SMTL ID : 2qtv.1

Structure of Sec23-Sar1 complexed with the active fragment of Sec31

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

hetero-1-1-1-mer

Ligands

1 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain A: C.60, C.65, C.84, C.87 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:C.60, A:C.65, A:C.84, A:C.87

1 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 3 residues within 4Å: Chain B: T.15, T.32 Ligands: GNP.3 4 PLIP interactions: 2 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:T.15, B:T.32, H2O.8, H2O.8

1 x GNP: PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER(Non-covalent)

GNP.3: 23 residues within 4Å: Chain A: R.726 Chain B: L.9, D.10, N.11, A.12, G.13, K.14, T.15, T.16, T.28, L.29, P.31, T.32, G.53, G.54, N.110, K.111, D.113, A.114, S.150, V.151, V.152 Ligands: MG.2 25 PLIP interactions: 22 interactions with chain B, 3 interactions with chain A Hydrogen bonds: B:N.11, B:A.12, B:G.13, B:K.14, B:K.14, B:T.15, B:T.15, B:T.16, B:T.28, B:T.28, B:T.32, B:T.32, B:L.52, B:G.54, B:N.110, B:K.111, B:V.151, B:V.152, A:R.726, A:R.726 Water bridges: B:T.16, B:Q.30, B:T.32 Salt bridges: B:D.113, A:R.726

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Bi, X. et al., Insights into COPII coat nucleation from the structure of Sec23.Sar1 complexed with the active fragment of Sec31. Dev.Cell (2007)

Release Date

2008-01-15

Peptides

Protein transport protein SEC23: A
Small COPII coat GTPase SAR1: B
Protein transport protein SEC31: C

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
D

Protein transport protein SEC23

Small COPII coat GTPase SAR1

Protein transport protein SEC31

Related Entries With Identical Sequence