues within 4Å: Chain B: Q.90, H.92, H.94, H.117, V.119, L.197, T.198, T.199, P.200, W.208 Ligands: ZN.4, GOL.6 6 PLIP interactions: 6 interactions with chain B Hydrophobic interactions: B:V.119, B:L.197, B:T.199 Hydrogen bonds: B:Q.90, B:T.198, B:T.198

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 8 residues within 4Å: Chain A: N.64, H.66, S.67, Q.69, Q.90, H.92, T.199 Ligands: IQ2.2 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:N.64, A:Q.69, A:Q.90 GOL.6: 10 residues within 4Å: Chain B: W.7, Y.9, N.64, H.66, S.67, Q.69, Q.90, H.92, T.199 Ligands: IQ2.5 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:Y.9, B:N.64, B:N.64, B:S.67, B:Q.69, B:Q.90

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Leitans, J. et al., Structural Basis of Saccharin Derivative Inhibition of Carbonic Anhydrase IX. Chemmedchem (2023)

Release Date

2023-11-08

Peptides

Carbonic anhydrase 9: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
D

Carbonic anhydrase 9

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