SMTL ID : 2esf.1

Identification of a Novel Non-Catalytic Bicarbonate Binding Site in Eubacterial beta-Carbonic Anhydrase

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.25 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.5: 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.7: 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

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

BCT.2: 9 residues within 4Å: Chain A: W.39, G.41, S.45, V.47, P.48, A.49, L.52, R.64, Y.181 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:W.39, A:R.64, A:R.64 Water bridges: A:C.42, A:Y.181 BCT.4: 8 residues within 4Å: Chain B: W.39, G.41, V.47, P.48, A.49, L.52, R.64, Y.181 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:W.39, B:C.42, B:R.64, B:R.64 Water bridges: B:Y.181 BCT.6: 9 residues within 4Å: Chain C: W.39, G.41, S.45, V.47, P.48, A.49, L.52, R.64, Y.181 5 PLIP interactions: 5 interactions with chain C Hydrogen bonds: C:W.39, C:R.64, C:R.64 Water bridges: C:C.42, C:Y.181 BCT.8: 8 residues within 4Å: Chain D: W.39, G.41, V.47, P.48, A.49, L.52, R.64, Y.181 5 PLIP interactions: 5 interactions with chain D Hydrogen bonds: D:W.39, D:C.42, D:R.64, D:R.64 Water bridges: D:Y.181

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Cronk, J.D. et al., Identification of a Novel Noncatalytic Bicarbonate Binding Site in Eubacterial beta-Carbonic Anhydrase. Biochemistry (2006)

Release Date

2006-04-18

Peptides

Carbonic anhydrase 2: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
A

D
B

Carbonic anhydrase 2

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