SMTL ID : 8bav.1 (1 other biounit)

Secretagogin (human) in complex with its target peptide from SNAP-25

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

hetero-1-1-mer

Ligands

1 x ACT: ACETATE ION(Non-functional Binders)

ACT.1: 1 residues within 4Å: Chain A: Y.41 No protein-ligand interaction detected (PLIP)

4 x CA: CALCIUM ION(Non-covalent)

CA.2: 5 residues within 4Å: Chain B: D.118, D.120, S.122, F.124, E.129 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.118, B:D.120, B:S.122, B:E.129, H2O.7 CA.3: 4 residues within 4Å: Chain B: D.162, N.164, D.166, R.168 4 PLIP interactions: 3 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.162, B:D.166, B:R.168, H2O.6 CA.4: 6 residues within 4Å: Chain B: D.210, S.212, T.214, A.216, E.218, E.221 5 PLIP interactions: 5 interactions with chain B Metal complexes: B:D.210, B:S.212, B:T.214, B:A.216, B:E.221 CA.5: 6 residues within 4Å: Chain B: D.254, N.256, D.258, K.260, Q.262, E.265 5 PLIP interactions: 5 interactions with chain B Metal complexes: B:D.254, B:D.258, B:K.260, B:E.265, B:E.265

1 x 144: TRIS-HYDROXYMETHYL-METHYL-AMMONIUM(Non-covalent)

144.6: 4 residues within 4Å: Chain A: N.236 Chain B: L.268, C.269, G.271 3 PLIP interactions: 1 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:N.236, B:C.269, B:G.271

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Szodorai, E. et al., A hydrophobic groove in secretagogin allows for alternate interactions with SNAP-25 and syntaxin-4 in endocrine tissues. Proc.Natl.Acad.Sci.USA (2024)

Release Date

2024-04-03

Peptides

Green fluorescent protein,Synaptosomal-associated protein 25: A
Secretagogin: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
D

Green fluorescent protein,Synaptosomal-associated protein 25

Secretagogin

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