3how

Complete RNA polymerase II elongation complex III with a T-U mismatch and a frayed RNA 3'-uridine

Method: X-RAY DIFFRACTION

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

DNA-directed RNA polymerase II subunit RPB1

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 12 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB2 × 1 （P08518） DNA-directed RNA polymerase II subunit RPB3 × 1 （P16370） DNA-directed RNA polymerase II subunit RPB4 × 1 （P20433） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P20434） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P20435） DNA-directed RNA polymerase II subunit RPB7 × 1 （P34087） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P20436） DNA-directed RNA polymerase II subunit RPB9 × 1 （P27999） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P22139） DNA-directed RNA polymerase II subunit RPB11 × 1 （P38902） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P40422） 5'-D(APCPTPAPCPTPTPGPAPGPCPT)-3' × 1 5'-D(APGPCPTPCAPAPGPTPAPGPTPTPAPTPGPCPCP(BRU)PGPGPTPCPAPTPT)-3' × 1 5'-R(UPGPCPAPUPUPUCPAPAPCPCPAPGPGPCPUPU)-3' × 1 ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPB1_YEAST
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–1733； UniProt 1–1733

DNA-directed RNA polymerase II subunit RPB2

OrganismNot specified

UniProt P08518

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 12 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P04050） DNA-directed RNA polymerase II subunit RPB3 × 1 （P16370） DNA-directed RNA polymerase II subunit RPB4 × 1 （P20433） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P20434） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P20435） DNA-directed RNA polymerase II subunit RPB7 × 1 （P34087） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P20436） DNA-directed RNA polymerase II subunit RPB9 × 1 （P27999） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P22139） DNA-directed RNA polymerase II subunit RPB11 × 1 （P38902） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P40422） 5'-D(APCPTPAPCPTPTPGPAPGPCPT)-3' × 1 5'-D(APGPCPTPCAPAPGPTPAPGPTPTPAPTPGPCPCP(BRU)PGPGPTPCPAPTPT)-3' × 1 5'-R(UPGPCPAPUPUPUCPAPAPCPCPAPGPGPCPUPU)-3' × 1 ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPB2_YEAST
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–1224； UniProt 1–1224

DNA-directed RNA polymerase II subunit RPB3

OrganismNot specified

UniProt P16370

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 12 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P04050） DNA-directed RNA polymerase II subunit RPB2 × 1 （P08518） DNA-directed RNA polymerase II subunit RPB4 × 1 （P20433） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P20434） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P20435） DNA-directed RNA polymerase II subunit RPB7 × 1 （P34087） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P20436） DNA-directed RNA polymerase II subunit RPB9 × 1 （P27999） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P22139） DNA-directed RNA polymerase II subunit RPB11 × 1 （P38902） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P40422） 5'-D(APCPTPAPCPTPTPGPAPGPCPT)-3' × 1 5'-D(APGPCPTPCAPAPGPTPAPGPTPTPAPTPGPCPCP(BRU)PGPGPTPCPAPTPT)-3' × 1 5'-R(UPGPCPAPUPUPUCPAPAPCPCPAPGPGPCPUPU)-3' × 1 ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPB3_YEAST
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain C； PDBConstruct 31–347； UniProt 2–318

DNA-directed RNA polymerase II subunit RPB4

OrganismNot specified

UniProt P20433

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 12 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P04050） DNA-directed RNA polymerase II subunit RPB2 × 1 （P08518） DNA-directed RNA polymerase II subunit RPB3 × 1 （P16370） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P20434） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P20435） DNA-directed RNA polymerase II subunit RPB7 × 1 （P34087） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P20436） DNA-directed RNA polymerase II subunit RPB9 × 1 （P27999） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P22139） DNA-directed RNA polymerase II subunit RPB11 × 1 （P38902） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P40422） 5'-D(APCPTPAPCPTPTPGPAPGPCPT)-3' × 1 5'-D(APGPCPTPCAPAPGPTPAPGPTPTPAPTPGPCPCP(BRU)PGPGPTPCPAPTPT)-3' × 1 5'-R(UPGPCPAPUPUPUCPAPAPCPCPAPGPGPCPUPU)-3' × 1 ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPB4_YEAST
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain D； PDBConstruct 1–221； UniProt 1–221

