SMTL ID : 9bhw.1

Septin Tetrameric Complex SEPT7/SEPT9 of Ciona intestinalis by Cryo-EM

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-2-2-mer

Ligands

4 x GDP: GUANOSINE-5'-DIPHOSPHATE(Non-covalent)

GDP.1: 17 residues within 4Å: Chain A: G.48, L.49, G.50, K.51, S.52, T.53, K.183, D.185, V.237, G.238, R.253, Y.255 Chain B: S.146, H.148, S.176, E.181, R.184 16 PLIP interactions: 12 interactions with chain A, 4 interactions with chain B Hydrogen bonds: A:G.48, A:L.49, A:G.50, A:K.51, A:S.52, A:T.53, A:T.53, A:G.238, A:Y.255, B:S.176, B:R.184 Salt bridges: A:K.51, A:D.185, B:H.148, B:H.148 pi-Cation interactions: A:R.253 GDP.2: 19 residues within 4Å: Chain A: T.156, H.158, T.186, E.191, R.194 Chain B: S.36, G.38, L.39, G.40, K.41, S.42, T.43, R.56, P.58, K.173, D.175, V.230, G.231, R.246 21 PLIP interactions: 16 interactions with chain B, 5 interactions with chain A Hydrogen bonds: B:S.36, B:G.38, B:L.39, B:G.40, B:K.41, B:S.42, B:T.43, B:T.43, B:K.173, B:G.231, B:R.246, A:T.186, A:R.194 Salt bridges: B:K.41, B:R.56, B:R.56, B:D.175, A:H.158, A:H.158, A:E.191 pi-Cation interactions: B:R.246 GDP.3: 16 residues within 4Å: Chain C: G.38, L.39, G.40, K.41, S.42, T.43, R.56, P.58, K.173, D.175, V.230, G.231, R.246 Chain D: H.158, T.186, E.191 18 PLIP interactions: 4 interactions with chain D, 14 interactions with chain C Hydrogen bonds: D:T.186, D:R.194, C:S.36, C:G.38, C:L.39, C:G.40, C:K.41, C:S.42, C:T.43, C:T.43, C:G.231, C:R.246 Salt bridges: D:H.158, D:H.158, C:K.41, C:R.56, C:R.56, C:D.175 GDP.4: 18 residues within 4Å: Chain C: S.146, H.148, S.176, E.181, R.184 Chain D: E.46, G.48, L.49, G.50, K.51, S.52, T.53, K.183, D.185, V.237, G.238, R.253, Y.255 18 PLIP interactions: 4 interactions with chain C, 14 interactions with chain D Hydrogen bonds: C:S.176, C:R.184, D:E.46, D:G.48, D:L.49, D:G.50, D:K.51, D:S.52, D:S.52, D:T.53, D:K.183, D:G.238, D:R.253 Salt bridges: C:H.148, C:H.148, D:K.51, D:D.185 pi-Cation interactions: D:R.253

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Mendonca, D.C. et al., Structural Insights into Ciona intestinalis Septins: Complexes Suggest a Mechanism for Nucleotide-dependent Interfacial Cross-talk. J.Mol.Biol. (2024)

Release Date

2024-07-10

Peptides

CiSeptin-7: AD
Neuronal-specific septin-3: BC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

D
D

B
B

C
C

CiSeptin-7

Neuronal-specific septin-3

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