3M0E: Transcriptional regulator

Crystal structure of the ATP-bound state of Walker B mutant of NtrC1 ATPase domain. Determined by X-ray diffraction at 2.63 Å resolution. Released 3 Nov 2010.

Method
X-ray diffraction
Resolution
2.63 Å
Organism
Aquifex aeolicus
Chains
7
Atoms
14,440
Mol. weight
216.72 kDa
Ligands
MG, ATP
Released
3 Nov 2010

Explore 3M0E in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3M0E contains 105 α-helices and 86 β-strands across 7 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 15 helices, 14 β-strands

ElementResiduesLengthSheet
α-helix144-15512
β-strand163-16641
α-helix173-18210
β-strand191-19551
α-helix201-2033
α-helix204-2096
β-strand21112
β-strand21413
β-strand21813
β-strand22312
α-helix226-2294
β-strand234-23851
α-helix240-2423
α-helix245-25713
β-strand259-26024
β-strand26312
β-strand269-27024
β-strand274-27961
α-helix283-2886
α-helix294-3007
β-strand303-30641
α-helix307-3093
α-helix310-3123
α-helix314-33118
β-strand338-33925
α-helix341-3499
α-helix355-36915
β-strand374-37525
α-helix377-3815
Chains B, C, D, E, F and G: 15 helices, 12 β-strands
ElementResiduesLengthSheet
α-helix144-15512
β-strand163-16646
α-helix173-18210
β-strand191-19556
α-helix201-2033
α-helix204-2096
β-strand21117
β-strand22317
α-helix226-2294
β-strand234-23856
α-helix240-2423
α-helix245-25713
β-strand259-26028
β-strand26317
β-strand269-27028
β-strand274-27966
α-helix283-2886
α-helix294-3007
β-strand303-30646
α-helix307-3093
α-helix310-3123
α-helix314-33118
β-strand338-33929
α-helix341-3499
α-helix355-36915
β-strand374-37529
α-helix377-3815

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Transcriptional regulator (NtrC family)A, B, C, D, E, F, Gprotein266Aquifex aeolicusO67198 (AlphaFold model)
Sequence of entity 1 (A, B, C, D, E, F, G), FASTA
>3M0E_1 Transcriptional regulator (NtrC family) (chains A, B, C, D, E, F, G)
RKENELLRREKDLKEEEYVFESPKMKEILEKIKKISCAECPVLITGESGVGKEVVARLIH
KLSDRSKEPFVALNVASIPRDIFEAELFGYEKGAFTGAVSSKEGFFELADGGTLFLDAIG
ELSLEAQAKLLRVIESGKFYRLGGRKEIEVNVRILAATNRNIKELVKEGKFREDLYYRLG
VIEIEIPPLRERKEDIIPLANHFLKKFSRKYAKEVEGFTKSAQELLLSYPWYGNVRELKN
VIERAVLFSEGKFIDRGELSCLVNSK

Ligands and cofactors

IDNameFormulaCopies
MGMagnesium ionMg7
ATPAdenosine-5'-triphosphateC10 H16 N5 O13 P37

Primary citation

Engagement of Arginine Finger to ATP Triggers Large Conformational Changes in NtrC1 AAA+ ATPase for Remodeling Bacterial RNA Polymerase. Chen, B., Sysoeva, T.A., Chowdhury, S. et al. Structure (2010) 18:1420-1430. DOI 10.1016/j.str.2010.08.018 · PubMed

Other PDB entries of the same protein (UniProt O67198 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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