DNA-directed RNA polymerases I, II, and III subunit RPABC1

OrganismNot specified

UniProt P20434

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 12 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P04050） DNA-directed RNA polymerase II subunit RPB2 × 1 （P08518） DNA-directed RNA polymerase II subunit RPB3 × 1 （P16370） DNA-directed RNA polymerase II subunit RPB4 × 1 （P20433） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P20435） DNA-directed RNA polymerase II subunit RPB7 × 1 （P34087） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P20436） DNA-directed RNA polymerase II subunit RPB9 × 1 （P27999） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P22139） DNA-directed RNA polymerase II subunit RPB11 × 1 （P38902） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P40422） 5'-D(APCPTPAPCPTPTPGPAPGPCPT)-3' × 1 5'-D(APGPCPTPCAPAPGPTPAPGPTPTPAPTPGPCPCP(BRU)PGPGPTPCPAPTPT)-3' × 1 5'-R(UPGPCPAPUPUPUCPAPAPCPCPAPGPGPCPUPU)-3' × 1 ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPAB1_YEAST
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain E； PDBConstruct 1–215； UniProt 1–215

DNA-directed RNA polymerases I, II, and III subunit RPABC2

OrganismNot specified

UniProt P20435

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 12 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P04050） DNA-directed RNA polymerase II subunit RPB2 × 1 （P08518） DNA-directed RNA polymerase II subunit RPB3 × 1 （P16370） DNA-directed RNA polymerase II subunit RPB4 × 1 （P20433） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P20434） DNA-directed RNA polymerase II subunit RPB7 × 1 （P34087） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P20436） DNA-directed RNA polymerase II subunit RPB9 × 1 （P27999） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P22139） DNA-directed RNA polymerase II subunit RPB11 × 1 （P38902） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P40422） 5'-D(APCPTPAPCPTPTPGPAPGPCPT)-3' × 1 5'-D(APGPCPTPCAPAPGPTPAPGPTPTPAPTPGPCPCP(BRU)PGPGPTPCPAPTPT)-3' × 1 5'-R(UPGPCPAPUPUPUCPAPAPCPCPAPGPGPCPUPU)-3' × 1 ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPAB2_YEAST
Isoform	—
PDB entities	6
Chains and sequence ranges	Author chain F； PDBConstruct 1–155； UniProt 1–155

DNA-directed RNA polymerase II subunit RPB7

OrganismNot specified

UniProt P34087

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 12 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P04050） DNA-directed RNA polymerase II subunit RPB2 × 1 （P08518） DNA-directed RNA polymerase II subunit RPB3 × 1 （P16370） DNA-directed RNA polymerase II subunit RPB4 × 1 （P20433） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P20434） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P20435） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P20436） DNA-directed RNA polymerase II subunit RPB9 × 1 （P27999） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P22139） DNA-directed RNA polymerase II subunit RPB11 × 1 （P38902） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P40422） 5'-D(APCPTPAPCPTPTPGPAPGPCPT)-3' × 1 5'-D(APGPCPTPCAPAPGPTPAPGPTPTPAPTPGPCPCP(BRU)PGPGPTPCPAPTPT)-3' × 1 5'-R(UPGPCPAPUPUPUCPAPAPCPCPAPGPGPCPUPU)-3' × 1 ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPB7_YEAST
Isoform	—
PDB entities	7
Chains and sequence ranges	Author chain G； PDBConstruct 1–171； UniProt 1–171

DNA-directed RNA polymerases I, II, and III subunit RPABC3

OrganismNot specified

UniProt P20436

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 12 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P04050） DNA-directed RNA polymerase II subunit RPB2 × 1 （P08518） DNA-directed RNA polymerase II subunit RPB3 × 1 （P16370） DNA-directed RNA polymerase II subunit RPB4 × 1 （P20433） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P20434） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P20435） DNA-directed RNA polymerase II subunit RPB7 × 1 （P34087） DNA-directed RNA polymerase II subunit RPB9 × 1 （P27999） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P22139） DNA-directed RNA polymerase II subunit RPB11 × 1 （P38902） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P40422） 5'-D(APCPTPAPCPTPTPGPAPGPCPT)-3' × 1 5'-D(APGPCPTPCAPAPGPTPAPGPTPTPAPTPGPCPCP(BRU)PGPGPTPCPAPTPT)-3' × 1 5'-R(UPGPCPAPUPUPUCPAPAPCPCPAPGPGPCPUPU)-3' × 1 ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPAB3_YEAST
Isoform	—
PDB entities	8
Chains and sequence ranges	Author chain H； PDBConstruct 1–146； UniProt 1–146

