SMTL ID : 5ku6.5 (4 other biounits)

Crystal structure for the complex of human carbonic anhydrase IV and methazolamide

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

homo-tetramer

Ligands

4 x MZM: N-(3-methyl-5-sulfamoyl-1,3,4-thiadiazol-2(3H)-ylidene)acetamide(Non-covalent)

MZM.1: 11 residues within 4Å: Chain A: Q.95, H.97, H.99, H.122, V.124, V.147, L.206, T.207, T.208, W.217 Ligands: ZN.2 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:Q.95, A:T.207, A:T.207, A:T.208 MZM.7: 12 residues within 4Å: Chain B: Q.95, H.97, H.99, H.122, V.124, V.147, L.206, T.207, T.208, W.217 Ligands: GOL.6, ZN.8 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:Q.95, B:T.207, B:T.207, B:T.208 MZM.13: 11 residues within 4Å: Chain C: Q.95, H.97, H.99, H.122, V.124, L.206, T.207, T.208, P.209, W.217 Ligands: ZN.14 5 PLIP interactions: 5 interactions with chain C Hydrogen bonds: C:Q.95, C:T.207, C:T.207, C:T.208 Water bridges: C:T.208 MZM.20: 10 residues within 4Å: Chain D: Q.95, H.97, H.99, H.122, V.124, L.206, T.207, T.208, W.217 Ligands: ZN.21 4 PLIP interactions: 4 interactions with chain D Hydrogen bonds: D:Q.95, D:T.207, D:T.207, D:T.208

4 x ZN: ZINC ION(Non-covalent)

ZN.2: 6 residues within 4Å: Chain A: H.97, H.99, E.109, H.122, T.207 Ligands: MZM.1 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:H.97, A:H.99, A:H.122 ZN.8: 5 residues within 4Å: Chain B: H.97, H.99, H.122, T.207 Ligands: MZM.7 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:H.97, B:H.99, B:H.122 ZN.14: 5 residues within 4Å: Chain C: H.97, H.99, H.122, T.207 Ligands: MZM.13 3 PLIP interactions: 3 interactions with chain C Metal complexes: C:H.97, C:H.99, C:H.122 ZN.21: 5 residues within 4Å: Chain D: H.97, H.99, H.122, T.207 Ligands: MZM.20 3 PLIP interactions: 3 interactions with chain D Metal complexes: D:H.97, D:H.99, D:H.122

8 x SO4: SULFATE ION(Non-functional Binders)

SO4.3: 3 residues within 4Å: Chain A: L.203, R.261, T.262 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:T.262 Water bridges: A:L.203 SO4.4: 4 residues within 4Å: Chain A: G.56, Y.57, D.58, K.59 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:G.56, A:D.58, A:K.59 Water bridges: A:F.54, A:Y.57 SO4.9: 4 residues within 4Å: Chain B: R.32, L.203, R.261, T.262 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:T.262 Water bridges: B:L.203, B:Q.260 Salt bridges: B:R.32 SO4.10: 4 residues within 4Å: Chain B: G.56, Y.57, D.58, K.59 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:G.56, B:G.56, B:D.58, B:K.59 Water bridges: B:Y.57, B:Y.57 SO4.15: 4 residues within 4Å: Chain C: R.32, L.203, R.261, T.262 4 PLIP interactions: 4 interactions with chain C Hydrogen bonds: C:T.262 Water bridges: C:R.32, C:L.203 Salt bridges: C:R.32 SO4.16: 4 residues within 4Å: Chain C: G.56, Y.57, D.58, K.59 5 PLIP interactions: 5 interactions with chain C Hydrogen bonds: C:G.56, C:D.58, C:K.59 Water bridges: C:Y.57, C:Y.57 SO4.22: 4 residues within 4Å: Chain D: R.32, L.203, R.261, T.262 5 PLIP interactions: 5 interactions with chain D Hydrogen bonds: D:T.262, D:T.262 Water bridges: D:E.142, D:L.203 Salt bridges: D:R.32 SO4.23: 5 residues within 4Å: Chain D: S.55, G.56, Y.57, D.58, K.59 5 PLIP interactions: 5 interactions with chain D Hydrogen bonds: D:G.56, D:D.58, D:K.59 Water bridges: D:F.54, D:Y.57

5 x GOL: GLYCEROL(Non-functional Binders)

GOL.5: 6 residues within 4Å: Chain A: F.53, S.55, S.81, I.82, S.83, P.90 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:F.53, A:S.81 GOL.6: 7 residues within 4Å: Chain B: N.68, H.70, S.71, M.73, Q.95, H.97 Ligands: MZM.7 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:N.68 GOL.12: 7 residues within 4Å: Chain B: F.53, S.55, S.81, I.82, S.83, P.90, E.128 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:F.53, B:S.55, B:S.55, B:S.81, B:E.128 GOL.18: 4 residues within 4Å: Chain C: K.106, D.250, V.252, P.254 4 PLIP interactions: 4 interactions with chain C Hydrogen bonds: C:K.106, C:K.106, C:D.250 Water bridges: C:L.255 GOL.19: 7 residues within 4Å: Chain C: S.55, G.56, N.78, K.79, A.80, S.81, Q.92 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:S.55, C:N.78

3 x ACT: ACETATE ION(Non-functional Binders)

ACT.11: 1 residues within 4Å: Chain B: K.23 1 PLIP interactions: 1 interactions with chain B Salt bridges: B:K.23 ACT.17: 2 residues within 4Å: Chain C: N.78, Q.92 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:N.78 ACT.24: 9 residues within 4Å: Chain D: S.101, D.102, L.103, P.104, A.118, A.154, R.228, I.231, L.232 4 PLIP interactions: 4 interactions with chain D Hydrophobic interactions: D:R.228, D:L.232 Water bridges: D:L.103, D:L.103

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Mickeviciute, A. et al., Intrinsic thermodynamics of high affinity inhibitor binding to recombinant human carbonic anhydrase IV. Eur. Biophys. J. (2018)

Release Date

2017-07-26

Peptides

Carbonic anhydrase 4: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

Carbonic anhydrase 4

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