SMTL ID : 1m2o.2 (2 other biounits)

Crystal Structure of the Sec23-Sar1 complex

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

hetero-1-1-mer

Ligands

1 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain A: C.56, C.61, C.80, C.83 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:C.56, A:C.61, A:C.80, A:C.83

1 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 4 residues within 4Å: Chain B: T.37, Q.52, T.54 Ligands: GNP.3 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:T.37, B:T.54

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

GNP.3: 22 residues within 4Å: Chain A: R.722, L.746 Chain B: L.31, D.32, N.33, A.34, G.35, K.36, T.37, T.38, T.50, P.53, T.54, G.75, G.76, N.132, K.133, D.135, S.172, V.173, V.174 Ligands: MG.2 22 PLIP interactions: 19 interactions with chain B, 3 interactions with chain A Hydrogen bonds: B:N.33, B:A.34, B:G.35, B:K.36, B:K.36, B:K.36, B:T.37, B:T.38, B:T.38, B:T.50, B:T.50, B:T.54, B:G.76, B:N.132, B:K.133, B:K.133, B:V.173, B:V.174, A:R.722, A:R.722 Salt bridges: B:D.135, A:R.722

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Bi, X. et al., Structure of the Sec23/24-Sar1 pre-budding complex of the COPII vesicle coat. Nature (2002)

Release Date

2002-09-20

Peptides

protein transport protein SEC23: A
GTP-binding protein SAR1: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

protein transport protein SEC23

GTP-binding protein SAR1

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