DNA-directed RNA polymerase II subunit RPB9

OrganismNot specified

UniProt P27999

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 12 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P04050） DNA-directed RNA polymerase II subunit RPB2 × 1 （P08518） DNA-directed RNA polymerase II subunit RPB3 × 1 （P16370） DNA-directed RNA polymerase II subunit RPB4 × 1 （P20433） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P20434） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P20435） DNA-directed RNA polymerase II subunit RPB7 × 1 （P34087） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P20436） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P22139） DNA-directed RNA polymerase II subunit RPB11 × 1 （P38902） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P40422） 5'-D(APCPTPAPCPTPTPGPAPGPCPT)-3' × 1 5'-D(APGPCPTPCAPAPGPTPAPGPTPTPAPTPGPCPCP(BRU)PGPGPTPCPAPTPT)-3' × 1 5'-R(UPGPCPAPUPUPUCPAPAPCPCPAPGPGPCPUPU)-3' × 1 ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPB9_YEAST
Isoform	—
PDB entities	9
Chains and sequence ranges	Author chain I； PDBConstruct 1–122； UniProt 1–122

DNA-directed RNA polymerases I, II, and III subunit RPABC5

OrganismNot specified

UniProt P22139

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 12 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P04050） DNA-directed RNA polymerase II subunit RPB2 × 1 （P08518） DNA-directed RNA polymerase II subunit RPB3 × 1 （P16370） DNA-directed RNA polymerase II subunit RPB4 × 1 （P20433） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P20434） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P20435） DNA-directed RNA polymerase II subunit RPB7 × 1 （P34087） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P20436） DNA-directed RNA polymerase II subunit RPB9 × 1 （P27999） DNA-directed RNA polymerase II subunit RPB11 × 1 （P38902） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P40422） 5'-D(APCPTPAPCPTPTPGPAPGPCPT)-3' × 1 5'-D(APGPCPTPCAPAPGPTPAPGPTPTPAPTPGPCPCP(BRU)PGPGPTPCPAPTPT)-3' × 1 5'-R(UPGPCPAPUPUPUCPAPAPCPCPAPGPGPCPUPU)-3' × 1 ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPAB5_YEAST
Isoform	—
PDB entities	10
Chains and sequence ranges	Author chain J； PDBConstruct 1–70； UniProt 1–70

DNA-directed RNA polymerase II subunit RPB11

OrganismNot specified

UniProt P38902

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 12 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P04050） DNA-directed RNA polymerase II subunit RPB2 × 1 （P08518） DNA-directed RNA polymerase II subunit RPB3 × 1 （P16370） DNA-directed RNA polymerase II subunit RPB4 × 1 （P20433） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P20434） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P20435） DNA-directed RNA polymerase II subunit RPB7 × 1 （P34087） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P20436） DNA-directed RNA polymerase II subunit RPB9 × 1 （P27999） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P22139） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P40422） 5'-D(APCPTPAPCPTPTPGPAPGPCPT)-3' × 1 5'-D(APGPCPTPCAPAPGPTPAPGPTPTPAPTPGPCPCP(BRU)PGPGPTPCPAPTPT)-3' × 1 5'-R(UPGPCPAPUPUPUCPAPAPCPCPAPGPGPCPUPU)-3' × 1 ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPB11_YEAST
Isoform	—
PDB entities	11
Chains and sequence ranges	Author chain K； PDBConstruct 1–120； UniProt 1–120

