SMTL ID : 2bz0.1

Crystal Structure of E. coli GTP cyclohydrolase II in complex with GTP analogue, GMPcPP, and Zinc

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.60 Å

Oligo State

homo-dimer

Ligands

2 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain A: C.54, C.65, C.67 Ligands: G2P.3 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:C.54, A:C.65, A:C.67 ZN.4: 4 residues within 4Å: Chain B: C.54, C.65, C.67 Ligands: G2P.5 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:C.54, B:C.65, B:C.67

1 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 4 residues within 4Å: Chain A: H.51, S.52, Q.70 Ligands: G2P.3 No protein-ligand interaction detected (PLIP)

2 x G2P: PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER(Non-covalent)

G2P.3: 18 residues within 4Å: Chain A: R.49, S.52, E.53, C.54, Q.70, Q.91, E.92, G.93, R.94, K.101, Q.108, T.114, R.128, T.149, N.151, K.154 Ligands: ZN.1, MG.2 24 PLIP interactions: 24 interactions with chain A Hydrogen bonds: A:R.49, A:S.52, A:E.53, A:Q.70, A:G.93, A:R.94, A:R.94, A:K.101, A:Q.108, A:T.114, A:R.128, A:R.128, A:T.149, A:N.151, A:K.154 Water bridges: A:T.114, A:A.125, A:N.150, A:N.150, A:K.154 Salt bridges: A:R.49, A:K.154 pi-Cation interactions: A:R.94, A:R.94 G2P.5: 20 residues within 4Å: Chain B: R.49, S.52, E.53, C.54, Q.70, Q.91, E.92, G.93, R.94, I.96, K.101, Y.105, Q.108, T.114, N.118, R.128, T.149, N.151, K.154 Ligands: ZN.4 25 PLIP interactions: 25 interactions with chain B Hydrogen bonds: B:S.52, B:E.53, B:Q.70, B:E.92, B:G.93, B:G.93, B:R.94, B:R.94, B:K.101, B:Q.108, B:N.118, B:R.128, B:R.128, B:T.149, B:T.149, B:N.151, B:K.154 Water bridges: B:R.49, B:S.52, B:R.94, B:N.150 Salt bridges: B:R.49, B:K.154 pi-Cation interactions: B:R.94, B:R.94

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ren, J. et al., GTP Cyclohydrolase II Structure and Mechanism. J.Biol.Chem. (2005)

Release Date

2005-08-19

Peptides

GTP CYCLOHYDROLASE II: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

GTP CYCLOHYDROLASE II

Related Entries With Identical Sequence