6pb4

The E. coli class-II CAP-dependent transcription activation complex with de novo RNA transcript at the state 2

Method: ELECTRON MICROSCOPY

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

DNA-directed RNA polymerase subunit alpha

Escherichia coli

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 8 DNA 2 RNA 1	DNA-directed RNA polymerase subunit beta × 1 （B7MIX3） ;DNA-directed RNA polymerase subunit beta' ; × 1 （P0A8T8） DNA-directed RNA polymerase subunit omega × 1 （B7MFL0） RNA polymerase sigma factor RpoD × 1 （P00579） cAMP-activated global transcriptional regulator CRP × 2 （P0ACK0） SYNTHETIC NONTEMPLATE STRAND DNA (78-MER) × 1 SYNTHETIC TEMPLATE STRAND DNA (78-MER) × 1 Nascent RNA × 1 ZINC ION × 2 MAGNESIUM ION × 1 ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPOA_ECO57
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–329； UniProt 1–329 Author chain B； PDBConstruct 1–329； UniProt 1–329

DNA-directed RNA polymerase subunit beta

Escherichia coli

UniProt B7MIX3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 8 DNA 2 RNA 1	DNA-directed RNA polymerase subunit alpha × 2 （P0A7Z6） ;DNA-directed RNA polymerase subunit beta' ; × 1 （P0A8T8） DNA-directed RNA polymerase subunit omega × 1 （B7MFL0） RNA polymerase sigma factor RpoD × 1 （P00579） cAMP-activated global transcriptional regulator CRP × 2 （P0ACK0） SYNTHETIC NONTEMPLATE STRAND DNA (78-MER) × 1 SYNTHETIC TEMPLATE STRAND DNA (78-MER) × 1 Nascent RNA × 1 ZINC ION × 2 MAGNESIUM ION × 1 ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPOB_ECO45
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain C； PDBConstruct 1–1342； UniProt 1–1342

;DNA-directed RNA polymerase subunit beta' ;

Escherichia coli

UniProt P0A8T8

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 8 DNA 2 RNA 1	DNA-directed RNA polymerase subunit alpha × 2 （P0A7Z6） DNA-directed RNA polymerase subunit beta × 1 （B7MIX3） DNA-directed RNA polymerase subunit omega × 1 （B7MFL0） RNA polymerase sigma factor RpoD × 1 （P00579） cAMP-activated global transcriptional regulator CRP × 2 （P0ACK0） SYNTHETIC NONTEMPLATE STRAND DNA (78-MER) × 1 SYNTHETIC TEMPLATE STRAND DNA (78-MER) × 1 Nascent RNA × 1 ZINC ION × 2 MAGNESIUM ION × 1 ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPOC_ECO57
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain D； PDBConstruct 1–1407； UniProt 1–1407

DNA-directed RNA polymerase subunit omega

Escherichia coli

UniProt B7MFL0

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 8 DNA 2 RNA 1	DNA-directed RNA polymerase subunit alpha × 2 （P0A7Z6） DNA-directed RNA polymerase subunit beta × 1 （B7MIX3） ;DNA-directed RNA polymerase subunit beta' ; × 1 （P0A8T8） RNA polymerase sigma factor RpoD × 1 （P00579） cAMP-activated global transcriptional regulator CRP × 2 （P0ACK0） SYNTHETIC NONTEMPLATE STRAND DNA (78-MER) × 1 SYNTHETIC TEMPLATE STRAND DNA (78-MER) × 1 Nascent RNA × 1 ZINC ION × 2 MAGNESIUM ION × 1 ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPOZ_ECO45
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain E； PDBConstruct 1–91； UniProt 1–91

RNA polymerase sigma factor RpoD

Escherichia coli

UniProt P00579

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 8 DNA 2 RNA 1	DNA-directed RNA polymerase subunit alpha × 2 （P0A7Z6） DNA-directed RNA polymerase subunit beta × 1 （B7MIX3） ;DNA-directed RNA polymerase subunit beta' ; × 1 （P0A8T8） DNA-directed RNA polymerase subunit omega × 1 （B7MFL0） cAMP-activated global transcriptional regulator CRP × 2 （P0ACK0） SYNTHETIC NONTEMPLATE STRAND DNA (78-MER) × 1 SYNTHETIC TEMPLATE STRAND DNA (78-MER) × 1 Nascent RNA × 1 ZINC ION × 2 MAGNESIUM ION × 1 ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPOD_ECOLI
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain F； PDBConstruct 16–628； UniProt 1–613

