SMTL ID : 8fvb.1

E coli. CTP synthase in complex with CTP

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.03 Å

Oligo State

homo-tetramer

Ligands

8 x MLA: MALONIC ACID(Non-covalent)

MLA.1: 5 residues within 4Å: Chain A: S.14, S.15, L.16, G.17, K.18 9 PLIP interactions: 9 interactions with chain A Hydrogen bonds: A:L.16, A:G.17, A:K.18 Water bridges: A:S.14, A:G.19, A:G.19, A:K.40 Salt bridges: A:K.18, A:K.18 MLA.2: 4 residues within 4Å: Chain A: K.297, G.354, Y.355, R.356 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:Y.355, A:R.356 Water bridges: A:F.353 Salt bridges: A:K.297, A:K.297, A:R.356 MLA.5: 5 residues within 4Å: Chain B: S.14, S.15, L.16, G.17, K.18 7 PLIP interactions: 7 interactions with chain B Hydrogen bonds: B:L.16, B:G.17, B:K.18 Water bridges: B:G.19, B:K.40, B:D.72 Salt bridges: B:K.18 MLA.6: 5 residues within 4Å: Chain B: K.297, F.353, G.354, Y.355, R.356 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:R.356 Salt bridges: B:K.297, B:K.297, B:R.356 MLA.7: 5 residues within 4Å: Chain C: S.14, S.15, L.16, G.17, K.18 9 PLIP interactions: 9 interactions with chain C Hydrogen bonds: C:L.16, C:G.17, C:K.18 Water bridges: C:S.14, C:G.19, C:G.19, C:K.40 Salt bridges: C:K.18, C:K.18 MLA.8: 4 residues within 4Å: Chain C: K.297, G.354, Y.355, R.356 6 PLIP interactions: 6 interactions with chain C Hydrogen bonds: C:Y.355, C:R.356 Water bridges: C:F.353 Salt bridges: C:K.297, C:K.297, C:R.356 MLA.11: 5 residues within 4Å: Chain D: S.14, S.15, L.16, G.17, K.18 7 PLIP interactions: 7 interactions with chain D Hydrogen bonds: D:L.16, D:G.17, D:K.18 Water bridges: D:G.19, D:K.40, D:D.72 Salt bridges: D:K.18 MLA.12: 5 residues within 4Å: Chain D: K.297, F.353, G.354, Y.355, R.356 4 PLIP interactions: 4 interactions with chain D Hydrogen bonds: D:R.356 Salt bridges: D:K.297, D:K.297, D:R.356

4 x CTP: CYTIDINE-5'-TRIPHOSPHATE(Non-covalent)

CTP.3: 13 residues within 4Å: Chain A: K.187, T.188, K.189, Q.192, K.223 Chain B: S.14, Y.44, D.147, I.148, E.149 Chain D: Q.114, V.115, I.116 30 PLIP interactions: 18 interactions with chain A, 8 interactions with chain B, 4 interactions with chain D Hydrogen bonds: A:T.188, A:T.188, A:K.189, A:K.189, A:Q.192, B:S.14, B:I.148, B:E.149, D:Q.114, D:V.115, D:I.116 Water bridges: A:S.183, A:E.185, A:K.187, A:K.187, A:K.187, A:E.220, A:K.223, B:D.147, B:D.147, B:D.147, B:E.149, B:E.149 Salt bridges: A:K.187, A:K.187, A:K.189, A:K.189, A:K.223, A:K.223 Hydrophobic interactions: D:I.116 CTP.4: 13 residues within 4Å: Chain A: S.14, Y.44, D.147, I.148, E.149 Chain B: K.187, T.188, K.189, Q.192, K.223 Chain C: Q.114, V.115, I.116 25 PLIP interactions: 5 interactions with chain A, 16 interactions with chain B, 4 interactions with chain C Hydrogen bonds: A:S.14, A:I.148, A:E.149, B:T.188, B:K.189, B:K.189, B:Q.192, C:Q.114, C:V.115, C:I.116 Water bridges: A:D.147, A:E.149, B:K.187, B:K.187, B:K.189, B:Q.192, B:K.223, B:K.223 Salt bridges: B:K.187, B:K.187, B:K.189, B:K.189, B:K.223, B:K.223 Hydrophobic interactions: C:I.116 CTP.9: 13 residues within 4Å: Chain B: Q.114, V.115, I.116 Chain C: K.187, T.188, K.189, Q.192, K.223 Chain D: S.14, Y.44, D.147, I.148, E.149 30 PLIP interactions: 18 interactions with chain C, 4 interactions with chain B, 8 interactions with chain D Hydrogen bonds: C:T.188, C:T.188, C:K.189, C:K.189, C:Q.192, B:Q.114, B:V.115, B:I.116, D:S.14, D:I.148, D:E.149 Water bridges: C:S.183, C:E.185, C:K.187, C:K.187, C:K.187, C:E.220, C:K.223, D:D.147, D:D.147, D:D.147, D:E.149, D:E.149 Salt bridges: C:K.187, C:K.187, C:K.189, C:K.189, C:K.223, C:K.223 Hydrophobic interactions: B:I.116 CTP.10: 13 residues within 4Å: Chain A: Q.114, V.115, I.116 Chain C: S.14, Y.44, D.147, I.148, E.149 Chain D: K.187, T.188, K.189, Q.192, K.223 25 PLIP interactions: 4 interactions with chain A, 5 interactions with chain C, 16 interactions with chain D Hydrophobic interactions: A:I.116 Hydrogen bonds: A:Q.114, A:V.115, A:I.116, C:S.14, C:I.148, C:E.149, D:T.188, D:K.189, D:K.189, D:Q.192 Water bridges: C:D.147, C:E.149, D:K.187, D:K.187, D:K.189, D:Q.192, D:K.223, D:K.223 Salt bridges: D:K.187, D:K.187, D:K.189, D:K.189, D:K.223, D:K.223

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

McLeod, M.J. et al., A metal-dependent conformational change provides a structural basis for the inhibition of CTP synthase by gemcitabine-5'-triphosphate. Protein Sci. (2023)

Release Date

2023-05-24

Peptides

CTP synthase: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
AAA

B
BBB

C
AAA

D
BBB

CTP synthase

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