SMTL ID : 3eyw.1

Crystal structure of the C-terminal domain of E. coli KefC in complex with KefF

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

homo-dimer

Ligands

2 x FMN: FLAVIN MONONUCLEOTIDE(Non-covalent)

FMN.1: 18 residues within 4Å: Chain A: H.245, S.251, H.252, A.253, N.254, P.301, M.302, Q.303, W.304, Y.305, T.342, T.343, G.344, G.345, H.349, F.350, T.385, F.386 16 PLIP interactions: 16 interactions with chain A Hydrophobic interactions: A:Q.303 Hydrogen bonds: A:H.252, A:A.253, A:N.254, A:N.254, A:M.302, A:M.302, A:W.304, A:Y.305, A:T.342, A:T.342, A:G.344, A:G.345, A:T.385 Salt bridges: A:H.245 pi-Stacking: A:W.304 FMN.6: 18 residues within 4Å: Chain B: H.245, S.251, H.252, A.253, N.254, P.301, M.302, Q.303, W.304, Y.305, T.342, T.343, G.344, G.345, H.349, F.350, T.385, F.386 17 PLIP interactions: 17 interactions with chain B Hydrophobic interactions: B:Q.303 Hydrogen bonds: B:H.252, B:A.253, B:N.254, B:N.254, B:M.302, B:M.302, B:W.304, B:Y.305, B:T.342, B:T.342, B:G.344, B:G.345, B:H.349 Water bridges: B:T.385 Salt bridges: B:H.245 pi-Stacking: B:W.304

2 x NAD: NICOTINAMIDE-ADENINE-DINUCLEOTIDE(Non-covalent)

NAD.2: 16 residues within 4Å: Chain A: G.11, G.13, R.14, F.15, D.34, H.35, D.36, H.39, G.53, D.54, A.55, I.76, D.77, T.81, R.101 Ligands: MG.3 12 PLIP interactions: 11 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:R.14, A:F.15, A:H.35, A:H.35, A:D.54, A:A.55 Water bridges: A:R.14, B:R.103 Salt bridges: A:R.14, A:R.101 pi-Stacking: A:H.35, A:H.35 NAD.7: 16 residues within 4Å: Chain B: G.11, F.12, G.13, R.14, F.15, D.34, H.35, D.36, H.39, G.53, D.54, A.55, I.76, D.77, T.81, R.101 15 PLIP interactions: 15 interactions with chain B Hydrogen bonds: B:F.12, B:R.14, B:F.15, B:D.34, B:H.35, B:D.36, B:H.39, B:D.54, B:A.55 Water bridges: B:D.36, B:D.77 Salt bridges: B:R.14, B:R.101 pi-Stacking: B:H.35, B:H.35

1 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 8 residues within 4Å: Chain A: G.11, F.12, G.13, F.15, G.16, A.75, R.101 Ligands: NAD.2 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:A.75

2 x ZN: ZINC ION(Non-covalent)

ZN.4: 5 residues within 4Å: Chain A: Y.247, P.248, H.249, H.250 Chain B: G.141 No protein-ligand interaction detected (PLIP) ZN.5: 5 residues within 4Å: Chain A: G.141 Chain B: Y.247, P.248, H.249, H.250 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Roosild, T.P. et al., KTN (RCK) Domains Regulate K(+) Channels and Transporters by Controlling the Dimer-Hinge Conformation. Structure (2009)

Release Date

2009-06-30

Peptides

C-terminal domain of Glutathione-regulated potassium-efflux system protein kefC fused to full length Glutathione-regulated potassium-efflux system ancillary protein kefF: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C-terminal domain of Glutathione-regulated potassium-efflux system protein kefC fused to full length Glutathione-regulated potassium-efflux system ancillary protein kefF

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