6z9p

Transcription termination intermediate complex 1

Method: ELECTRON MICROSCOPY

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

Transcription termination/antitermination protein NusG

Escherichia coli

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 13 DNA 2 RNA 1	Transcription termination factor Rho × 6 （P0AG30） Transcription termination/antitermination protein NusA × 1 （C3SSN7） DNA-directed RNA polymerase subunit alpha × 2 （P0A7Z4） DNA-directed RNA polymerase subunit omega × 1 （P0A800） DNA-directed RNA polymerase subunit beta × 1 （P0A8V4） ;DNA-directed RNA polymerase subunit beta' ; × 1 （C3SIA2） non template strand × 1 template strand × 1 rut RNA × 1 BERYLLIUM TRIFLUORIDE ION × 5 ADENOSINE-5'-DIPHOSPHATE × 5 MAGNESIUM ION × 6 ZINC ION × 2 water × 5	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	C3SID2_ECOLX
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain G； PDBConstruct 1–181； UniProt 1–181

Transcription termination factor Rho

Escherichia coli

UniProt P0AG30

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 13 DNA 2 RNA 1	Transcription termination/antitermination protein NusG × 1 （C3SID2） Transcription termination/antitermination protein NusA × 1 （C3SSN7） DNA-directed RNA polymerase subunit alpha × 2 （P0A7Z4） DNA-directed RNA polymerase subunit omega × 1 （P0A800） DNA-directed RNA polymerase subunit beta × 1 （P0A8V4） ;DNA-directed RNA polymerase subunit beta' ; × 1 （C3SIA2） non template strand × 1 template strand × 1 rut RNA × 1 BERYLLIUM TRIFLUORIDE ION × 5 ADENOSINE-5'-DIPHOSPHATE × 5 MAGNESIUM ION × 6 ZINC ION × 2 water × 5	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RHO_ECOLI
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain a； PDBConstruct 1–419； UniProt 1–419 Author chain b； PDBConstruct 1–419； UniProt 1–419 Author chain c； PDBConstruct 1–419； UniProt 1–419 Author chain d； PDBConstruct 1–419； UniProt 1–419 Author chain e； PDBConstruct 1–419； UniProt 1–419 Author chain f； PDBConstruct 1–419； UniProt 1–419

Transcription termination/antitermination protein NusA

Escherichia coli

UniProt C3SSN7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 13 DNA 2 RNA 1	Transcription termination/antitermination protein NusG × 1 （C3SID2） Transcription termination factor Rho × 6 （P0AG30） DNA-directed RNA polymerase subunit alpha × 2 （P0A7Z4） DNA-directed RNA polymerase subunit omega × 1 （P0A800） DNA-directed RNA polymerase subunit beta × 1 （P0A8V4） ;DNA-directed RNA polymerase subunit beta' ; × 1 （C3SIA2） non template strand × 1 template strand × 1 rut RNA × 1 BERYLLIUM TRIFLUORIDE ION × 5 ADENOSINE-5'-DIPHOSPHATE × 5 MAGNESIUM ION × 6 ZINC ION × 2 water × 5	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	C3SSN7_ECOLX
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain A； PDBConstruct 3–497； UniProt 1–495

DNA-directed RNA polymerase subunit alpha

Escherichia coli

UniProt P0A7Z4

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 13 DNA 2 RNA 1	Transcription termination/antitermination protein NusG × 1 （C3SID2） Transcription termination factor Rho × 6 （P0AG30） Transcription termination/antitermination protein NusA × 1 （C3SSN7） DNA-directed RNA polymerase subunit omega × 1 （P0A800） DNA-directed RNA polymerase subunit beta × 1 （P0A8V4） ;DNA-directed RNA polymerase subunit beta' ; × 1 （C3SIA2） non template strand × 1 template strand × 1 rut RNA × 1 BERYLLIUM TRIFLUORIDE ION × 5 ADENOSINE-5'-DIPHOSPHATE × 5 MAGNESIUM ION × 6 ZINC ION × 2 water × 5	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPOA_ECOLI
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain U； PDBConstruct 1–329； UniProt 1–329 Author chain V； PDBConstruct 1–329； UniProt 1–329

