SMTL ID : 4jk2.1 (1 other biounit)

X-ray crystal structure of Escherichia coli sigma70 holoenzyme in complex with guanosine pentaphosphate (pppGpp)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 4.20 Å

Oligo State

hetero-2-1-1-1-1-mer

Ligands

2 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain D: C.70, C.72, C.85, C.88 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:C.70, D:C.72, D:C.85, D:C.88 ZN.2: 4 residues within 4Å: Chain D: C.814, C.888, C.895, C.898 3 PLIP interactions: 3 interactions with chain D Metal complexes: D:C.814, D:C.888, D:C.898

1 x 0O2: guanosine 5'-(tetrahydrogen triphosphate) 3'-(trihydrogen diphosphate)(Non-covalent)

0O2.3: 12 residues within 4Å: Chain D: R.362, H.364, K.615, I.619, D.622 Chain E: A.2, R.3, V.4, T.5, E.42, D.44, R.52 17 PLIP interactions: 6 interactions with chain E, 11 interactions with chain D Hydrogen bonds: E:A.2, E:E.42, E:E.42, E:R.52, D:K.615, D:K.615, D:D.622, D:D.622, D:D.622 Salt bridges: E:R.3, E:R.3, D:R.362, D:R.362, D:R.362, D:H.364, D:H.364, D:K.615

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Mechold, U. et al., Differential regulation by ppGpp versus pppGpp in Escherichia coli. Nucleic Acids Res. (2013)

Release Date

2013-04-17

Peptides

Escherichia coli RNA polymerase alpha subunit: AB
Escherichia coli RNA polymerase beta subunit: C
Escherichia coli RNA polymerase beta' subunit: D
Escherichia coli RNA polymerase omega subunit: E
Escherichia coli RNA polymerase sigma70 subunit: F

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

F
X

Escherichia coli RNA polymerase alpha subunit

Escherichia coli RNA polymerase beta subunit

Escherichia coli RNA polymerase beta' subunit

Escherichia coli RNA polymerase omega subunit

Escherichia coli RNA polymerase sigma70 subunit

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