SMTL ID : 7wr3.1 (1 other biounit)

Crystal structure of MBP-fused OspC3 in complex with calmodulin

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.87 Å

Oligo State

hetero-1-1-mer

Ligands

1 x GLC- GLC: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose(Non-covalent)

GLC-GLC.1: 15 residues within 4Å: Chain A: N.15, D.17, K.18, W.65, A.66, D.68, R.69, E.114, E.156, P.157, Y.158, F.159, W.233, M.333, W.343 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:W.65, A:R.69, A:R.69, A:E.156, A:Y.158

2 x SO4: SULFATE ION(Non-functional Binders)

SO4.2: 3 residues within 4Å: Chain A: I.757, N.758, N.796 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:N.758 Water bridges: A:G.760, A:G.760, A:N.796 SO4.3: 1 residues within 4Å: Chain A: K.329 3 PLIP interactions: 3 interactions with chain A Water bridges: A:K.329, A:K.329 Salt bridges: A:K.329

1 x NCA: NICOTINAMIDE(Non-covalent)

NCA.4: 8 residues within 4Å: Chain A: H.465, Q.466, F.510, F.511, G.512, H.528, F.533, E.648 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:F.533 Hydrogen bonds: A:Q.466, A:Q.466 Water bridges: A:H.528

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Hou, Y. et al., Structural mechanisms of calmodulin activation of Shigella effector OspC3 to ADP-riboxanate caspase-4/11 and block pyroptosis. Nat.Struct.Mol.Biol. (2023)

Release Date

2023-01-25

Peptides

MBP-fused OspC3: A
Calmodulin-1: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
C

MBP-fused OspC3

Calmodulin-1

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