DNA-directed RNA polymerase subunit omega

Escherichia coli

UniProt P0A800

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 13 DNA 2 RNA 1	Transcription termination/antitermination protein NusG × 1 （C3SID2） Transcription termination factor Rho × 6 （P0AG30） Transcription termination/antitermination protein NusA × 1 （C3SSN7） DNA-directed RNA polymerase subunit alpha × 2 （P0A7Z4） DNA-directed RNA polymerase subunit beta × 1 （P0A8V4） ;DNA-directed RNA polymerase subunit beta' ; × 1 （C3SIA2） non template strand × 1 template strand × 1 rut RNA × 1 BERYLLIUM TRIFLUORIDE ION × 5 ADENOSINE-5'-DIPHOSPHATE × 5 MAGNESIUM ION × 6 ZINC ION × 2 water × 5	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPOZ_ECOLI
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain W； PDBConstruct 1–91； UniProt 1–91

DNA-directed RNA polymerase subunit beta

Escherichia coli

UniProt P0A8V4

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 13 DNA 2 RNA 1	Transcription termination/antitermination protein NusG × 1 （C3SID2） Transcription termination factor Rho × 6 （P0AG30） Transcription termination/antitermination protein NusA × 1 （C3SSN7） DNA-directed RNA polymerase subunit alpha × 2 （P0A7Z4） DNA-directed RNA polymerase subunit omega × 1 （P0A800） ;DNA-directed RNA polymerase subunit beta' ; × 1 （C3SIA2） non template strand × 1 template strand × 1 rut RNA × 1 BERYLLIUM TRIFLUORIDE ION × 5 ADENOSINE-5'-DIPHOSPHATE × 5 MAGNESIUM ION × 6 ZINC ION × 2 water × 5	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPOB_ECO57
Isoform	—
PDB entities	6
Chains and sequence ranges	Author chain X； PDBConstruct 1–1342； UniProt 1–1342

;DNA-directed RNA polymerase subunit beta' ;

Escherichia coli

UniProt C3SIA2

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 13 DNA 2 RNA 1	Transcription termination/antitermination protein NusG × 1 （C3SID2） Transcription termination factor Rho × 6 （P0AG30） Transcription termination/antitermination protein NusA × 1 （C3SSN7） DNA-directed RNA polymerase subunit alpha × 2 （P0A7Z4） DNA-directed RNA polymerase subunit omega × 1 （P0A800） DNA-directed RNA polymerase subunit beta × 1 （P0A8V4） non template strand × 1 template strand × 1 rut RNA × 1 BERYLLIUM TRIFLUORIDE ION × 5 ADENOSINE-5'-DIPHOSPHATE × 5 MAGNESIUM ION × 6 ZINC ION × 2 water × 5	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	C3SIA2_ECOLX
Isoform	—
PDB entities	7
Chains and sequence ranges	Author chain Y； PDBConstruct 1–1407； UniProt 1–1407

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	6z9p
Deposition date deposition_date	2020-06-04
Structure title title	Transcription termination intermediate complex 1
Keywords keywords	Termination, Helicase, RNA Polymerase, TRANSCRIPTION; TRANSCRIPTION
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.

6z9p__assembly_1__model_1

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

Download this curve (.dat)

6z9p__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6z9p__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	65.43 Å
Rg (electron density)	65.48 Å
Total Rg	65.57 Å
Atom count	52243
Residues	6519
Excluded volume	925760 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6z9p__assembly_1__model_1`	hexadecameric （16）	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 (15)

Entity 1 Entity 1 polymer

Description description	Transcription termination/antitermination protein NusG
Molecular weight formula_weight	20560.5 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G
Atom count atom_count	52258

MSEAPKKRWYVVQAFSGFEGRVATSLREHIKLHNMEDLFGEVMVPTEEVVEIRGGQRRKSERKFFPGYVLVQMVMNDASWHLVRSVPRVMGFIGGTSDRPAPISDKEVDAIMNRLQQVGDKPRPKTLFEPGEMVRVNDGPFADFNGVVEEVDYEKSRLKVSVSIFGRATPVELDFSQVEKA

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	;Escherichia coli 'BL21-Gold(DE3)pLysS AG' ;

Entity 2 Entity 2 polymer

Description description	Transcription termination factor Rho
Molecular weight formula_weight	47070.2 kDa
EC 编号 ec_number	3.6.4.-
Source method src_method	man
Copy count entity_count	6

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	a,b,c,d,e,f

MNLTELKNTPVSELITLGENMGLENLARMRKQDIIFAILKQHAKSGEDIFGDGVLEILQDGFGFLRSADSSYLAGPDDIYVSPSQIRRFNLRTGDTISGKIRPPKEGERYFALLKVNEVNFDKPENARNKILFENLTPLHANSRLRMERGNGSTEDLTARVLDLASPIGRGQRGLIVAPPKAGKTMLLQNIAQSIAYNHPDCVLMVLLIDERPEEVTEMQRLVKGEVVASTFDEPASRHVQVAEMVIEKAKRLVEHKKDVIILLDSITRLARAYNTVVPASGKVLTGGVDANALHRPKRFFGAARNVEEGGSLTIIATALIDTGSKMDEVIYEEFKGTGNMELHLSRKIAEKRVFPAIDYNRSGTRKEELLTTQEELQKMWILRKIIHPMGEIDAMEFLINKLAMTKTNDDFFEMMKRS

