SMTL ID : 5iqx.1

1.05A resolution structure of Holo HasAp (R33A) from Pseudomonas aeruginosa

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.05 Å

Oligo State

monomer

Ligands

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

HEM.1: 17 residues within 4Å: Chain A: H.32, P.34, G.35, V.37, D.39, T.43, F.46, F.51, Y.56, Y.75, L.77, H.83, L.85, R.129, H.134, Y.138, M.141 24 PLIP interactions: 24 interactions with chain A, Hydrophobic interactions: A:T.43, A:F.46, A:F.46, A:F.51, A:Y.56, A:Y.75, A:Y.75, A:L.77, A:H.83, A:L.85, A:L.85, A:Y.138, A:Y.138, A:Y.138 Hydrogen bonds: A:G.35 Water bridges: A:S.82, A:H.83 Salt bridges: A:R.129 pi-Stacking: A:H.32, A:Y.75 pi-Cation interactions: A:H.32, A:H.83 Metal complexes: A:H.32, A:Y.75

1 x MLT: D-MALATE(Non-covalent)

MLT.2: 5 residues within 4Å: Chain A: N.47, Q.55, G.105, G.106, Y.107 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:N.47, A:Q.55, A:G.106, A:Y.107 Water bridges: A:S.54

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

NA.3: 3 residues within 4Å: Chain A: Q.171, A.174, A.175 1 PLIP interactions: 1 interactions with chain A Water bridges: A:A.174 NA.4: 2 residues within 4Å: Chain A: T.76, S.79 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.79, A:S.79 NA.5: 3 residues within 4Å: Chain A: P.124, I.125, A.126 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:I.125, A:A.126 NA.6: 1 residues within 4Å: Chain A: K.157 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kumar, R. et al., Replacing Arginine 33 for Alanine in the Hemophore HasA from Pseudomonas aeruginosa Causes Closure of the H32 Loop in the Apo-Protein. Biochemistry (2016)

Release Date

2016-04-20

Peptides

Heme acquisition protein HasAp: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Heme acquisition protein HasAp

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