9e86

De Novo Mycobacterium tuberculosis transcription initiation promoter complex with 5-mer RNA and open Beta' clamp (RNA Polymerase with Sigma-A, CarD, and RbpA)

Method: ELECTRON MICROSCOPY

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1. Protein Identity and Related Structures Protein Identity & Related Structures

DNA-directed RNA polymerase subunit alpha

Mycobacterium tuberculosis

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Heteromer	Protein 8 DNA 2 RNA 1	DNA-directed RNA polymerase subunit beta × 1 （A5U052） ;DNA-directed RNA polymerase subunit beta' ; × 1 （P0A675） DNA-directed RNA polymerase subunit omega × 1 （A0A045H2R3） RNA polymerase sigma factor SigA × 1 （P0A603） RNA polymerase-binding protein RbpA × 1 （P9WHJ4） Ubiquitin-like protein SMT3,RNA polymerase-binding transcription factor CarD × 1 （P9WJG2,Q12306） DNA (52-MER) × 1 ;RNA (5'-R(PAPGPCPGP*A)-3') ; × 1 DNA (48-MER) × 1 PYROPHOSPHATE 2- × 1 ZINC ION × 2 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPOA_MYCTA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–347； UniProt 1–347 Author chain B； PDBConstruct 1–347； UniProt 1–347

DNA-directed RNA polymerase subunit beta

Mycobacterium tuberculosis

UniProt A5U052

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Heteromer	Protein 8 DNA 2 RNA 1	DNA-directed RNA polymerase subunit alpha × 2 （A5U8D3） ;DNA-directed RNA polymerase subunit beta' ; × 1 （P0A675） DNA-directed RNA polymerase subunit omega × 1 （A0A045H2R3） RNA polymerase sigma factor SigA × 1 （P0A603） RNA polymerase-binding protein RbpA × 1 （P9WHJ4） Ubiquitin-like protein SMT3,RNA polymerase-binding transcription factor CarD × 1 （P9WJG2,Q12306） DNA (52-MER) × 1 ;RNA (5'-R(PAPGPCPGP*A)-3') ; × 1 DNA (48-MER) × 1 PYROPHOSPHATE 2- × 1 ZINC ION × 2 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPOB_MYCTA
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain C； PDBConstruct 1–1177； UniProt 1–1177

;DNA-directed RNA polymerase subunit beta' ;

Mycobacterium tuberculosis

UniProt P0A675

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Heteromer	Protein 8 DNA 2 RNA 1	DNA-directed RNA polymerase subunit alpha × 2 （A5U8D3） DNA-directed RNA polymerase subunit beta × 1 （A5U052） DNA-directed RNA polymerase subunit omega × 1 （A0A045H2R3） RNA polymerase sigma factor SigA × 1 （P0A603） RNA polymerase-binding protein RbpA × 1 （P9WHJ4） Ubiquitin-like protein SMT3,RNA polymerase-binding transcription factor CarD × 1 （P9WJG2,Q12306） DNA (52-MER) × 1 ;RNA (5'-R(PAPGPCPGP*A)-3') ; × 1 DNA (48-MER) × 1 PYROPHOSPHATE 2- × 1 ZINC ION × 2 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPOC_MYCBO
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain D； PDBConstruct 10–1325； UniProt 1–1316

DNA-directed RNA polymerase subunit omega

Mycobacterium tuberculosis

UniProt A0A045H2R3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Heteromer	Protein 8 DNA 2 RNA 1	DNA-directed RNA polymerase subunit alpha × 2 （A5U8D3） DNA-directed RNA polymerase subunit beta × 1 （A5U052） ;DNA-directed RNA polymerase subunit beta' ; × 1 （P0A675） RNA polymerase sigma factor SigA × 1 （P0A603） RNA polymerase-binding protein RbpA × 1 （P9WHJ4） Ubiquitin-like protein SMT3,RNA polymerase-binding transcription factor CarD × 1 （P9WJG2,Q12306） DNA (52-MER) × 1 ;RNA (5'-R(PAPGPCPGP*A)-3') ; × 1 DNA (48-MER) × 1 PYROPHOSPHATE 2- × 1 ZINC ION × 2 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A045H2R3_MYCTX
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain E； PDBConstruct 1–110； UniProt 1–110