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	;Escherichia coli 'BL21-Gold(DE3)pLysS AG' ;

Entity 3 Entity 3 polymer

Description description	Transcription termination/antitermination protein NusA
Molecular weight formula_weight	55060.8 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A

GAMNKEILAVVEAVSNEKALPREKIFEALESALATATKKKYEQEIDVRVQIDRKSGDFDTFRRWLVVDEVTQPTKEITLEAARYEDESLNLGDYVEDQIESVTFDRITTQTAKQVIVQKVREAERAMVVDQFREHEGEIITGVVKKVNRDNISLDLGNNAEAVILREDMLPRENFRPGDRVRGVLYSVRPEARGAQLFVTRSKPEMLIELFRIEVPEIGEEVIEIKAAARDPGSRAKIAVKTNDKRIDPVGACVGMRGARVQAVSTELGGERIDIVLWDDNPAQFVINAMAPADVASIVVDEDKHTMDIAVEAGNLAQAIGRNGQNVRLASQLSGWELNVMTVDDLQAKHQAEAHAAIDTFTKYLDIDEDFATVLVEEGFSTLEELAYVPMKELLEIEGLDEPTVEALRERAKNALATIAQAQEESLGDNKPADDLLNLEGVDRDLAFKLAARGVCTLEDLAEQGIDDLADIEGLTDEKAGALIMAARNICWFGDEA

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	;Escherichia coli 'BL21-Gold(DE3)pLysS AG' ;

Entity 4 Entity 4 polymer

Description description	DNA-directed RNA polymerase subunit alpha
Molecular weight formula_weight	36558.7 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	U,V

MQGSVTEFLKPRLVDIEQVSSTHAKVTLEPLERGFGHTLGNALRRILLSSMPGCAVTEVEIDGVLHEYSTKEGVQEDILEILLNLKGLAVRVQGKDEVILTLNKSGIGPVTAADITHDGDVEIVKPQHVICHLTDENASISMRIKVQRGRGYVPASTRIHSEEDERPIGRLLVDACYSPVERIAYNVEAARVEQRTDLDKLVIEMETNGTIDPEEAIRRAATILAEQLEAFVDLRDVRQPEVKEEKPEFDPILLRPVDDLELTVRSANCLKAEAIHYIGDLVQRTEVELLKTPNLGKKSLTEIKDVLASRGLSLGMRLENWPPASIADE

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	;Escherichia coli 'BL21-Gold(DE3)pLysS AG' ;

Entity 5 Entity 5 polymer

Description description	DNA-directed RNA polymerase subunit omega
Molecular weight formula_weight	10249.5 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	W

MARVTVQDAVEKIGNRFDLVLVAARRARQMQVGGKDPLVPEENDKTTVIALREIEEGLINNQILDVRERQEQQEQEAAELQAVTAIAEGRR

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	;Escherichia coli 'BL21-Gold(DE3)pLysS AG' ;

Entity 6 Entity 6 polymer

Description description	DNA-directed RNA polymerase subunit beta
Molecular weight formula_weight	150820.9 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	X

