SMTL ID : 7ahm.2 (1 other biounit)

Low-resolution structure of the K+/H+ antiporter subunit KhtT in complex with c-di-AMP

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.14 Å

Oligo State

homo-dimer

Ligands

1 x 2BA: (2R,3R,3aS,5R,7aR,9R,10R,10aS,12R,14aR)-2,9-bis(6-amino-9H-purin-9-yl)octahydro-2H,7H-difuro[3,2-d:3',2'-j][1,3,7,9,2,8 ]tetraoxadiphosphacyclododecine-3,5,10,12-tetrol 5,12-dioxide(Non-covalent)

2BA.1: 24 residues within 4Å: Chain A: L.107, G.108, D.111, V.112, R.113, Q.114, V.118, T.119, V.120, P.134, G.135, A.136 Chain B: L.107, G.108, D.111, V.112, R.113, Q.114, V.118, T.119, V.120, P.134, G.135, A.136 14 PLIP interactions: 9 interactions with chain A, 5 interactions with chain B Hydrogen bonds: A:V.112, A:R.113, A:R.113, A:Q.114, A:Q.114, A:V.120, A:V.120, B:V.112, B:R.113, B:Q.114, B:V.120, B:P.134 pi-Cation interactions: A:R.113, A:R.113

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Cereija, T.B. et al., c-di-AMP, a likely master regulator of bacterial K + homeostasis machinery, activates a K + exporter. Proc.Natl.Acad.Sci.USA (2021)

Release Date

2021-03-31

Peptides

K(+)/H(+) antiporter subunit KhtT: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

K(+)/H(+) antiporter subunit KhtT

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