SMTL ID : 6k5p.1 (2 other biounits)

Structure of mosquito-larvicidal Binary toxin receptor, Cqm1

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

homo-dimer

Ligands

2 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 3 residues within 4Å: Chain A: H.34, A.35, D.72 6 PLIP interactions: 2 interactions with chain A, 4 Ligand-Water interactions Metal complexes: A:H.34, A:H.34, H2O.4, H2O.7, H2O.13, H2O.18 MG.9: 4 residues within 4Å: Chain B: H.34, A.35, D.72, Q.471 6 PLIP interactions: 2 interactions with chain B, 4 Ligand-Water interactions Metal complexes: B:H.34, B:H.34, H2O.28, H2O.33, H2O.34, H2O.37

9 x CD: CADMIUM ION(Non-covalent)

CD.2: 5 residues within 4Å: Chain A: D.47, N.49, D.51, I.53, D.55 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.47, A:D.51, A:I.53, A:D.55, H2O.1 CD.4: 2 residues within 4Å: Chain A: D.225, E.291 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:E.291, A:E.291, H2O.6, H2O.17, H2O.19 CD.5: 2 residues within 4Å: Chain A: H.456, H.460 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:H.456, A:H.460, H2O.11, H2O.19, H2O.23 CD.6: 1 residues within 4Å: Chain A: E.494 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:E.494, A:E.494, H2O.11, H2O.17, H2O.19 CD.8: 3 residues within 4Å: Chain A: G.245, E.249, D.251 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:E.249, A:E.249, A:D.251 CD.10: 5 residues within 4Å: Chain B: D.47, N.49, D.51, I.53, D.55 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.47, B:D.51, B:I.53, B:D.55, H2O.25 CD.12: 2 residues within 4Å: Chain B: D.225, E.291 5 PLIP interactions: 1 interactions with chain B, 4 Ligand-Water interactions Metal complexes: B:E.291, H2O.32, H2O.35, H2O.38, H2O.43 CD.13: 3 residues within 4Å: Chain B: H.456, H.460 Ligands: ACT.15 5 PLIP interactions: 2 interactions with chain B, 1 Ligand-Ligand interactions, 2 Ligand-Water interactions Metal complexes: B:H.456, B:H.460, ACT.15, H2O.25, H2O.26 CD.14: 3 residues within 4Å: Chain B: G.245, E.249, D.251 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:E.249, B:E.249, B:D.251, B:D.251

2 x CA: CALCIUM ION(Non-covalent)

CA.3: 5 residues within 4Å: Chain A: N.128, D.195, H.229, M.230, E.232 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.195, A:M.230, A:E.232, H2O.6, H2O.8 CA.11: 5 residues within 4Å: Chain B: N.128, D.195, H.229, M.230, E.232 5 PLIP interactions: 3 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:D.195, B:M.230, B:E.232, H2O.28, H2O.29

2 x ACT: ACETATE ION(Non-functional Binders)

ACT.7: 2 residues within 4Å: Chain A: V.142, D.144 No protein-ligand interaction detected (PLIP) ACT.15: 2 residues within 4Å: Chain B: H.460 Ligands: CD.13 1 PLIP interactions: 1 interactions with chain B Salt bridges: B:H.460

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Sharma, M. et al., Crystal structure of BinAB toxin receptor (Cqm1) protein and molecular dynamics simulations reveal the role of unique Ca(II) ion. Int.J.Biol.Macromol. (2019)

Release Date

2019-09-11

Peptides

Binary toxin receptor protein: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Binary toxin receptor protein

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