DNA-directed RNA polymerases I, II, and III subunit RPABC4

OrganismNot specified

UniProt P40422

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 12 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P04050） DNA-directed RNA polymerase II subunit RPB2 × 1 （P08518） DNA-directed RNA polymerase II subunit RPB3 × 1 （P16370） DNA-directed RNA polymerase II subunit RPB4 × 1 （P20433） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P20434） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P20435） DNA-directed RNA polymerase II subunit RPB7 × 1 （P34087） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P20436） DNA-directed RNA polymerase II subunit RPB9 × 1 （P27999） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P22139） DNA-directed RNA polymerase II subunit RPB11 × 1 （P38902） 5'-D(APCPTPAPCPTPTPGPAPGPCPT)-3' × 1 5'-D(APGPCPTPCAPAPGPTPAPGPTPTPAPTPGPCPCP(BRU)PGPGPTPCPAPTPT)-3' × 1 5'-R(UPGPCPAPUPUPUCPAPAPCPCPAPGPGPCPUPU)-3' × 1 ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPAB4_YEAST
Isoform	—
PDB entities	12
Chains and sequence ranges	Author chain L； PDBConstruct 1–70； UniProt 1–70

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	3how
Deposition date deposition_date	2009-06-03
Structure title title	Complete RNA polymerase II elongation complex III with a T-U mismatch and a frayed RNA 3'-uridine
Keywords keywords	;RNA polymerase II, metal-binding, transcription bubble, elongation complex, transcription, DNA-RNA mismatch, RNA fraying, DNA-binding, DNA-directed RNA polymerase, Isopeptide bond, Magnesium, Nucleotidyltransferase, Nucleus, Phosphoprotein, Transferase, Ubl conjugation, Zinc, Zinc-finger, Polymorphism, Cytoplasm, DNA damage, DNA repair, mRNA processing, TRANSFERASE-DNA-RNA HYBRID COMPLEX ;; TRANSCRIPTION,TRANSFERASE/DNA/RNA HYBRID
Experimental Method method	X-RAY DIFFRACTION

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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.

3how__assembly_1__model_1

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

Download this curve (.dat)

3how__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3how__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	50.57 Å
Rg (electron density)	50.43 Å
Total Rg	50.60 Å
Atom count	31876
Residues	3951
Excluded volume	566340 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3how__assembly_1__model_1`	pentadecameric （15）	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 (17)

Entity 1 Entity 1 polymer

Description description	DNA-directed RNA polymerase II subunit RPB1
Molecular weight formula_weight	191821.6 kDa
EC 编号 ec_number	2.7.7.6
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	31876

