SMTL ID : 6jcx.1

Mycobacterium tuberculosis transcription initiation complex with ECF sigma factor sigma H and 6nt RNA

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.90 Å

Oligo State

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

Ligands

1 x C- C- U- C- G- A: RNA (5'-R(*CP*CP*UP*CP*GP*A)-3')(Non-covalent)

C-C-U-C-G-A.1: 22 residues within 4Å: Chain C: Q.431, R.461, P.485, N.489, I.493, Q.610, K.880, K.888, H.1031 Chain D: R.428, R.501, D.536, D.538, G.539, D.540 Chain G: T.13, C.14, G.15, A.16, G.17, G.18 Ligands: MG.4 Protein-ligand interaction information (PLIP) not available

2 x ZN: ZINC ION(Non-covalent)

ZN.2: 6 residues within 4Å: Chain D: C.892, R.964, C.969, A.970, C.976, C.979 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:C.892, D:C.969, D:C.976, D:C.979 ZN.3: 4 residues within 4Å: Chain D: C.61, C.63, C.76, C.79 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:C.61, D:C.63, D:C.76, D:C.79

1 x MG: MAGNESIUM ION(Non-covalent)

MG.4: 4 residues within 4Å: Chain D: D.536, D.538, D.540 Ligands: C-C-U-C-G-A.1 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:D.536, D:D.538, D:D.538, D:D.540

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Fang, C. et al., Structures and mechanism of transcription initiation by bacterial ECF factors. Nucleic Acids Res. (2019)

Release Date

2019-05-29

Peptides

DNA-directed RNA polymerase subunit alpha: AB
DNA-directed RNA polymerase subunit beta: C
DNA-directed RNA polymerase subunit beta': D
DNA-directed RNA polymerase subunit omega: E
ECF RNA polymerase sigma factor SigH: F

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

F
F

DNA-directed RNA polymerase subunit alpha

DNA-directed RNA polymerase subunit beta

DNA-directed RNA polymerase subunit beta'

DNA-directed RNA polymerase subunit omega

ECF RNA polymerase sigma factor SigH

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