SMTL ID : 1t6b.1

Crystal structure of B. anthracis Protective Antigen complexed with human Anthrax toxin receptor

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

hetero-1-1-mer

Ligands

2 x CA: CALCIUM ION(Non-covalent)

CA.1: 6 residues within 4Å: Chain A: D.177, D.179, D.181, I.183, D.185, E.188 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.177, A:D.179, A:D.181, A:I.183, A:E.188 CA.2: 6 residues within 4Å: Chain A: D.179, D.181, E.188, S.222, K.225, D.235 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.179, A:D.181, A:S.222, A:K.225, A:D.235

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

NA.3: 5 residues within 4Å: Chain A: H.263, V.264, S.330, L.450, T.452 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:V.264, A:S.330, A:S.330, A:T.452 NA.4: 7 residues within 4Å: Chain A: Y.233, I.243, D.244, A.460, T.461, Y.462, V.469 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:D.244, A:A.460 Water bridges: A:Y.462

1 x PG4: TETRAETHYLENE GLYCOL(Non-functional Binders)

PG4.5: 9 residues within 4Å: Chain A: S.294, S.296, T.331, A.333, Q.447, D.599, I.603, S.640, K.703 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.296, A:K.703

1 x MN: MANGANESE (II) ION(Non-covalent)

MN.6: 4 residues within 4Å: Chain A: D.683 Chain B: S.23, S.25, T.89 6 PLIP interactions: 1 interactions with chain A, 3 interactions with chain B, 2 Ligand-Water interactions Metal complexes: A:D.683, B:S.23, B:S.25, B:T.89, H2O.5, H2O.5

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Santelli, E. et al., Crystal structure of a complex between anthrax toxin and its host cell receptor. Nature (2004)

Release Date

2004-07-20

Peptides

Protective Antigen: A
Anthrax toxin receptor 2: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
X

B
Y

Protective Antigen

Anthrax toxin receptor 2

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