SMTL ID : 6efd.1

Hsa Siglec and Unique domains in complex with the sialyl T antigen trisaccharide

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.85 Å

Oligo State

monomer

Ligands

1 x A2G- GAL- SIA: N-acetyl-alpha-neuraminic acid-(2-3)-beta-D-galactopyranose-(1-3)-2-acetamido-2-deoxy-alpha-D-galactopyranose

A2G-GAL-SIA.1: 13 residues within 4Å: Chain A: N.65, V.66, E.67, S.76, K.116, S.117, Y.118, Y.119, T.120, R.121, Y.122, D.137, R.146 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:E.67, A:Y.119 Hydrogen bonds: A:E.67, A:E.67, A:Y.122, A:R.146, A:N.65, A:S.76, A:S.76, A:Y.118, A:T.120, A:R.121, A:R.121 Water bridges: A:D.137, A:T.120, A:T.120, A:T.120, A:T.120

2 x NA: SODIUM ION(Non-functional Binders)

NA.2: 4 residues within 4Å: Chain A: E.28, D.53, N.54, D.127 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:E.28, A:D.127 Water bridges: A:N.54 NA.3: 3 residues within 4Å: Chain A: N.155, Y.158, D.217 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:D.217

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Bensing, B.A. et al., Origins of glycan selectivity in streptococcal Siglec-like adhesins suggest mechanisms of receptor adaptation. Nat Commun (2022)

Release Date

2020-02-19

Peptides

Streptococcal hemagglutinin: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Streptococcal hemagglutinin

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