cAMP-activated global transcriptional regulator CRP

Escherichia coli

UniProt P0ACK0

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 8 DNA 2 RNA 1	DNA-directed RNA polymerase subunit alpha × 2 （P0A7Z6） DNA-directed RNA polymerase subunit beta × 1 （B7MIX3） ;DNA-directed RNA polymerase subunit beta' ; × 1 （P0A8T8） DNA-directed RNA polymerase subunit omega × 1 （B7MFL0） RNA polymerase sigma factor RpoD × 1 （P00579） SYNTHETIC NONTEMPLATE STRAND DNA (78-MER) × 1 SYNTHETIC TEMPLATE STRAND DNA (78-MER) × 1 Nascent RNA × 1 ZINC ION × 2 MAGNESIUM ION × 1 ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CRP_ECO57
Isoform	—
PDB entities	6
Chains and sequence ranges	Author chain G； PDBConstruct 1–210； UniProt 1–210 Author chain H； PDBConstruct 1–210； UniProt 1–210

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	6pb4
Deposition date deposition_date	2019-06-13
Structure title title	The E. coli class-II CAP-dependent transcription activation complex with de novo RNA transcript at the state 2
Keywords keywords	class-II, transcription activation complex, CAP-dependent, de novo RNA synthesis, TRANSCRIPTION, 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.

6pb4__assembly_1__model_1

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

Download this curve (.dat)

6pb4__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6pb4__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	59.25 Å
Rg (electron density)	58.20 Å
Total Rg	58.43 Å
Atom count	69953
Residues	4249
Excluded volume	622210 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6pb4__assembly_1__model_1`	undecameric （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 (12)

Entity 1 Entity 1 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	A,B
Atom count atom_count	69953

MQGSVTEFLKPRLVDIEQVSSTHAKVTLEPLERGFGHTLGNALRRILLSSMPGCAVTEVEIDGVLHEYSTKEGVQEDILEILLNLKGLAVRVQGKDEVILTLNKSGIGPVTAADITHDGDVEIVKPQHVICHLTDENASISMRIKVQRGRGYVPASTRIHSEEDERPIGRLLVDACYSPVERIAYNVEAARVEQRTDLDKLVIEMETNGTIDPEEAIRRAATILAEQLEAFVDLRDVRQPEVKEEKPEFDPILLRPVDDLELTVRSANCLKAEAIHYIGDLVQRTEVELLKTPNLGKKSLTEIKDVLASRGLSLGMRLENWPPASIADE

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 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	C

MVYSYTEKKRIRKDFGKRPQVLDVPYLLSIQLDSFQKFIEQDPEGQYGLEAAFRSVFPIQSYSGNSELQYVSYRLGEPVFDVQECQIRGVTYSAPLRVKLRLVIYEREAPEGTVKDIKEQEVYMGEIPLMTDNGTFVINGTERVIVSQLHRSPGVFFDSDKGKTHSSGKVLYNARIIPYRGSWLDFEFDPKDNLFVRIDRRRKLPATIILRALNYTTEQILDLFFEKVIFEIRDNKLQMELVPERLRGETASFDIEANGKVYVEKGRRITARHIRQLEKDDVKLIEVPVEYIAGKVVAKDYIDESTGELICAANMELSLDLLAKLSQSGHKRIETLFTNDLDHGPYISETLRVDPTNDRLSALVEIYRMMRPGEPPTREAAESLFENLFFSEDRYDLSAVGRMKFNRSLLREEIEGSGILSKDDIIDVMKKLIDIRNGKGEVDDIDHLGNRRIRSVGEMAENQFRVGLVRVERAVKERLSLGDLDTLMPQDMINAKPISAAVKEFFGSSQLSQFMDQNNPLSEITHKRRISALGPGGLTRERAGFEVRDVHPTHYGRVCPIETPEGPNIGLINSLSVYAQTNEYGFLETPYRKVTDGVVTDEIHYLSAIEEGNYVIAQANSNLDEEGHFVEDLVTCRSKGESSLFSRDQVDYMDVSTQQVVSVGASLIPFLEHDDANRALMGANMQRQAVPTLRADKPLVGTGMERAVAVDSGVTAVAKRGGVVQYVDASRIVIKVNEDEMYPGEAGIDIYNLTKYTRSNQNTCINQMPCVSLGEPVERGDVLADGPSTDLGELALGQNMRVAFMPWNGYNFEDSILVSERVVQEDRFTTIHIQELACVSRDTKLGPEEITADIPNVGEAALSKLDESGIVYIGAEVTGGDILVGKVTPKGETQLTPEEKLLRAIFGEKASDVKDSSLRVPNGVSGTVIDVQVFTRDGVEKDKRALEIEEMQLKQAKKDLSEELQILEAGLFSRIRAVLVAGGVEAEKLDKLPRDRWLELGLTDEEKQNQLEQLAEQYDELKHEFEKKLEAKRRKITQGDDLAPGVLKIVKVYLAVKRRIQPGDKMAGRHGNKGVISKINPIEDMPYDENGTPVDIVLNPLGVPSRMNIGQILETHLGMAAKGIGDKINAMLKQQQEVAKLREFIQRAYDLGADVRQKVDLSTFSDEEVMRLAENLRKGMPIATPVFDGAKEAEIKELLKLGDLPTSGQIRLYDGRTGEQFERPVTVGYMYMLKLNHLVDDKMHARSTGSYSLVTQQPLGGKAQFGGQRFGEMEVWALEAYGAAYTLQEMLTVKSDDVNGRTKMYKNIVDGNHQMEPGMPESFNVLLKEIRSLGINIELEDE

