SMTL ID : 7emp.1 (2 other biounits)

Crystal Structure of HasAp Capturing Chromium Tetraphenylporphyrin

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.50 Å

Oligo State

monomer

Ligands

1 x J7U: chromium-5,10,15,20-tetraphenylporphyrin(Non-covalent)

J7U.1: 20 residues within 4Å: Chain A: H.32, R.33, P.34, V.37, T.43, G.44, F.46, P.50, F.51, Y.56, Y.75, L.77, F.78, H.83, L.85, R.129, H.134, V.137, Y.138, M.141 26 PLIP interactions: 26 interactions with chain A, Hydrophobic interactions: A:P.34, A:V.37, A:F.51, A:Y.56, A:Y.75, A:Y.75, A:L.77, A:F.78, A:F.78, A:L.85, A:L.85, A:V.137, A:V.137, A:Y.138, A:Y.138 pi-Stacking: A:H.32, A:F.46, A:Y.75, A:Y.75, A:H.83, A:H.83, A:H.134, A:Y.138 pi-Cation interactions: A:H.32 Metal complexes: A:H.32, A:Y.75

1 x NHE: 2-[N-CYCLOHEXYLAMINO]ETHANE SULFONIC ACID(Non-covalent)

NHE.2: 8 residues within 4Å: Chain A: Y.11, W.14, Y.19, D.22, W.23, Y.26, D.96, E.113 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:Y.11, A:W.14, A:Y.19, A:D.22, A:Y.26 Hydrogen bonds: A:Y.11, A:E.113

1 x CXS: 3-CYCLOHEXYL-1-PROPYLSULFONIC ACID(Non-covalent)

CXS.3: 3 residues within 4Å: Chain A: Y.26, S.63, D.64 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:Y.26 Hydrogen bonds: A:Y.26, A:D.64, A:D.64

2 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.4: 3 residues within 4Å: Chain A: F.78, S.82, H.83 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:F.78, A:S.82 Salt bridges: A:H.83 PO4.5: 1 residues within 4Å: Chain A: T.10 2 PLIP interactions: 2 interactions with chain A Water bridges: A:T.9, A:T.10

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Shisaka, Y. et al., Tetraphenylporphyrin Enters the Ring: First Example of a Complex between Highly Bulky Porphyrins and a Protein. Chembiochem (2022)

Release Date

2022-04-20

Peptides

Heme acquisition protein HasAp: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Heme acquisition protein HasAp

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