MVGQQYSSAPLRTVKEVQFGLFSPEEVRAISVAKIRFPETMDETQTRAKIGGLNDPRLGSIDRNLKCQTCQEGMNECPGHFGHIDLAKPVFHVGFIAKIKKVCECVCMHCGKLLLDEHNELMRQALAIKDSKKRFAAIWTLCKTKMVCETDVPSEDDPTQLVSRGGCGNTQPTIRKDGLKLVGSWKKDRATGDADEPELRVLSTEEILNIFKHISVKDFTSLGFNEVFSRPEWMILTCLPVPPPPVRPSISFNESQRGEDDLTFKLADILKANISLETLEHNGAPHHAIEEAESLLQFHVATYMDNDIAGQPQALQKSGRPVKSIRARLKGKEGRIRGNLMGKRVDFSARTVISGDPNLELDQVGVPKSIAKTLTYPEVVTPYNIDRLTQLVRNGPNEHPGAKYVIRDSGDRIDLRYSKRAGDIQLQYGWKVERHIMDNDPVLFNRQPSLHKMSMMAHRVKVIPYSTFRLNLSVTSPYNADFDGDEMNLHVPQSEETRAELSQLCAVPLQIVSPQSNKPCMGIVQDTLCGIRKLTLRDTFIELDQVLNMLYWVPDWDGVIPTPAIIKPKPLWSGKQILSVAIPNGIHLQRFDEGTTLLSPKDNGMLIIDGQIIFGVVEKKTVGSSNGGLIHVVTREKGPQVCAKLFGNIQKVVNFWLLHNGFSTGIGDTIADGPTMREITETIAEAKKKVLDVTKEAQANLLTAKHGMTLRESFEDNVVRFLNEARDKAGRLAEVNLKDLNNVKQMVMAGSKGSFINIAQMSACVGQQSVEGKRIAFGFVDRTLPHFSKDDYSPESKGFVENSYLRGLTPQEFFFHAMGGREGLIDTAVKTAETGYIQRRLVKALEDIMVHYDNTTRNSLGNVIQFIYGEDGMDAAHIEKQSLDTIGGSDAAFEKRYRVDLLNTDHTLDPSLLESGSEILGDLKLQVLLDEEYKQLVKDRKFLREVFVDGEANWPLPVNIRRIIQNAQQTFHIDHTKPSDLTIKDIVLGVKDLQENLLVLRGKNEIIQNAQRDAVTLFCCLLRSRLATRRVLQEYRLTKQAFDWVLSNIEAQFLRSVVHPGEMVGVLAAQSIGEPATQMTLNTFHFAGVASKKVTSGVPRLKEILNVAKNMKTPSLTVYLEPGHAADQEQAKLIRSAIEHTTLKSVTIASEIYYDPDPRSTVIPEDEEIIQLHFSLLDEEAEQSFDQQSPWLLRLELDRAAMNDKDLTMGQVGERIKQTFKNDLFVIWSEDNDEKLIIRCRVVRPKSLDAETEAEEDHMLKKIENTMLENITLRGVENIERVVMMKYDRKVPSPTGEYVKEPEWVLETDGVNLSEVMTVPGIDPTRIYTNSFIDIMEVLGIEAGRAALYKEVYNVIASDGSYVNYRHMALLVDVMTTQGGLTSVTRHGFNRSNTGALMRCSFEETVEILFEAGASAELDDCRGVSENVILGQMAPIGTGAFDVMIDEESLVKYMPEQKITEIEDGQDGGVTPYSNESGLVNADLDVKDELMFSPLVDSGSNDAMAGGFTAYGGADYGEATSPFGAYGEAPTSPGFGVSSPGFSPTSPTYSPTSPAYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPAYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPNYSPTSPSYSPTSPGYSPGSPAYSPKQDEQKHNENENSR

Entity 2 Entity 2 polymer

Description description	DNA-directed RNA polymerase II subunit RPB2
Molecular weight formula_weight	138937.3 kDa
EC 编号 ec_number	2.7.7.6
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

MSDLANSEKYYDEDPYGFEDESAPITAEDSWAVISAFFREKGLVSQQLDSFNQFVDYTLQDIICEDSTLILEQLAQHTTESDNISRKYEISFGKIYVTKPMVNESDGVTHALYPQEARLRNLTYSSGLFVDVKKRTYEAIDVPGRELKYELIAEESEDDSESGKVFIGRLPIMLRSKNCYLSEATESDLYKLKECPFDMGGYFIINGSEKVLIAQERSAGNIVQVFKKAAPSPISHVAEIRSALEKGSRFISTLQVKLYGREGSSARTIKATLPYIKQDIPIVIIFRALGIIPDGEILEHICYDVNDWQMLEMLKPCVEDGFVIQDRETALDFIGRRGTALGIKKEKRIQYAKDILQKEFLPHITQLEGFESRKAFFLGYMINRLLLCALDRKDQDDRDHFGKKRLDLAGPLLAQLFKTLFKKLTKDIFRYMQRTVEEAHDFNMKLAINAKTITSGLKYALATGNWGEQKKAMSSRAGVSQVLNRYTYSSTLSHLRRTNTPIGRDGKLAKPRQLHNTHWGLVCPAETPEGQACGLVKNLSLMSCISVGTDPMPIITFLSEWGMEPLEDYVPHQSPDATRVFVNGVWHGVHRNPARLMETLRTLRRKGDINPEVSMIRDIREKELKIFTDAGRVYRPLFIVEDDESLGHKELKVRKGHIAKLMATEYQDIEGGFEDVEEYTWSSLLNEGLVEYIDAEEEESILIAMQPEDLEPAEANEENDLDVDPAKRIRVSHHATTFTHCEIHPSMILGVAASIIPFPDHNQSPRNTYQSAMGKQAMGVFLTNYNVRMDTMANILYYPQKPLGTTRAMEYLKFRELPAGQNAIVAIACYSGYNQEDSMIMNQSSIDRGLFRSLFFRSYMDQEKKYGMSITETFEKPQRTNTLRMKHGTYDKLDDDGLIAPGVRVSGEDVIIGKTTPISPDEEELGQRTAYHSKRDASTPLRSTENGIVDQVLVTTNQDGLKFVKVRVRTTKIPQIGDKFASRHGQKGTIGITYRREDMPFTAEGIVPDLIINPHAIPSRMTVAHLIECLLSKVAALSGNEGDASPFTDITVEGISKLLREHGYQSRGFEVMYNGHTGKKLMAQIFFGPTYYQRLRHMVDDKIHARARGPMQVLTRQPVEGRSRDGGLRFGEMERDCMIAHGAASFLKERLMEASDAFRVHICGICGLMTVIAKLNHNQFECKGCDNKIDIYQIHIPYAAKLLFQELMAMNITPRLYTDRSRDF

