SMTL ID : 1n3r.2 (4 other biounits)

Biosynthesis of pteridins. Reaction mechanism of GTP cyclohydrolase I

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.80 Å

Oligo State

homo-pentamer

Ligands

5 x GTP: GUANOSINE-5'-TRIPHOSPHATE(Non-covalent)

GTP.1: 19 residues within 4Å: Chain A: T.87, V.131, I.132, G.133, L.134, S.135, K.136, R.139 Chain E: C.110, S.112, H.113, Q.149, V.150, Q.151, E.152, H.179, C.181, V.182, R.185 21 PLIP interactions: 7 interactions with chain E, 14 interactions with chain A Hydrogen bonds: E:S.112, E:Q.151, E:H.179, A:T.87, A:I.132, A:I.132, A:L.134, A:S.135, A:S.135, A:S.135, A:K.136, A:K.136, A:K.136 Salt bridges: E:H.113, E:E.152, E:R.185, E:R.185, A:K.136, A:K.136, A:K.136, A:R.139 GTP.2: 20 residues within 4Å: Chain A: C.110, S.112, H.113, Q.149, V.150, Q.151, E.152, H.179, C.181, V.182, R.185, G.186 Chain B: T.87, V.131, I.132, G.133, L.134, S.135, K.136, R.139 20 PLIP interactions: 12 interactions with chain B, 8 interactions with chain A Hydrogen bonds: B:T.87, B:I.132, B:L.134, B:S.135, B:S.135, B:K.136, B:K.136, B:K.136, A:S.112, A:Q.151 Salt bridges: B:K.136, B:K.136, B:K.136, B:R.139, A:H.113, A:E.152, A:R.185, A:R.185 Water bridges: A:C.181, A:I.187 GTP.3: 19 residues within 4Å: Chain B: C.110, S.112, H.113, Q.149, V.150, Q.151, E.152, H.179, C.181, R.185, G.186 Chain C: T.87, V.131, I.132, G.133, L.134, S.135, K.136, R.139 20 PLIP interactions: 7 interactions with chain B, 13 interactions with chain C Hydrogen bonds: B:S.112, B:Q.151, B:H.179, C:T.87, C:I.132, C:L.134, C:S.135, C:S.135, C:S.135, C:K.136, C:K.136, C:K.136 Salt bridges: B:H.113, B:E.152, B:R.185, B:R.185, C:K.136, C:K.136, C:K.136, C:R.139 GTP.4: 16 residues within 4Å: Chain C: S.112, H.113, V.150, Q.151, E.152, H.179, C.181, R.185, G.186 Chain D: T.87, I.132, G.133, L.134, S.135, K.136, R.139 18 PLIP interactions: 12 interactions with chain D, 6 interactions with chain C Hydrogen bonds: D:T.87, D:I.132, D:I.132, D:L.134, D:S.135, D:S.135, D:S.135, D:K.136, C:S.112, C:Q.151 Salt bridges: D:K.136, D:K.136, D:K.136, D:R.139, C:H.113, C:E.152, C:R.185, C:R.185 GTP.5: 19 residues within 4Å: Chain D: C.110, S.112, H.113, Q.149, V.150, Q.151, E.152, H.179, C.181, V.182, R.185 Chain E: T.87, V.131, I.132, G.133, L.134, S.135, K.136, R.139 20 PLIP interactions: 7 interactions with chain D, 13 interactions with chain E Hydrogen bonds: D:S.112, D:Q.151, D:H.179, E:T.87, E:I.132, E:I.132, E:L.134, E:S.135, E:S.135, E:S.135, E:K.136, E:K.136 Salt bridges: D:H.113, D:E.152, D:R.185, D:R.185, E:K.136, E:K.136, E:K.136, E:R.139

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Rebelo, J. et al., Biosynthesis of Pteridines. Reaction Mechanism of GTP Cyclohydrolase I. J.MOL.BIOL. (2003)

Release Date

2003-10-14

Peptides

GTP cyclohydrolase I: ABCDE

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
F

B
G

C
H

D
I

E
J

GTP cyclohydrolase I

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