SMTL ID : 8uv8.1

M. tuberculosis CTP synthase tetramer bound to CTP

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-tetramer

Ligands

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

CTP.1: 16 residues within 4Å: Chain A: S.20, S.21, L.22, G.23, K.24, G.25, L.26, T.27, R.223, T.250, P.251, D.252, A.253, I.256, I.259 Chain B: P.194 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:S.21, A:L.22, A:G.23, A:L.26, A:A.253 Salt bridges: A:K.24 CTP.3: 15 residues within 4Å: Chain A: K.199, T.200, K.201, Q.204, K.235, M.239 Chain B: S.20, T.156, D.159, I.160, E.161 Chain C: Q.120, V.121, I.122 Ligands: MG.2 15 PLIP interactions: 10 interactions with chain A, 4 interactions with chain B, 1 interactions with chain C Hydrogen bonds: A:T.200, A:T.200, A:K.201, B:S.20, B:I.160, B:E.161, B:E.161, C:I.122 Salt bridges: A:K.199, A:K.199, A:K.199, A:K.201, A:K.201, A:K.235, A:K.235 CTP.5: 15 residues within 4Å: Chain A: S.20, T.156, D.159, I.160, E.161 Chain B: K.199, T.200, K.201, Q.204, K.235, M.239 Chain D: Q.120, V.121, I.122 Ligands: MG.4 15 PLIP interactions: 4 interactions with chain A, 10 interactions with chain B, 1 interactions with chain D Hydrogen bonds: A:S.20, A:I.160, A:E.161, A:E.161, B:T.200, B:T.200, B:K.201, D:I.122 Salt bridges: B:K.199, B:K.199, B:K.199, B:K.201, B:K.201, B:K.235, B:K.235 CTP.6: 16 residues within 4Å: Chain A: P.194 Chain B: S.20, S.21, L.22, G.23, K.24, G.25, L.26, T.27, R.223, T.250, P.251, D.252, A.253, I.256, I.259 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:S.21, B:L.22, B:G.23, B:L.26, B:A.253 Salt bridges: B:K.24 CTP.7: 16 residues within 4Å: Chain C: S.20, S.21, L.22, G.23, K.24, G.25, L.26, T.27, R.223, T.250, P.251, D.252, A.253, I.256, I.259 Chain D: P.194 6 PLIP interactions: 6 interactions with chain C Hydrogen bonds: C:S.21, C:L.22, C:G.23, C:L.26, C:A.253 Salt bridges: C:K.24 CTP.9: 15 residues within 4Å: Chain A: Q.120, V.121, I.122 Chain C: K.199, T.200, K.201, Q.204, K.235, M.239 Chain D: S.20, T.156, D.159, I.160, E.161 Ligands: MG.8 18 PLIP interactions: 11 interactions with chain C, 6 interactions with chain D, 1 interactions with chain A Hydrogen bonds: C:T.200, C:T.200, C:T.200, C:K.201, D:S.20, D:S.20, D:I.160, D:E.161, D:E.161, D:E.161, A:I.122 Salt bridges: C:K.199, C:K.199, C:K.199, C:K.201, C:K.201, C:K.235, C:K.235 CTP.11: 15 residues within 4Å: Chain B: Q.120, V.121, I.122 Chain C: S.20, T.156, D.159, I.160, E.161 Chain D: K.199, T.200, K.201, Q.204, K.235, M.239 Ligands: MG.10 18 PLIP interactions: 6 interactions with chain C, 1 interactions with chain B, 11 interactions with chain D Hydrogen bonds: C:S.20, C:S.20, C:I.160, C:E.161, C:E.161, C:E.161, B:I.122, D:T.200, D:T.200, D:T.200, D:K.201 Salt bridges: D:K.199, D:K.199, D:K.199, D:K.201, D:K.201, D:K.235, D:K.235 CTP.12: 16 residues within 4Å: Chain C: P.194 Chain D: S.20, S.21, L.22, G.23, K.24, G.25, L.26, T.27, R.223, T.250, P.251, D.252, A.253, I.256, I.259 6 PLIP interactions: 6 interactions with chain D Hydrogen bonds: D:S.21, D:L.22, D:G.23, D:L.26, D:A.253 Salt bridges: D:K.24

4 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 4 residues within 4Å: Chain A: K.199, K.235 Chain B: S.20 Ligands: CTP.3 No protein-ligand interaction detected (PLIP) MG.4: 3 residues within 4Å: Chain B: K.199, K.235 Ligands: CTP.5 No protein-ligand interaction detected (PLIP) MG.8: 3 residues within 4Å: Chain C: K.199, K.235 Ligands: CTP.9 No protein-ligand interaction detected (PLIP) MG.10: 3 residues within 4Å: Chain D: K.199, K.235 Ligands: CTP.11 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lynch, E.M. et al., M. tuberculosis CTP synthase tetramer bound to CTP. To Be Published

Release Date

2025-07-02

Peptides

CTP synthase: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

CTP synthase

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