SMTL ID : 1xt3.1

Structure Basis of Venom Citrate-Dependent Heparin Sulfate-Mediated Cell Surface Retention of Cobra Cardiotoxin A3

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

homo-dimer

Ligands

1 x SGN- IDS- SGN- IDS- SGN- IDS: 2-O-sulfo-alpha-L-idopyranuronic acid-(1-4)-2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-2-O-sulfo-alpha-L-idopyranuronic acid-(1-4)-2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-2-O-sulfo-alpha-L-idopyranuronic acid-(1-4)-2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranose

SGN-IDS-SGN-IDS-SGN-IDS.1: 13 residues within 4Å: Chain A: L.6, K.12, K.18, Y.22, V.34, K.35, R.36, G.37, C.38 Chain B: K.44, S.45, S.46, L.47 3 PLIP interactions: 1 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:L.6, A:Y.22, A:R.36, A:R.36, A:R.36, A:C.38, B:S.46, B:S.45, B:L.47 Salt bridges: A:K.12, A:K.18

1 x CIT: CITRIC ACID(Non-functional Binders)

CIT.2: 3 residues within 4Å: Chain A: K.23, K.31, C.59 2 PLIP interactions: 2 interactions with chain A Salt bridges: A:K.23, A:K.31

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lee, S.-C. et al., Structural basis of citrate-dependent and heparan sulfate-mediated cell surface retention of cobra cardiotoxin A3. J.Biol.Chem. (2005)

Release Date

2004-12-14

Peptides

Cytotoxin 3: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Cytotoxin 3

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