6JCX	Transcription	date	Jan 30, 2019
title	Mycobacterium Tuberculosis Transcription Initiation Complex Sigma Factor Sigma H And 6nt Rna
authors	L.Li, Y.Zhang
compound		source
Molecule: Dna-Directed Rna Polymerase Subunit Alpha Chain: A, B Synonym: Rnap Subunit Alpha,Rna Polymerase Subunit Alpha, Transcriptase Subunit Alpha; Ec: 2.7.7.6 Engineered: Yes		Organism_scientific: Mycobacterium Tuberculosis H37rv Organism_taxid: 83332 Strain: H37rv Atcc: 25618 Gene: Rpoa Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Petduet
Molecule: Dna-Directed Rna Polymerase Subunit Beta Chain: C Synonym: Rnap Subunit Beta,Rna Polymerase Subunit Beta,Tran Subunit Beta; Ec: 2.7.7.6 Engineered: Yes		Organism_scientific: Mycobacterium Tuberculosis H37rv Organism_taxid: 83332 Strain: H37rv Gene: Rpob Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pacycduet
Molecule: Dna-Directed Rna Polymerase Subunit Beta' Chain: D Synonym: Rnap Subunit Beta',Rna Polymerase Subunit Beta', Transcriptase Subunit Beta'; Ec: 2.7.7.6 Engineered: Yes		Organism_scientific: Mycobacterium Tuberculosis H37rv Organism_taxid: 83332 Strain: H37rv Atcc: 25618 Gene: Rpoc Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid
Molecule: Dna-Directed Rna Polymerase Subunit Omega Chain: E Synonym: Rnap Omega Subunit,Rna Polymerase Omega Subunit, Transcriptase Subunit Omega; Ec: 2.7.7.6 Engineered: Yes		Organism_scientific: Mycobacterium Tuberculosis H37rv Organism_taxid: 83332 Strain: H37rv Atcc: 25618 Gene: Rpoz Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Petduet
Molecule: Ecf Rna Polymerase Sigma Factor Sigh Chain: F Synonym: Ecf Sigma Factor Sigh,Alternative Rna Polymerase S Factor Sigh,Rna Polymerase Sigma-H Factor,Sigma-H Factor; Engineered: Yes		Organism_scientific: Mycobacterium Tuberculosis H37rv Organism_taxid: 83332 Strain: H37rv Atcc: 25618 Gene: Sigh Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Ptolo-Ex5
Molecule: Dna (5'- D(Tpgpcpaptpcpcpgptpgpapgptpcpgpapgpgpgp Chain: H Engineered: Yes		Synthetic: Yes Organism_scientific: Synthetic Construct Organism_taxid: 32630
Molecule: Dna (5'- D(Tptpgptpgpgpgpapgpcptpgptpcpapcpgpgpap A)-3'); Chain: G Engineered: Yes		Synthetic: Yes Organism_scientific: Synthetic Construct Organism_taxid: 32630
Molecule: Rna (5'-R(Cpcpupcpgpa)-3') Chain: I Engineered: Yes		Synthetic: Yes Organism_scientific: Synthetic Construct Organism_taxid: 32630
symmetry	Space Group: P 1 21 1	R_factor 0.210 R_Free 0.256
crystal cell	length a length b length c angle alpha angle beta angle gamma 125.139 161.001 128.846 90.00 117.06 90.00
method	X-Ray Diffraction	resolution	2.90 Å
ligand	MG, ZN	enzyme	Transferase E.C.2.7.7.6 BRENDA
Gene Ontology	Chain Function Process Component A, B C D E F bacterial sigma factor activ...
Primary reference	Structures and mechanism of transcription initiation by bacterial ECF factors., Fang C, Li L, Shen L, Shi J, Wang S, Feng Y, Zhang Y, Nucleic Acids Res. 2019 May 27. pii: 5498757. doi: 10.1093/nar/gkz470. PMID:31131408

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (513 Kb) [Save to disk] Biological Unit Coordinates (6jcx.pdb1.gz) 504 Kb LPC: Ligand-Protein Contacts for 6JCX CSU: Contacts of Structural Units for 6JCX Structure Factors (675 Kb) Retrieve 6JCX in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 6JCX from S2C, [Save to disk]

View 6JCX in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 6JCX

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [6jcx_F] [6jcx_G] [6jcx_A] [6jcx_H] [6jcx_I] [6jcx_E] [6jcx_C] [6jcx_B] [6jcx_D] SWISS-PROT database: Domain organization of by SWISSPFAM

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