RNA polymerase sigma factor SigA

Mycobacterium tuberculosis

UniProt P0A603

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Heteromer	Protein 8 DNA 2 RNA 1	DNA-directed RNA polymerase subunit alpha × 2 （A5U8D3） DNA-directed RNA polymerase subunit beta × 1 （A5U052） ;DNA-directed RNA polymerase subunit beta' ; × 1 （P0A675） DNA-directed RNA polymerase subunit omega × 1 （A0A045H2R3） RNA polymerase-binding protein RbpA × 1 （P9WHJ4） Ubiquitin-like protein SMT3,RNA polymerase-binding transcription factor CarD × 1 （P9WJG2,Q12306） DNA (52-MER) × 1 ;RNA (5'-R(PAPGPCPGP*A)-3') ; × 1 DNA (48-MER) × 1 PYROPHOSPHATE 2- × 1 ZINC ION × 2 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SIGA_MYCBO
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain F； PDBConstruct 23–550； UniProt 1–528

RNA polymerase-binding protein RbpA

Mycobacterium tuberculosis

UniProt P9WHJ4

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Heteromer	Protein 8 DNA 2 RNA 1	DNA-directed RNA polymerase subunit alpha × 2 （A5U8D3） DNA-directed RNA polymerase subunit beta × 1 （A5U052） ;DNA-directed RNA polymerase subunit beta' ; × 1 （P0A675） DNA-directed RNA polymerase subunit omega × 1 （A0A045H2R3） RNA polymerase sigma factor SigA × 1 （P0A603） Ubiquitin-like protein SMT3,RNA polymerase-binding transcription factor CarD × 1 （P9WJG2,Q12306） DNA (52-MER) × 1 ;RNA (5'-R(PAPGPCPGP*A)-3') ; × 1 DNA (48-MER) × 1 PYROPHOSPHATE 2- × 1 ZINC ION × 2 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RBPA_MYCTO
Isoform	—
PDB entities	6
Chains and sequence ranges	Author chain J； PDBConstruct 1–111； UniProt 1–111

Ubiquitin-like protein SMT3,RNA polymerase-binding transcription factor CarD

Mycobacterium tuberculosis

UniProt P9WJG2

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Heteromer	Protein 8 DNA 2 RNA 1	DNA-directed RNA polymerase subunit alpha × 2 （A5U8D3） DNA-directed RNA polymerase subunit beta × 1 （A5U052） ;DNA-directed RNA polymerase subunit beta' ; × 1 （P0A675） DNA-directed RNA polymerase subunit omega × 1 （A0A045H2R3） RNA polymerase sigma factor SigA × 1 （P0A603） RNA polymerase-binding protein RbpA × 1 （P9WHJ4） DNA (52-MER) × 1 ;RNA (5'-R(PAPGPCPGP*A)-3') ; × 1 DNA (48-MER) × 1 PYROPHOSPHATE 2- × 1 ZINC ION × 2 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CARD_MYCTO
Isoform	—
PDB entities	7
Chains and sequence ranges	Author chain M； PDBConstruct 124–285； UniProt 1–162

Ubiquitin-like protein SMT3,RNA polymerase-binding transcription factor CarD

Mycobacterium tuberculosis

UniProt Q12306

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Heteromer	Protein 8 DNA 2 RNA 1	DNA-directed RNA polymerase subunit alpha × 2 （A5U8D3） DNA-directed RNA polymerase subunit beta × 1 （A5U052） ;DNA-directed RNA polymerase subunit beta' ; × 1 （P0A675） DNA-directed RNA polymerase subunit omega × 1 （A0A045H2R3） RNA polymerase sigma factor SigA × 1 （P0A603） RNA polymerase-binding protein RbpA × 1 （P9WHJ4） DNA (52-MER) × 1 ;RNA (5'-R(PAPGPCPGP*A)-3') ; × 1 DNA (48-MER) × 1 PYROPHOSPHATE 2- × 1 ZINC ION × 2 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SMT3_YEAST
Isoform	—
PDB entities	7
Chains and sequence ranges	Author chain M； PDBConstruct 25–122； UniProt 1–98

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	9e86
Deposition date deposition_date	2024-11-05
Structure title title	De Novo Mycobacterium tuberculosis transcription initiation promoter complex with 5-mer RNA and open Beta' clamp (RNA Polymerase with Sigma-A, CarD, and RbpA)
Keywords keywords	Promoter escape, transcription, De novo, RNA polymerase, Transcription-DNA-RNA complex; Transcription/DNA/RNA
Experimental Method method	ELECTRON MICROSCOPY

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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

9e86__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

9e86__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

9e86__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	51.28 Å
Rg (electron density)	50.69 Å
Total Rg	50.87 Å
Atom count	29207
Residues	3593
Excluded volume	511830 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`9e86__assembly_1__model_1`	11-meric （11）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (13)