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	Escherichia coli

Entity 3 Entity 3 polymer

Description description	;DNA-directed RNA polymerase subunit beta' ;
Molecular weight formula_weight	155366.8 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

MKDLLKFLKAQTKTEEFDAIKIALASPDMIRSWSFGEVKKPETINYRTFKPERDGLFCARIFGPVKDYECLCGKYKRLKHRGVICEKCGVEVTQTKVRRERMGHIELASPTAHIWFLKSLPSRIGLLLDMPLRDIERVLYFESYVVIEGGMTNLERQQILTEEQYLDALEEFGDEFDAKMGAEAIQALLKSMDLEQECEQLREELNETNSETKRKKLTKRIKLLEAFVQSGNKPEWMILTVLPVLPPDLRPLVPLDGGRFATSDLNDLYRRVINRNNRLKRLLDLAAPDIIVRNEKRMLQEAVDALLDNGRRGRAITGSNKRPLKSLADMIKGKQGRFRQNLLGKRVDYSGRSVITVGPYLRLHQCGLPKKMALELFKPFIYGKLELRGLATTIKAAKKMVEREEAVVWDILDEVIREHPVLLNRAPTLHRLGIQAFEPVLIEGKAIQLHPLVCAAYNADFDGDQMAVHVPLTLEAQLEARALMMSTNNILSPANGEPIIVPSQDVVLGLYYMTRDCVNAKGEGMVLTGPKEAERLYRSGLASLHARVKVRITEYEKDANGELVAKTSLKDTTVGRAILWMIVPKGLPYSIVNQALGKKAISKMLNTCYRILGLKPTVIFADQIMYTGFAYAARSGASVGIDDMVIPEKKHEIISEAEAEVAEIQEQFQSGLVTAGERYNKVIDIWAAANDRVSKAMMDNLQTETVINRDGQEEKQVSFNSIYMMADSGARGSAAQIRQLAGMRGLMAKPDGSIIETPITANFREGLNVLQYFISTHGARKGLADTALKTANSGYLTRRLVDVAQDLVVTEDDCGTHEGIMMTPVIEGGDVKEPLRDRVLGRVTAEDVLKPGTADILVPRNTLLHEQWCDLLEENSVDAVKVRSVVSCDTDFGVCAHCYGRDLARGHIINKGEAIGVIAAQSIGEPGTQLTMRTFHIGGAASRAAAESSIQVKNKGSIKLSNVKSVVNSSGKLVITSRNTELKLIDEFGRTKESYKVPYGAVLAKGDGEQVAGGETVANWDPHTMPVITEVSGFVRFTDMIDGQTITRQTDELTGLSSLVVLDSAERTAGGKDLRPALKIVDAQGNDVLIPGTDMPAQYFLPGKAIVQLEDGVQISSGDTLARIPQESGGTKDITGGLPRVADLFEARRPKEPAILAEISGIVSFGKETKGKRRLVITPVDGSDPYEEMIPKWRQLNVFEGERVERGDVISDGPEAPHDILRLRGVHAVTRYIVNEVQDVYRLQGVKINDKHIEVIVRQMLRKATIVNAGSSDFLEGEQVEYSRVKIANRELEANGKVGATYSRDLLGITKASLATESFISAASFQETTRVLTEAAVAGKRDELRGLKENVIVGRLIPAGTGYAYHQDRMRRRAAGEAPAAPQVTAEDASASLAELLNAGLGGSDNE

