SMTL ID : 6pk7.1

cryoEM structure of the product-bound human CTP synthase 2 filament

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

homo-tetramer

Ligands

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

ADP.1: 12 residues within 4Å: Chain A: S.12, G.13, I.14, G.15, K.16, G.17, I.18, S.21, D.70, N.73, F.77, D.312 10 PLIP interactions: 10 interactions with chain A Hydrogen bonds: A:I.14, A:G.15, A:K.16, A:G.17, A:G.17, A:I.18, A:S.21, A:D.70, A:D.70 Salt bridges: A:K.16 ADP.3: 12 residues within 4Å: Chain B: S.12, G.13, I.14, G.15, K.16, G.17, I.18, S.21, D.70, N.73, F.77, D.312 10 PLIP interactions: 10 interactions with chain B Hydrogen bonds: B:I.14, B:G.15, B:K.16, B:G.17, B:G.17, B:I.18, B:S.21, B:D.70, B:D.70 Salt bridges: B:K.16 ADP.5: 12 residues within 4Å: Chain C: S.12, G.13, I.14, G.15, K.16, G.17, I.18, S.21, D.70, N.73, F.77, D.312 9 PLIP interactions: 9 interactions with chain C Hydrogen bonds: C:I.14, C:G.15, C:K.16, C:G.17, C:G.17, C:I.18, C:S.21, C:D.70 Salt bridges: C:K.16 ADP.7: 12 residues within 4Å: Chain D: S.12, G.13, I.14, G.15, K.16, G.17, I.18, S.21, D.70, N.73, F.77, D.312 9 PLIP interactions: 9 interactions with chain D Hydrogen bonds: D:I.14, D:G.15, D:K.16, D:G.17, D:G.17, D:I.18, D:S.21, D:D.70 Salt bridges: D:K.16

4 x CTP: CYTIDINE-5'-TRIPHOSPHATE(Covalent)

CTP.2: 14 residues within 4Å: Chain A: S.12, T.150, D.153, I.154, E.155 Chain B: K.193, T.194, K.195, Q.198, K.229, F.233 Chain C: Q.112, V.113, V.114 12 PLIP interactions: 5 interactions with chain B, 4 interactions with chain A, 3 interactions with chain C Hydrogen bonds: B:Q.198, B:Q.198, A:S.12, A:T.150, A:I.154, A:E.155, C:V.113, C:V.114, C:V.114 Salt bridges: B:K.195, B:K.229, B:K.229 CTP.4: 14 residues within 4Å: Chain A: K.193, T.194, K.195, Q.198, K.229, F.233 Chain B: S.12, T.150, D.153, I.154, E.155 Chain D: Q.112, V.113, V.114 12 PLIP interactions: 4 interactions with chain B, 5 interactions with chain A, 3 interactions with chain D Hydrogen bonds: B:S.12, B:T.150, B:I.154, B:E.155, A:Q.198, A:Q.198, D:V.113, D:V.114, D:V.114 Salt bridges: A:K.195, A:K.229, A:K.229 CTP.6: 14 residues within 4Å: Chain A: Q.112, V.113, V.114 Chain C: S.12, T.150, D.153, I.154, E.155 Chain D: K.193, T.194, K.195, Q.198, K.229, F.233 13 PLIP interactions: 4 interactions with chain C, 6 interactions with chain D, 3 interactions with chain A Hydrogen bonds: C:S.12, C:D.153, C:I.154, C:E.155, D:T.194, D:Q.198, D:Q.198, A:V.113, A:V.114, A:V.114 Salt bridges: D:K.195, D:K.229, D:K.229 CTP.8: 14 residues within 4Å: Chain B: Q.112, V.113, V.114 Chain C: K.193, T.194, K.195, Q.198, K.229, F.233 Chain D: S.12, T.150, D.153, I.154, E.155 13 PLIP interactions: 4 interactions with chain D, 3 interactions with chain B, 6 interactions with chain C Hydrogen bonds: D:S.12, D:D.153, D:I.154, D:E.155, B:V.113, B:V.114, B:V.114, C:T.194, C:Q.198, C:Q.198 Salt bridges: C:K.195, C:K.229, C:K.229

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lynch, E.M. et al., Coupled structural transitions enable highly cooperative regulation of human CTPS2 filaments. Nat.Struct.Mol.Biol. (2020)

Release Date

2019-12-25

Peptides

CTP synthase 2: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
D

C
E

D
F

CTP synthase 2

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