Entity 1 Entity 1 polymer

Description description	DNA-directed RNA polymerase subunit alpha
Molecular weight formula_weight	37745.3 kDa
EC 编号 ec_number	2.7.7.6
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	29207

MLISQRPTLSEDVLTDNRSQFVIEPLEPGFGYTLGNSLRRTLLSSIPGAAVTSIRIDGVLHEFTTVPGVKEDVTEIILNLKSLVVSSEEDEPVTMYLRKQGPGEVTAGDIVPPAGVTVHNPGMHIATLNDKGKLEVELVVERGRGYVPAVQNRASGAEIGRIPVDSIYSPVLKVTYKVDATRVEQRTDFDKLILDVETKNSISPRDALASAGKTLVELFGLARELNVEAEGIEIGPSPAEADHIASFALPIDDLDLTVRSYNCLKREGVHTVGELVARTESDLLDIRNFGQKSIDEVKIKLHQLGLSLKDSPPSFDPSEVAGYDVATGTWSTEGAYDEQDYAETEQL

Source Source

Source organism organism	Mycobacterium tuberculosis
NCBI taxonomy ID ncbi_taxonomy_id	1773
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	DNA-directed RNA polymerase subunit beta
Molecular weight formula_weight	129905.7 kDa
EC 编号 ec_number	2.7.7.6
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

MEGCILADSRQSKTAASPSPSRPQSSSNNSVPGAPNRVSFAKLREPLEVPGLLDVQTDSFEWLIGSPRWRESAAERGDVNPVGGLEEVLYELSPIEDFSGSMSLSFSDPRFDDVKAPVDECKDKDMTYAAPLFVTAEFINNNTGEIKSQTVFMGDFPMMTEKGTFIINGTERVVVSQLVRSPGVYFDETIDKSTDKTLHSVKVIPSRGAWLEFDVDKRDTVGVRIDRKRRQPVTVLLKALGWTSEQIVERFGFSEIMRSTLEKDNTVGTDEALLDIYRKLRPGEPPTKESAQTLLENLFFKEKRYDLARVGRYKVNKKLGLHVGEPITSSTLTEEDVVATIEYLVRLHEGQTTMTVPGGVEVPVETDDIDHFGNRRLRTVGELIQNQIRVGMSRMERVVRERMTTQDVEAITPQTLINIRPVVAAIKEFFGTSQLSQFMDQNNPLSGLTHKRRLSALGPGGLSRERAGLEVRDVHPSHYGRMCPIETPEGPNIGLIGSLSVYARVNPFGFIETPYRKVVDGVVSDEIVYLTADEEDRHVVAQANSPIDADGRFVEPRVLVRRKAGEVEYVPSSEVDYMDVSPRQMVSVATAMIPFLEHDDANRALMGANMQRQAVPLVRSEAPLVGTGMELRAAIDAGDVVVAEESGVIEEVSADYITVMHDNGTRRTYRMRKFARSNHGTCANQCPIVDAGDRVEAGQVIADGPCTDDGEMALGKNLLVAIMPWEGHNYEDAIILSNRLVEEDVLTSIHIEEHEIDARDTKLGAEEITRDIPNISDEVLADLDERGIVRIGAEVRDGDILVGKVTPKGETELTPEERLLRAIFGEKAREVRDTSLKVPHGESGKVIGIRVFSREDEDELPAGVNELVRVYVAQKRKISDGDKLAGRHGNKGVIGKILPVEDMPFLADGTPVDIILNTHGVPRRMNIGQILETHLGWCAHSGWKVDAAKGVPDWAARLPDELLEAQPNAIVSTPVFDGAQEAELQGLLSCTLPNRDGDVLVDADGKAMLFDGRSGEPFPYPVTVGYMYIMKLHHLVDDKIHARSTGPYSMITQQPLGGKAQFGGQRFGEMECWAMQAYGAAYTLQELLTIKSDDTVGRVKVYEAIVKGENIPEPGIPESFKVLLKELQSLCLNVEVLSSDGAAIELREGEDEDLERAAANLGINLSRNESASVEDLA

Source Source

Source organism organism	Mycobacterium tuberculosis
NCBI taxonomy ID ncbi_taxonomy_id	1773
Host organism host_organism	Escherichia coli

Entity 3 Entity 3 polymer

Description description	;DNA-directed RNA polymerase subunit beta' ;
Molecular weight formula_weight	148883.0 kDa
EC 编号 ec_number	2.7.7.6
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D

