SMTL ID : 6xfj.2 (1 other biounit)

Crystal structure of the type III secretion pilotin InvH

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.20 Å

Oligo State

homo-dimer

Ligands

8 x CD: CADMIUM ION(Non-covalent)

CD.1: 7 residues within 4Å: Chain A: C.20 Chain B: C.20 Ligands: CD.2, CL.6, CL.7, CD.13, CL.16 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B Metal complexes: A:C.20, B:C.20 CD.2: 6 residues within 4Å: Chain A: C.20 Ligands: CD.1, CL.7, CL.8, CL.9, CL.10 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:C.20, A:C.20 CD.3: 2 residues within 4Å: Chain A: Q.25, E.28 5 PLIP interactions: 1 interactions with chain A, 4 Ligand-Water interactions Metal complexes: A:E.28, H2O.1, H2O.1, H2O.2, H2O.5 CD.4: 1 residues within 4Å: Chain A: E.48 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.48, A:E.48, H2O.4 CD.5: 3 residues within 4Å: Chain A: D.46 Ligands: CL.11, CL.12 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:D.46, A:D.46 CD.13: 4 residues within 4Å: Chain B: C.20 Ligands: CD.1, CL.7, CL.8 2 PLIP interactions: 1 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:C.20, H2O.5 CD.14: 3 residues within 4Å: Chain B: Y.23, E.28 Ligands: CL.17 5 PLIP interactions: 3 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:Y.23, B:E.28, B:E.28, H2O.6, H2O.7 CD.15: 2 residues within 4Å: Chain B: E.77, Q.80 3 PLIP interactions: 2 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:E.77, B:E.77, H2O.7

9 x CL: CHLORIDE ION(Non-functional Binders)

CL.6: 5 residues within 4Å: Chain A: T.26 Chain B: C.20, T.26 Ligands: CD.1, CL.16 Ligand excluded by PLIP CL.7: 9 residues within 4Å: Chain A: C.20, K.27 Chain B: C.20 Ligands: CD.1, CD.2, CL.8, CL.9, CL.10, CD.13 Ligand excluded by PLIP CL.8: 5 residues within 4Å: Chain A: C.20 Ligands: CD.2, CL.7, CL.9, CD.13 Ligand excluded by PLIP CL.9: 5 residues within 4Å: Chain A: C.20, K.27 Ligands: CD.2, CL.7, CL.8 Ligand excluded by PLIP CL.10: 7 residues within 4Å: Chain A: C.20, K.24, Q.25, T.26, K.27 Ligands: CD.2, CL.7 Ligand excluded by PLIP CL.11: 4 residues within 4Å: Chain A: Q.39, D.46 Ligands: CD.5, CL.12 Ligand excluded by PLIP CL.12: 3 residues within 4Å: Chain A: D.46 Ligands: CD.5, CL.11 Ligand excluded by PLIP CL.16: 5 residues within 4Å: Chain A: C.20 Chain B: T.26, K.27 Ligands: CD.1, CL.6 Ligand excluded by PLIP CL.17: 3 residues within 4Å: Chain B: Y.23, E.28 Ligands: CD.14 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Majewski, D.D. et al., Characterization of the Pilotin-Secretin Complex from the Salmonella enterica Type III Secretion System Using Hybrid Structural Methods. Structure (2021)

Release Date

2020-09-16

Peptides

Type 3 secretion system pilotin: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

Type 3 secretion system pilotin

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