SMTL ID : 6dv9.1

Crystal structure of Mycobacterium tuberculosis transcription initiation complex(ECF sigma factor L) containing 5nt RNA with 4nt spacer

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.80 Å

Oligo State

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

Ligands

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

C-U-C-G-A.1: 25 residues within 4Å: Chain C: Q.435, L.458, R.465, P.489, E.490, N.493, I.497, R.613, Q.614, K.884, K.892, H.1035, K.1040 Chain D: R.500, D.535, D.537, G.538, D.539 Chain G: G.11, T.12, C.13, G.14, A.15, G.16 Ligands: MG.2 Protein-ligand interaction information (PLIP) not available

1 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 4 residues within 4Å: Chain D: D.535, D.537, D.539 Ligands: C-U-C-G-A.1 5 PLIP interactions: 5 interactions with chain D Metal complexes: D:D.535, D:D.535, D:D.537, D:D.539, D:D.539

2 x ZN: ZINC ION(Non-covalent)

ZN.3: 4 residues within 4Å: Chain D: C.891, C.968, C.975, C.978 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:C.891, D:C.968, D:C.975, D:C.978 ZN.4: 5 residues within 4Å: Chain D: C.60, Y.61, C.62, C.75, C.78 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:C.60, D:C.62, D:C.75, D:C.78

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lin, W. et al., Structural basis of ECF-sigma-factor-dependent transcription initiation. Nat Commun (2019)

Release Date

2019-02-20

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 SigL: 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 SigL

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