LARHGGSGAMLDVNFFDELRIGLATAEDIRQWSYGEVKKPETINYRTLKPEKDGLFCEKIFGPTRDWECYCGKYKRVRFKGIICERCGVEVTRAKVRRERMGHIELAAPVTHIWYFKGVPSRLGYLLDLAPKDLEKIIYFAAYVITSVDEEMRHNELSTLEAEMAVERKAVEDQRDGELEARAQKLEADLAELEAEGAKADARRKVRDGGEREMRQIRDRAQRELDRLEDIWSTFTKLAPKQLIVDENLYRELVDRYGEYFTGAMGAESIQKLIENFDIDAEAESLRDVIRNGKGQKKLRALKRLKVVAAFQQSGNSPMGMVLDAVPVIPPELRPMVQLDGGRFATSDLNDLYRRVINRNNRLKRLIDLGAPEIIVNNEKRMLQESVDALFDNGRRGRPVTGPGNRPLKSLSDLLKGKQGRFRQNLLGKRVDYSGRSVIVVGPQLKLHQCGLPKLMALELFKPFVMKRLVDLNHAQNIKSAKRMVERQRPQVWDVLEEVIAEHPVLLNRAPTLHRLGIQAFEPMLVEGKAIQLHPLVCEAFNADFDGDQMAVHLPLSAEAQAEARILMLSSNNILSPASGRPLAMPRLDMVTGLYYLTTEVPGDTGEYQPASGDHPETGVYSSPAEAIMAADRGVLSVRAKIKVRLTQLRPPVEIEAELFGHSGWQPGDAWMAETTLGRVMFNELLPLGYPFVNKQMHKKVQAAIINDLAERYPMIVVAQTVDKLKDAGFYWATRSGVTVSMADVLVPPRKKEILDHYEERADKVEKQFQRGALNHDERNEALVEIWKEATDEVGQALREHYPDDNPIITIVDSGATGNFTQTRTLAGMKGLVTNPKGEFIPRPVKSSFREGLTVLEYFINTHGARKGLADTALRTADSGYLTRRLVDVSQDVIVREHDCQTERGIVVELAERAPDGTLIRDPYIETSAYARTLGTDAVDEAGNVIVERGQDLGDPEIDALLAAGITQVKVRSVLTCATSTGVCATCYGRSMATGKLVDIGEAVGIVAAQSIGEPGTQLTMRTFHQGGVGEDITGGLPRVQELFEARVPRGKAPIADVTGRVRLEDGERFYKITIVPDDGGEEVVYDKISKRQRLRVFKHEDGSERVLSDGDHVEVGQQLMEGSADPHEVLRVQGPREVQIHLVREVQEVYRAQGVSIHDKHIEVIVRQMLRRVTIIDSGSTEFLPGSLIDRAEFEAENRRVVAEGGEPAAGRPVLMGITKASLATDSWLSAASFQETTRVLTDAAINCRSDKLNGLKENVIIGKLIPAGTGINRYRNIAVQPTEEARAAAYTIPSYEDQYYSPDFGAATGAAVPLDDYGYSDYRHHHHHHHH

Source Source

Source organism organism	Mycobacterium tuberculosis
NCBI taxonomy ID ncbi_taxonomy_id	1773
Host organism host_organism	Escherichia coli

Entity 4 Entity 4 polymer

Description description	DNA-directed RNA polymerase subunit omega
Molecular weight formula_weight	11851.1 kDa
EC 编号 ec_number	2.7.7.6
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E

MSISQSDASLAAVPAVDQFDPSSGASGGYDTPLGITNPPIDELLDRVSSKYALVIYAAKRARQINDYYNQLGEGILEYVGPLVEPGLQEKPLSIALREIHADLLEHTEGE

Source Source

Source organism organism	Mycobacterium tuberculosis
NCBI taxonomy ID ncbi_taxonomy_id	1773
Host organism host_organism	Escherichia coli

Entity 5 Entity 5 polymer

Description description	RNA polymerase sigma factor SigA
Molecular weight formula_weight	60512.0 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F

HHHHHHHHHHSSGLEVLFQGPHMAATKASTATDEPVKRTATKSPAASASGAKTGAKRTAAKSASGSPPAKRATKPAARSVKPASAPQDTTTSTIPKRKTRAAAKSAAAKAPSARGHATKPRAPKDAQHEAATDPEDALDSVEELDAEPDLDVEPGEDLDLDAADLNLDDLEDDVAPDADDDLDSGDDEDHEDLEAEAAVAPGQTADDDEEIAEPTEKDKASGDFVWDEDESEALRQARKDAELTASADSVRAYLKQIGKVALLNAEEEVELAKRIEAGLYATQLMTELSERGEKLPAAQRRDMMWICRDGDRAKNHLLEANLRLVVSLAKRYTGRGMAFLDLIQEGNLGLIRAVEKFDYTKGYKFSTYATWWIRQAITRAMADQARTIRIPVHMVEVINKLGRIQRELLQDLGREPTPEELAKEMDITPEKVLEIQQYAREPISLDQTIGDEGDSQLGDFIEDSEAVVAVDAVSFTLLQDQLQSVLDTLSEREAGVVRLRFGLTDGQPRTLDEIGQVYGVTRERIRQIESKTMSKLRHPSRSQVLRDYLD