MVYSYTEKKRIRKDFGKRPQVLDVPYLLSIQLDSFQKFIEQDPEGQYGLEAAFRSVFPIQSYSGNSELQYVSYRLGEPVFDVQECQIRGVTYSAPLRVKLRLVIYEREAPEGTVKDIKEQEVYMGEIPLMTDNGTFVINGTERVIVSQLHRSPGVFFDSDKGKTHSSGKVLYNARIIPYRGSWLDFEFDPKDNLFVRIDRRRKLPATIILRALNYTTEQILDLFFEKVIFEIRDNKLQMELVPERLRGETASFDIEANGKVYVEKGRRITARHIRQLEKDDVKLIEVPVEYIAGKVVAKDYIDESTGELICAANMELSLDLLAKLSQSGHKRIETLFTNDLDHGPYISETLRVDPTNDRLSALVEIYRMMRPGEPPTREAAESLFENLFFSEDRYDLSAVGRMKFNRSLLREEIEGSGILSKDDIIDVMKKLIDIRNGKGEVDDIDHLGNRRIRSVGEMAENQFRVGLVRVERAVKERLSLGDLDTLMPQDMINAKPISAAVKEFFGSSQLSQFMDQNNPLSEITHKRRISALGPGGLTRERAGFEVRDVHPTHYGRVCPIETPEGPNIGLINSLSVYAQTNEYGFLETPYRKVTDGVVTDEIHYLSAIEEGNYVIAQANSNLDEEGHFVEDLVTCRSKGESSLFSRDQVDYMDVSTQQVVSVGASLIPFLEHDDANRALMGANMQRQAVPTLRADKPLVGTGMERAVAVDSGVTAVAKRGGVVQYVDASRIVIKVNEDEMYPGEAGIDIYNLTKYTRSNQNTCINQMPCVSLGEPVERGDVLADGPSTDLGELALGQNMRVAFMPWNGYNFEDSILVSERVVQEDRFTTIHIQELACVSRDTKLGPEEITADIPNVGEAALSKLDESGIVYIGAEVTGGDILVGKVTPKGETQLTPEEKLLRAIFGEKASDVKDSSLRVPNGVSGTVIDVQVFTRDGVEKDKRALEIEEMQLKQAKKDLSEELQILEAGLFSRIRAVLVAGGVEAEKLDKLPRDRWLELGLTDEEKQNQLEQLAEQYDELKHEFEKKLEAKRRKITQGDDLAPGVLKIVKVYLAVKRRIQPGDKMAGRHGNKGVISKINPIEDMPYDENGTPVDIVLNPLGVPSRMNIGQILETHLGMAAKGIGDKINAMLKQQQEVAKLREFIQRAYDLGADVRQKVDLSTFSDEEVMRLAENLRKGMPIATPVFDGAKEAEIKELLKLGDLPTSGQIRLYDGRTGEQFERPVTVGYMYMLKLNHLVDDKMHARSTGSYSLVTQQPLGGKAQFGGQRFGEMEVWALEAYGAAYTLQEMLTVKSDDVNGRTKMYKNIVDGNHQMEPGMPESFNVLLKEIRSLGINIELEDE

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	;Escherichia coli 'BL21-Gold(DE3)pLysS AG' ;

Entity 7 Entity 7 polymer

Description description	;DNA-directed RNA polymerase subunit beta' ;
Molecular weight formula_weight	156537.0 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	Y

MKDLLKFLKAQTKTEEFDAIKIALASPDMIRSWSFGEVKKPETINYRTFKPERDGLFCARIFGPVKDYECLCGKYKRLKHRGVICEKCGVEVTQTKVRRERMGHIELASPTAHIWFLKSLPSRIGLLLDMPLRDIERVLYFESYVVIEGGMTNLERQQILTEEQYLDALEEFGDEFDAKMGAEAIQALLKSMDLEQECEQLREELNETNSETKRKKLTKRIKLLEAFVQSGNKPEWMILTVLPVLPPDLRPLVPLDGGRFATSDLNDLYRRVINRNNRLKRLLDLAAPDIIVRNEKRMLQEAVDALLDNGRRGRAITGSNKRPLKSLADMIKGKQGRFRQNLLGKRVDYSGRSVITVGPYLRLHQCGLPKKMALELFKPFIYGKLELRGLATTIKAAKKMVEREEAVVWDILDEVIREHPVLLNRAPTLHRLGIQAFEPVLIEGKAIQLHPLVCAAYNADFDGDQMAVHVPLTLEAQLEARALMMSTNNILSPANGEPIIVPSQDVVLGLYYMTRDCVNAKGEGMVLTGPKEAERLYRSGLASLHARVKVRITEYEKDANGELVAKTSLKDTTVGRAILWMIVPKGLPYSIVNQALGKKAISKMLNTCYRILGLKPTVIFADQIMYTGFAYAARSGASVGIDDMVIPEKKHEIISEAEAEVAEIQEQFQSGLVTAGERYNKVIDIWAAANDRVSKAMMDNLQTETVINRDGQEEKQVSFNSIYMMADSGARGSAAQIRQLAGMRGLMAKPDGSIIETPITANFREGLNVLQYFISTHGARKGLADTALKTANSGYLTRRLVDVAQDLVVTEDDCGTHEGIMMTPVIEGGDVKEPLRDRVLGRVTAEDVLKPGTADILVPRNTLLHEQWCDLLEENSVDAVKVRSVVSCDTDFGVCAHCYGRDLARGHIINKGEAIGVIAAQSIGEPGTQLTMRTFHIGGAASRAAAESSIQVKNKGSIKLSNVKSVVNSSGKLVITSRNTELKLIDEFGRTKESYKVPYGAVLAKGDGEQVAGGETVANWDPHTMPVITEVSGFVRFTDMIDGQTITRQTDELTGLSSLVVLDSAERTAGGKDLRPALKIVDAQGNDVLIPGTDMPAQYFLPGKAIVQLEDGVQISSGDTLARIPQESGGTKDITGGLPRVADLFEARRPKEPAILAEISGIVSFGKETKGKRRLVITPVDGSDPYEEMIPKWRQLNVFEGERVERGDVISDGPEAPHDILRLRGVHAVTRYIVNEVQDVYRLQGVKINDKHIEVIVRQMLRKATIVNAGSSDFLEGEQVEYSRVKIANRELEANGKVGATYSRDLLGITKASLATESFISAASFQETTRVLTEAAVAGKRDELRGLKENVIVGRLIPAGTGYAYHQDRMRRRAAGEAPAAPQVTAEDASASLAELLNAGLGGSDNELEVHHHHHH