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	Escherichia coli

Entity 4 Entity 4 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	E

MARVTVQDAVEKIGNRFDLVLVAARRARQMQVGGKDPLVPEENDKTTVIALREIEEGLINNQILDVRERQEQQEQEAAELQAVTAIAEGRR

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	Escherichia coli

Entity 5 Entity 5 polymer

Description description	RNA polymerase sigma factor RpoD
Molecular weight formula_weight	72206.3 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F

MRGSHHHHHHTDQFTMEQNPQSQLKLLVTRGKEQGYLTYAEVNDHLPEDIVDSDQIEDIIQMINDMGIQVMEEAPDADDLMLAENTADEDAAEAAAQVLSSVESEIGRTTDPVRMYMREMGTVELLTREGEIDIAKRIEDGINQVQCSVAEYPEAITYLLEQYDRVEAEEARLSDLITGFVDPNAEEDLAPTATHVGSELSQEDLDDDEDEDEEDGDDDSADDDNSIDPELAREKFAELRAQYVVTRDTIKAKGRSHATAQEEILKLSEVFKQFRLVPKQFDYLVNSMRVMMDRVRTQERLIMKLCVEQCKMPKKNFITLFTGNETSDTWFNAAIAMNKPWSEKLHDVSEEVHRALQKLQQIEEETGLTIEQVKDINRRMSIGEAKARRAKKEMVEANLRLVISIAKKYTNRGLQFLDLIQEGNIGLMKAVDKFEYRRGYKFSTYATWWIRQAITRSIADQARTIRIPVHMIETINKLNRISRQMLQEMGREPTPEELAERMLMPEDKIRKVLKIAKEPISMETPIGDDEDSHLGDFIEDTTLELPLDSATTESLRAATHDVLAGLTAREAKVLRMRFGIDMNTDYTLEEVGKQFDVTRERIRQIEAKALRKLRHPSRSEVLRSFLDD

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	Escherichia coli

Entity 6 Entity 6 polymer

Description description	cAMP-activated global transcriptional regulator CRP
Molecular weight formula_weight	23672.4 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G,H

MVLGKPQTDPTLEWFLSHCHIHKYPSKSTLIHQGEKAETLYYIVKGSVAVLIKDEEGKEMILSYLNQGDFIGELGLFEEGQERSAWVRAKTACEVAEISYKKFRQLIQVNPDILMRLSAQMARRLQVTSEKVGNLAFLDVTGRIAQTLLNLAKQPDAMTHPDGMQIKITRQEIGQIVGCSRETVGRILKMLEDQNLISAHGKTIVVYGTR

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	Escherichia coli

Entity 7 Entity 7 polymer

Description description	SYNTHETIC NONTEMPLATE STRAND DNA (78-MER)
Molecular weight formula_weight	23976.3 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	1

CTTTTTTGCCTAAAATGTGATCTAGATCACATTTTTCGCATCTTTTTTATGCTATAATGTGTGCAGTCTGACGCGGCG

Entity 8 Entity 8 polymer

Description description	SYNTHETIC TEMPLATE STRAND DNA (78-MER)
Molecular weight formula_weight	24191.6 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	2

CGCCGCGTCAGACTCGTAGGATTATAGCATAAAAAAGATGCGAAAAATGTGATCTAGATCACATTTTAGGCAAAAAAG

Entity 9 Entity 9 polymer

Description description	Nascent RNA
Molecular weight formula_weight	1134.6 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	3

GAG

Entity 10 Entity 10 non-polymer

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

Entity 11 Entity 11 non-polymer

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

Entity 12 Entity 12 non-polymer

Description description	ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE
Molecular weight formula_weight	329.2 kDa
Source method src_method	syn
Copy count entity_count	2

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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	4.35 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	33455

The E. coli class-II CAP-dependent transcription activation complex with de novo RNA transcript at the state 2

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 RpoD

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

cAMP-activated global transcriptional regulator CRP

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

6pb4__assembly_1__model_1

6pb4__assembly_1__model_1 | I(q)

6pb4__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 (12)

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

Entity 5 Entity 5 polymer

Polymer Polymer

Source Source

Entity 6 Entity 6 polymer

Polymer Polymer

Source Source

Entity 7 Entity 7 polymer

Polymer Polymer