SMTL ID : 3l9w.1

KefC C-terminal domain in complex with KefF and GSH

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

homo-dimer

Ligands

2 x FMN: FLAVIN MONONUCLEOTIDE(Non-covalent)

FMN.1: 17 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, F.350, T.385, F.386 16 PLIP interactions: 16 interactions with chain A Hydrophobic interactions: A:Q.303, A:Q.303 Hydrogen bonds: A:H.252, A:A.253, A:N.254, A:N.254, 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.5: 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 15 PLIP interactions: 15 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:W.304, B:Y.305, B:T.342, B:T.342, B:G.344, B:G.345, B:H.349 Salt bridges: B:H.245 pi-Stacking: B:W.304

2 x AMP: ADENOSINE MONOPHOSPHATE(Non-covalent)

AMP.2: 17 residues within 4Å: Chain A: G.11, F.12, G.13, R.14, F.15, L.33, D.34, H.35, D.36, H.39, G.53, D.54, A.55, I.76, D.77, T.81, R.101 16 PLIP interactions: 16 interactions with chain A Hydrogen bonds: A:G.13, A:R.14, A:F.15, A:H.35, A:H.35, A:H.39, A:D.54, A:A.55 Water bridges: A:G.16, A:D.77, A:D.77, A:R.101 Salt bridges: A:R.14, A:R.101 pi-Stacking: A:H.35, A:H.35 AMP.6: 17 residues within 4Å: Chain B: G.11, F.12, G.13, R.14, F.15, L.33, D.34, H.35, D.36, H.39, G.53, D.54, A.55, I.76, D.77, T.81, R.101 13 PLIP interactions: 13 interactions with chain B Hydrogen bonds: B:F.12, B:F.12, B:R.14, B:F.15, B:D.34, B:H.35, B:D.36, B:D.36, B:D.54, B:A.55, B:D.77 Salt bridges: B:R.14, B:R.101

2 x ZN: ZINC ION(Non-covalent)

ZN.3: 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.4: 5 residues within 4Å: Chain A: G.141 Chain B: Y.247, P.248, H.249, H.250 No protein-ligand interaction detected (PLIP)

1 x GSH: GLUTATHIONE(Non-covalent)

GSH.7: 8 residues within 4Å: Chain A: R.14, Q.17, I.18, R.21 Chain B: R.103, D.104, V.105, R.121 14 PLIP interactions: 9 interactions with chain B, 5 interactions with chain A Hydrogen bonds: B:D.104, B:D.104, B:V.105, A:Q.17, A:Q.17 Water bridges: B:D.104, B:D.104, B:D.106, B:N.156 Salt bridges: B:R.103, B:R.121, A:R.14, A:R.21 Hydrophobic interactions: A:R.14

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

SO4.8: 7 residues within 4Å: Chain A: R.21 Chain B: F.152, N.156, M.159, Y.177, T.180, L.184 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:F.152, B:N.156 Salt bridges: A:R.21

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Roosild, T.P. et al., Mechanism of ligand-gated potassium efflux in bacterial pathogens. Proc.Natl.Acad.Sci.USA (2010)

Release Date

2010-11-17

Peptides

Glutathione-regulated potassium-efflux system protein kefC, linker, ancillary protein kefF: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Glutathione-regulated potassium-efflux system protein kefC, linker, ancillary protein kefF

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