SMTL ID : 3egx.1

Crystal structure of the mammalian COPII-coat protein Sec23a/24a complexed with the SNARE protein Sec22b and bound to the transport signal sequence of the SNARE protein Bet1

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.30 Å

Oligo State

hetero-1-1-1-mer

Ligands

1 x ALA- CYS- GLU- GLU- GLU- ASN: 9-residue synthetic peptide from SNARE protein Bet1(Non-covalent)

ALA-CYS-GLU-GLU-GLU-ASN.1: 11 residues within 4Å: Chain B: R.85, C.89, R.90, Y.92, E.150, Y.151, R.405, R.407, L.428, A.461, L.463 14 PLIP interactions: 14 interactions with chain B Hydrophobic interactions: B:R.90, B:Y.92, B:Y.151, B:A.461 Hydrogen bonds: B:R.85, B:R.85, B:C.89, B:Y.92, B:Y.92, B:R.407 Salt bridges: B:R.85, B:R.405, B:R.407, B:R.407

2 x ZN: ZINC ION(Non-covalent)

ZN.2: 4 residues within 4Å: Chain A: C.61, C.66, C.85, C.88 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:C.61, A:C.66, A:C.85, A:C.88 ZN.3: 4 residues within 4Å: Chain B: C.86, C.89, C.107, C.110 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:C.86, B:C.89, B:C.107, B:C.110

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Mancias, J.D. et al., Structural basis of cargo membrane protein discrimination by the human COPII coat machinery. Embo J. (2008)

Release Date

2008-10-21

Peptides

Protein transport protein Sec23A: A
Protein transport protein Sec24A: B
Vesicle-trafficking protein SEC22b: C

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

Protein transport protein Sec23A

Protein transport protein Sec24A

Vesicle-trafficking protein SEC22b

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