SMTL ID : 2ad5.1 (2 other biounits)

Mechanisms of feedback regulation and drug resistance of CTP synthetases: structure of the E. coli CTPS/CTP complex at 2.8-Angstrom resolution.

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.80 Å

Oligo State

homo-tetramer

Ligands

4 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 5 residues within 4Å: Chain A: G.19, K.40, D.72, E.140 Ligands: ADP.2 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:D.72, A:E.140 MG.4: 5 residues within 4Å: Chain B: G.19, K.40, D.72, E.140 Ligands: ADP.5 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:D.72, B:E.140 MG.7: 5 residues within 4Å: Chain C: G.19, K.40, D.72, E.140 Ligands: ADP.8 2 PLIP interactions: 2 interactions with chain C Metal complexes: C:D.72, C:E.140 MG.10: 5 residues within 4Å: Chain D: G.19, K.40, D.72, E.140 Ligands: ADP.11 2 PLIP interactions: 2 interactions with chain D Metal complexes: D:D.72, D:E.140

4 x ADP: ADENOSINE-5'-DIPHOSPHATE(Non-covalent)

ADP.2: 17 residues within 4Å: Chain A: S.15, L.16, G.17, K.18, G.19, I.20, D.72, E.140, R.211, L.238, K.239, D.240, V.241, I.247, K.306 Chain B: A.182 Ligands: MG.1 17 PLIP interactions: 17 interactions with chain A Hydrogen bonds: A:S.15, A:L.16, A:G.17, A:K.18, A:G.19, A:I.20, A:D.72, A:R.211, A:K.239, A:D.240, A:V.241, A:K.306, A:K.306 Water bridges: A:K.18, A:K.18, A:K.40 Salt bridges: A:K.18 ADP.5: 17 residues within 4Å: Chain A: A.182 Chain B: S.15, L.16, G.17, K.18, G.19, I.20, D.72, H.75, E.140, R.211, L.238, K.239, D.240, V.241, I.247 Ligands: MG.4 13 PLIP interactions: 13 interactions with chain B Hydrogen bonds: B:S.15, B:L.16, B:G.17, B:K.18, B:G.19, B:I.20, B:D.72, B:R.211, B:K.239, B:V.241 Water bridges: B:K.18, B:K.18 Salt bridges: B:K.18 ADP.8: 17 residues within 4Å: Chain C: S.15, L.16, G.17, K.18, G.19, I.20, D.72, E.140, R.211, L.238, K.239, D.240, V.241, I.247, K.306 Chain D: A.182 Ligands: MG.7 17 PLIP interactions: 17 interactions with chain C Hydrogen bonds: C:S.15, C:L.16, C:G.17, C:K.18, C:G.19, C:I.20, C:D.72, C:R.211, C:K.239, C:D.240, C:V.241, C:K.306, C:K.306 Water bridges: C:K.18, C:K.18, C:K.40 Salt bridges: C:K.18 ADP.11: 17 residues within 4Å: Chain C: A.182 Chain D: S.15, L.16, G.17, K.18, G.19, I.20, D.72, H.75, E.140, R.211, L.238, K.239, D.240, V.241, I.247 Ligands: MG.10 13 PLIP interactions: 13 interactions with chain D Hydrogen bonds: D:S.15, D:L.16, D:G.17, D:K.18, D:G.19, D:I.20, D:D.72, D:R.211, D:K.239, D:V.241 Water bridges: D:K.18, D:K.18 Salt bridges: D:K.18

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

CTP.3: 13 residues within 4Å: Chain A: S.14, D.147, I.148, E.149 Chain B: E.185, K.187, T.188, K.189, Q.192, K.223 Chain C: Q.114, V.115, I.116 25 PLIP interactions: 4 interactions with chain C, 13 interactions with chain B, 8 interactions with chain A Hydrophobic interactions: C:I.116 Hydrogen bonds: C:Q.114, C:V.115, C:I.116, B:T.188, B:K.189, B:K.189, B:Q.192, A:S.14, A:D.147, A:I.148, A:E.149, A:E.149 Water bridges: B:K.187, B:K.187, B:K.187, A:S.14, A:T.144, A:E.149 Salt bridges: B:K.187, B:K.187, B:K.189, B:K.189, B:K.223, B:K.223 CTP.6: 13 residues within 4Å: Chain A: V.186, K.187, T.188, K.189, Q.192, K.223 Chain B: S.14, D.147, I.148, E.149 Chain D: Q.114, V.115, I.116 20 PLIP interactions: 13 interactions with chain A, 4 interactions with chain B, 3 interactions with chain D Hydrogen bonds: A:T.188, A:T.188, A:K.189, A:Q.192, B:S.14, B:D.147, B:I.148, B:E.149, D:V.115, D:I.116 Water bridges: A:E.185, A:K.187, A:K.187, A:K.223 Salt bridges: A:K.187, A:K.189, A:K.189, A:K.223, A:K.223 Hydrophobic interactions: D:I.116 CTP.9: 13 residues within 4Å: Chain A: Q.114, V.115, I.116 Chain C: S.14, D.147, I.148, E.149 Chain D: E.185, K.187, T.188, K.189, Q.192, K.223 25 PLIP interactions: 8 interactions with chain C, 4 interactions with chain A, 13 interactions with chain D Hydrogen bonds: C:S.14, C:D.147, C:I.148, C:E.149, C:E.149, A:Q.114, A:V.115, A:I.116, D:T.188, D:K.189, D:K.189, D:Q.192 Water bridges: C:S.14, C:T.144, C:E.149, D:K.187, D:K.187, D:K.187 Hydrophobic interactions: A:I.116 Salt bridges: D:K.187, D:K.187, D:K.189, D:K.189, D:K.223, D:K.223 CTP.12: 13 residues within 4Å: Chain B: Q.114, V.115, I.116 Chain C: V.186, K.187, T.188, K.189, Q.192, K.223 Chain D: S.14, D.147, I.148, E.149 20 PLIP interactions: 13 interactions with chain C, 4 interactions with chain D, 3 interactions with chain B Hydrogen bonds: C:T.188, C:T.188, C:K.189, C:Q.192, D:S.14, D:D.147, D:I.148, D:E.149, B:V.115, B:I.116 Water bridges: C:E.185, C:K.187, C:K.187, C:K.223 Salt bridges: C:K.187, C:K.189, C:K.189, C:K.223, C:K.223 Hydrophobic interactions: B:I.116

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Endrizzi, J.A. et al., Mechanisms of Product Feedback Regulation and Drug Resistance in Cytidine Triphosphate Synthetases from the Structure of a CTP-Inhibited Complex(,). Biochemistry (2005)

Release Date

2005-11-01

Peptides

CTP synthase: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
A

D
B

CTP synthase

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