SMTL ID : 3e3i.1 (2 other biounits)

H. influenzae beta-carbonic anhydrase, variant G41A with 100 mM bicarbonate

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

homo-tetramer

Ligands

4 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain A: C.42, D.44, H.98, C.101 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:C.42, A:D.44, A:H.98, A:C.101 ZN.3: 4 residues within 4Å: Chain B: C.42, D.44, H.98, C.101 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:C.42, B:D.44, B:H.98, B:C.101 ZN.7: 4 residues within 4Å: Chain C: C.42, D.44, H.98, C.101 4 PLIP interactions: 4 interactions with chain C Metal complexes: C:C.42, C:D.44, C:H.98, C:C.101 ZN.10: 4 residues within 4Å: Chain D: C.42, D.44, H.98, C.101 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:C.42, D:D.44, D:H.98, D:C.101

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

SO4.2: 6 residues within 4Å: Chain A: S.45, R.46, V.47, H.98, Y.181, V.183 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.46, A:V.47 Salt bridges: A:H.98 SO4.4: 4 residues within 4Å: Chain A: L.121, R.124 Chain B: R.160, R.198 3 PLIP interactions: 1 interactions with chain A, 2 interactions with chain B Salt bridges: A:R.124, B:R.160, B:R.198 SO4.5: 6 residues within 4Å: Chain A: R.160, K.165, R.198 Chain B: L.121, R.124, F.128 6 PLIP interactions: 5 interactions with chain A, 1 interactions with chain B Water bridges: A:K.165, A:K.165 Salt bridges: A:R.160, A:K.165, A:R.198, B:R.124 SO4.8: 4 residues within 4Å: Chain C: L.121, R.124 Chain D: R.160, R.198 6 PLIP interactions: 5 interactions with chain D, 1 interactions with chain C Water bridges: D:K.165, D:R.198 Salt bridges: D:R.160, D:K.165, D:R.198, C:R.124 SO4.11: 5 residues within 4Å: Chain C: R.160, K.165, R.198 Chain D: L.121, R.124 5 PLIP interactions: 1 interactions with chain D, 4 interactions with chain C Salt bridges: D:R.124, C:R.160, C:K.165, C:R.198 Water bridges: C:K.165

3 x BCT: BICARBONATE ION(Non-functional Binders)

BCT.6: 8 residues within 4Å: Chain B: W.39, A.41, V.47, P.48, A.49, L.52, R.64, Y.181 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:W.39, B:R.64, B:R.64 Water bridges: B:C.42, B:C.42, B:Y.181 BCT.9: 6 residues within 4Å: Chain A: P.48, R.64 Chain C: P.48, A.49, E.50, R.64 6 PLIP interactions: 5 interactions with chain C, 1 interactions with chain A Hydrogen bonds: C:R.64, A:R.64 Water bridges: C:A.49, C:E.50, C:E.50, C:R.64 BCT.12: 8 residues within 4Å: Chain D: W.39, A.41, V.47, P.48, A.49, L.52, R.64, Y.181 6 PLIP interactions: 6 interactions with chain D Hydrogen bonds: D:W.39, D:R.64, D:R.64 Water bridges: D:C.42, D:C.42, D:H.98

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Rowlett, R.S. et al., Evidence for a bicarbonate "escort" site in Haemophilus influenzae beta-carbonic anhydrase . Biochemistry (2010)

Release Date

2009-08-18

Peptides

Carbonic anhydrase 2: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

Carbonic anhydrase 2

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