SMTL ID : 4y4s.1

Crystal Structure of Y75A HasA dimer from Yersinia pseudotuberculosis

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

homo-dimer

Ligands

2 x HEM: PROTOPORPHYRIN IX CONTAINING FE(Non-covalent)

HEM.1: 18 residues within 4Å: Chain A: G.57, S.58, T.94, F.95, H.96 Chain B: Y.67, I.69, A.81, T.94, H.96, G.97, F.137, M.151, H.152, V.155, R.156, M.159 Ligands: HEM.3 18 PLIP interactions: 11 interactions with chain B, 7 interactions with chain A, Hydrophobic interactions: B:Y.67, B:Y.67, B:I.69, B:A.81, B:F.137, B:F.137, B:V.155, A:F.95, A:F.95, A:F.95 Hydrogen bonds: B:Y.67, A:F.95, A:H.96 Salt bridges: B:H.96 pi-Stacking: B:Y.67, A:F.95 Metal complexes: B:H.152, A:H.96 HEM.3: 18 residues within 4Å: Chain A: Y.67, I.69, A.81, T.94, H.96, G.97, F.137, M.151, H.152, V.155, R.156, M.159 Chain B: G.57, S.58, T.94, F.95, H.96 Ligands: HEM.1 18 PLIP interactions: 10 interactions with chain A, 8 interactions with chain B, Hydrophobic interactions: A:Y.67, A:Y.67, A:I.69, A:A.81, A:F.137, A:F.137, A:V.155, B:F.95, B:F.95, B:F.95 Salt bridges: A:H.96 pi-Stacking: A:Y.67, B:F.95 Metal complexes: A:H.152, B:H.96 Hydrogen bonds: B:T.94, B:F.95, B:H.96

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

SO4.2: 4 residues within 4Å: Chain A: Y.19 Chain B: A.187, S.188, Q.189 2 PLIP interactions: 1 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:Q.189, A:Y.19 SO4.4: 4 residues within 4Å: Chain A: A.187, S.188, Q.189 Chain B: Y.19 3 PLIP interactions: 1 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:Q.189, B:Y.19, B:Y.19

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kanadani, M. et al., The crystal structure of heme acquisition system A from Yersinia pseudotuberculosis (HasAypt): Roles of the axial ligand Tyr75 and two distal arginines in heme binding. J.Inorg.Biochem. (2015)

Release Date

2015-08-12

Peptides

Extracellular heme acquisition hemophore HasA: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Extracellular heme acquisition hemophore HasA

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