SMTL ID : 3l9x.1

KefC C-terminal domain in complex with KefF and ESG

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.10 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 17 PLIP interactions: 17 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: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 16 PLIP interactions: 16 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 Water bridges: B:T.385 Salt bridges: B:H.245 pi-Stacking: B:W.304

2 x ZN: ZINC ION(Non-covalent)

ZN.2: 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)

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

SO4.3: 5 residues within 4Å: Chain A: G.13, R.14, F.15, D.77, R.101 9 PLIP interactions: 1 interactions with chain B, 8 interactions with chain A Water bridges: B:R.103, A:R.14, A:G.16, A:A.75, A:D.77 Hydrogen bonds: A:R.14, A:F.15 Salt bridges: A:R.14, A:R.101 SO4.8: 5 residues within 4Å: Chain B: G.13, R.14, F.15, D.77, R.101 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:R.14, B:F.15 Salt bridges: B:R.14, B:R.101

1 x ESG: L-gamma-glutamyl-S-[(3S)-1-ethyl-2,5-dioxopyrrolidin-3-yl]-L-cysteinylglycine(Non-covalent)

ESG.4: 11 residues within 4Å: Chain A: R.14, Q.17, I.18, R.21, T.42, K.45 Chain B: R.103, D.104, V.105, R.121 Ligands: L9X.7 15 PLIP interactions: 8 interactions with chain B, 7 interactions with chain A Hydrogen bonds: B:D.104, B:D.104, B:V.105, A:Q.17, A:Q.17, A:R.21 Water bridges: B:D.104, B:D.106, B:N.156, A:R.14 Salt bridges: B:R.103, B:R.121, A:R.14, A:R.21 Hydrophobic interactions: A:R.14

1 x L9X: L-gamma-glutamyl-S-[(3R)-1-ethyl-2,5-dioxopyrrolidin-3-yl]-L-cysteinylglycine(Non-covalent)

L9X.7: 11 residues within 4Å: Chain A: R.14, Q.17, I.18, R.21, T.42 Chain B: R.103, D.104, V.105, R.121, M.163 Ligands: ESG.4 14 PLIP interactions: 8 interactions with chain B, 6 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.106, B:N.156, A:R.14 Salt bridges: B:R.103, B:R.121, A:R.14, A:R.21 Hydrophobic interactions: A:R.14

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

Related Entries With Identical Sequence