Source Source

Source organism organism	Mycobacterium tuberculosis
NCBI taxonomy ID ncbi_taxonomy_id	1773
Host organism host_organism	Escherichia coli

Entity 6 Entity 6 polymer

Description description	RNA polymerase-binding protein RbpA
Molecular weight formula_weight	12993.7 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	J

MADRVLRGSRLGAVSYETDRNHDLAPRQIARYRTDNGEEFEVPFADDAEIPGTWLCRNGMEGTLIEGDLPEPKKVKPPRTHWDMLLERRSIEELEELLKERLELIRSRRRG

Source Source

Source organism organism	Mycobacterium tuberculosis
NCBI taxonomy ID ncbi_taxonomy_id	1773
Host organism host_organism	Escherichia coli

Entity 7 Entity 7 polymer

Description description	Ubiquitin-like protein SMT3,RNA polymerase-binding transcription factor CarD
Molecular weight formula_weight	32104.2 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	M

MGHHHHHHHHHHSSGHIEGRHMASMSDSEVNQEAKPEVKPEVKPETHINLKVSDGSSEIFFKIKKTTPLRRLMEAFAKRQGKEMDSLRFLYDGIRIQADQTPEDLDMEDNDIIEAHREQIGGSMIFKVGDTVVYPHHGAALVEAIETRTIKGEQKEYLVLKVAQGDLTVRVPAENAEYVGVRDVVGQEGLDKVFQVLRAPHTEEPTNWSRRYKANLEKLASGDVNKVAEVVRDLWRRDQERGLSAGEKRMLAKARQILVGELALAESTDDAKAETILDEVLAAAS

Source Source

Source organism organism	Mycobacterium tuberculosis
NCBI taxonomy ID ncbi_taxonomy_id	1773
Host organism host_organism	Escherichia coli

Entity 8 Entity 8 polymer

Description description	DNA (52-MER)
Molecular weight formula_weight	39318.2 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	N

CTTAAAAGATTAATTTAAAATTTATCAAAAAGAGTATTGACTTAAAGTCTAACCTATAGGATACTTACAGCCAGCGAGAGGGACACGGCGAATAGCCATCCCAATCGACACCGGGGTCGGGATCTGG

Entity 9 Entity 9 polymer

Description description	;RNA (5'-R(PAPGPCPGP*A)-3') ;
Molecular weight formula_weight	6893.2 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	R

AGCGAGAGGGACACGGCGAAU

Entity 10 Entity 10 polymer

Description description	DNA (48-MER)
Molecular weight formula_weight	39053.9 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	T

CCAGATCCCGACCCCGGTGTCGATTGGGATGGCTATTCGCCGTGTCCCTCTCGCTGGCTGTAAGTATCCTATAGGTTAGACTTTAAGTCAATACTCTTTTTGATAAATTTTAAATTAATCTTTTAAG

Entity 11 Entity 11 non-polymer

Description description	PYROPHOSPHATE 2-
Molecular weight formula_weight	176.0 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 12 Entity 12 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 13 Entity 13 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	1

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Resolution resolution	3.80 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	10964

De Novo Mycobacterium tuberculosis transcription initiation promoter complex with 5-mer RNA and open Beta' clamp (RNA Polymerase with Sigma-A, CarD, and RbpA)

1. Protein Identity and Related Structures Protein Identity & Related Structures

DNA-directed RNA polymerase subunit alpha

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

DNA-directed RNA polymerase subunit beta

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

;DNA-directed RNA polymerase subunit beta' ;

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

DNA-directed RNA polymerase subunit omega

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

RNA polymerase sigma factor SigA

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

RNA polymerase-binding protein RbpA

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Ubiquitin-like protein SMT3,RNA polymerase-binding transcription factor CarD

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Ubiquitin-like protein SMT3,RNA polymerase-binding transcription factor CarD

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

9e86__assembly_1__model_1

9e86__assembly_1__model_1 | I(q)

9e86__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (13)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source