SMTL ID : 4wkg.1

The crystal structure of apo ArnA features an unexpected central binding pocket and provides an explanation for enzymatic coop-erativity

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.70 Å

Oligo State

homo-hexamer

Ligands

2 x DTT: 2,3-DIHYDROXY-1,4-DITHIOBUTANE(Non-covalent)

DTT.1: 8 residues within 4Å: Chain A: H.372, E.374, W.375 Chain B: H.372, W.375 Chain C: E.366, W.375, H.379 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:H.372 DTT.3: 7 residues within 4Å: Chain D: H.372, W.375 Chain E: H.372, W.375 Chain F: E.374, W.375, H.379 No protein-ligand interaction detected (PLIP)

2 x ACT: ACETATE ION(Non-functional Binders)

ACT.2: 7 residues within 4Å: Chain A: M.11, Y.83, G.105, P.116, L.117, H.162, L.165 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:Y.83, A:L.117 Hydrogen bonds: A:Y.83, A:Y.83 Salt bridges: A:H.162 ACT.4: 8 residues within 4Å: Chain F: M.11, Y.83, G.105, P.116, L.117, H.162, L.165, W.228 3 PLIP interactions: 3 interactions with chain F Hydrophobic interactions: F:Y.83, F:L.117 Salt bridges: F:H.162

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Fischer, U. et al., The structure of apo ArnA features an unexpected central binding pocket and provides an explanation for enzymatic cooperativity. Acta Crystallogr.,Sect.D (2015)

Release Date

2014-12-17

Peptides

Bifunctional polymyxin resistance protein ArnA: ABCDEF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

F
F

Bifunctional polymyxin resistance protein ArnA

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