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	;Escherichia coli 'BL21-Gold(DE3)pLysS AG' ;

Entity 8 Entity 8 polymer

Description description	non template strand
Molecular weight formula_weight	15542.0 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	K

GGGCTGCGAATAACGGCCGAGCAGCGTAGCATTACTTGTGAGCGGATAAC

Entity 9 Entity 9 polymer

Description description	template strand
Molecular weight formula_weight	15540.9 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	L

GTTATCCGCTCACAATGCCACACGCGCTGCTCGGCCGTTATTCGCAGCCCG

Entity 10 Entity 10 polymer

Description description	rut RNA
Molecular weight formula_weight	31693.9 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	R

GGGAUAACCCCGCUCUUACACAUUCCAGCCCUGAAAAAGGGCAUCAAAUUAAACCACACCUAUGGUGUAUGUCAAAUUAAACCACACCUGGCGUGUGGC

Entity 11 Entity 11 non-polymer

Description description	BERYLLIUM TRIFLUORIDE ION
Molecular weight formula_weight	66.0 kDa
Source method src_method	syn
Copy count entity_count	5

Entity 12 Entity 12 non-polymer

Description description	ADENOSINE-5'-DIPHOSPHATE
Molecular weight formula_weight	427.2 kDa
Source method src_method	syn
Copy count entity_count	5

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	6

Entity 14 Entity 14 non-polymer

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

Entity 15 Entity 15 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	15

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6. Fold Classification (SCOP + CATH) 13 domains

CATH v4.4 (13 domains)

Domain ID domain_id	6z9pA01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1480 — N Utilization Substance Protein A; Chain:P; domain 4
Homologous superfamily homologous superfamily	10 — NusA, N-terminal domain

Domain ID domain_id	6z9pA02
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Homologous superfamily homologous superfamily	140 — Nucleic acid-binding proteins

Domain ID domain_id	6z9pA03
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	150 — DNA polymerase; domain 1
Homologous superfamily homologous superfamily	20 — 5' to 3' exonuclease, C-terminal subdomain

Domain ID domain_id	6z9pA04
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	150 — DNA polymerase; domain 1
Homologous superfamily homologous superfamily	20 — 5' to 3' exonuclease, C-terminal subdomain

Domain ID domain_id	6z9pU01
Class class	2 — Mainly Beta
Architecture architecture	170 — Beta Complex
Topology topology	120 — RNA Polymerase Alpha Subunit; Chain A, domain 2
Homologous superfamily homologous superfamily	12 — DNA-directed RNA polymerase, insert domain

Domain ID domain_id	6z9pV01
Class class	2 — Mainly Beta
Architecture architecture	170 — Beta Complex
Topology topology	120 — RNA Polymerase Alpha Subunit; Chain A, domain 2
Homologous superfamily homologous superfamily	12 — DNA-directed RNA polymerase, insert domain

Domain ID domain_id	6z9pY01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	132 — Topoisomerase I; Chain A, domain 4
Homologous superfamily homologous superfamily	30 — RNA polymerase Rpb1 funnel domain

Domain ID domain_id	6z9pa01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	6z9pb01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	6z9pc01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	6z9pd01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	6z9pe01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	6z9pf01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

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Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	—

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	—

Resolution resolution	3.90 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	50910

Transcription termination intermediate complex 1

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

Transcription termination/antitermination protein NusG

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Transcription termination factor Rho

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Transcription termination/antitermination protein NusA

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 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 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

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

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

6z9p__assembly_1__model_1

6z9p__assembly_1__model_1 | I(q)

6z9p__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (15)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 polymer

Polymer Polymer

Source Source

Entity 4 Entity 4 polymer

Polymer Polymer

Source Source