SMTL ID : 6cww.3 (2 other biounits)

Cs H-NOX mutant with unnatural amino acid 4-cyano-L-phenylalanine at site 5

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.85 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 24 residues within 4Å: Chain A: M.1, F.5, F.78, F.82, Y.85, F.86, F.94, M.98, H.102, L.105, T.113, P.114, P.115, L.117, M.129, Y.131, S.133, R.135, M.137, Y.140, F.141, L.144, I.145, S.148 26 PLIP interactions: 25 interactions with chain A, 1 Ligand-Water interactions Hydrophobic interactions: A:F.78, A:F.78, A:F.78, A:F.82, A:Y.85, A:F.86, A:F.94, A:F.94, A:L.105, A:P.115, A:L.117, A:Y.131, A:Y.140, A:Y.140, A:F.141, A:F.141, A:F.141, A:I.145 Hydrogen bonds: A:S.133 Water bridges: A:R.135, A:R.135 Salt bridges: A:R.135, A:R.135 pi-Stacking: A:F.78 Metal complexes: A:H.102, H2O.2 HEM.3: 25 residues within 4Å: Chain B: K.2, F.5, F.78, F.82, Y.85, F.86, F.94, M.98, H.102, L.105, T.106, T.113, P.114, P.115, L.117, M.129, Y.131, S.133, R.135, M.137, Y.140, F.141, L.144, I.145, S.148 31 PLIP interactions: 30 interactions with chain B, 1 Ligand-Water interactions Hydrophobic interactions: B:F.78, B:F.82, B:Y.85, B:F.86, B:F.94, B:F.94, B:F.94, B:L.105, B:T.106, B:L.117, B:Y.131, B:Y.140, B:Y.140, B:F.141, B:F.141, B:F.141, B:L.144, B:I.145 Hydrogen bonds: B:Y.131, B:S.133 Water bridges: B:T.113, B:T.113, B:K.134, B:R.135 Salt bridges: B:K.2, B:R.135, B:R.135 pi-Stacking: B:F.78, B:Y.140 Metal complexes: B:H.102, H2O.6

1 x 211: 2,2',2''-NITRILOTRIETHANOL(Non-covalent)

211.2: 6 residues within 4Å: Chain A: S.149, K.150, K.153, E.154, E.155, I.156 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:S.149, A:K.153, A:I.156, A:I.156 Water bridges: A:E.155, A:E.155 Salt bridges: A:E.155

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kearney, C. et al., Exploring local solvation environments of a heme protein using the spectroscopic reporter 4-cyano-l-phenylalanine. RSC Adv (2018)

Release Date

2018-05-16

Peptides

Methyl-accepting chemotaxis protein: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
A

Methyl-accepting chemotaxis protein

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