Entity 3 Entity 3 polymer

Description description	DNA-directed RNA polymerase II subunit RPB3
Molecular weight formula_weight	38677.9 kDa
EC 编号 ec_number	2.7.7.6
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

MGSHHHHHHSNSGLNDIFEAQKIEWHEDTGSEEGPQVKIREASKDNVDFILSNVDLAMANSLRRVMIAEIPTLAIDSVEVETNTTVLADEFIAHRLGLIPLQSMDIEQLEYSRDCFCEDHCDKCSVVLTLQAFGESESTTNVYSKDLVIVSNLMGRNIGHPIIQDKEGNGVLICKLRKGQELKLTCVAKKGIAKEHAKWGPAAAIEFEYDPWNKLKHTDYWYEQDSAKEWPQSKNCEYEDPPNEGDPFDYKAQADTFYMNVESVGSIPVDQVVVRGIDTLQKKVASILLALTQMDQDKVNFASGDNNTASNMLGSNEDVMMTGAEQDPYSNASQMGNTGSGGYDNAW

Entity 4 Entity 4 polymer

Description description	DNA-directed RNA polymerase II subunit RPB4
Molecular weight formula_weight	25451.2 kDa
EC 编号 ec_number	2.7.7.6
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D

MNVSTSTFQTRRRRLKKVEEEENAATLQLGQEFQLKQINHQGEEEELIALNLSEARLVIKEALVERRRAFKRSQKKHKKKHLKHENANDETTAVEDEDDDLDEDDVNADDDDFMHSETREKELESIDVLLEQTTGGNNKDLKNTMQYLTNFSRFRDQETVGAVIQLLKSTGLHPFEVAQLGSLACDTADEAKTLIPSLNNKISDDELERILKELSNLETLY

Entity 5 Entity 5 polymer

Description description	DNA-directed RNA polymerases I, II, and III subunit RPABC1
Molecular weight formula_weight	25117.1 kDa
EC 编号 ec_number	2.7.7.6
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E

MDQENERNISRLWRAFRTVKEMVKDRGYFITQEEVELPLEDFKAKYCDSMGRPQRKMMSFQANPTEESISKFPDMGSLWVEFCDEPSVGVKTMKTFVIHIQEKNFQTGIFVYQNNITPSAMKLVPSIPPATIETFNEAALVVNITHHELVPKHIRLSSDEKRELLKRYRLKESQLPRIQRADPVALYLGLKRGEVVKIIRKSETSGRYASYRICM

Entity 6 Entity 6 polymer

Description description	DNA-directed RNA polymerases I, II, and III subunit RPABC2
Molecular weight formula_weight	17931.8 kDa
EC 编号 ec_number	2.7.7.6
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F

MSDYEEAFNDGNENFEDFDVEHFSDEETYEEKPQFKDGETTDANGKTIVTGGNGPEDFQQHEQIRRKTLKEKAIPKDQRATTPYMTKYERARILGTRALQISMNAPVFVDLEGETDPLRIAMKELAEKKIPLVIRRYLPDGSFEDWSVEELIVDL

Entity 7 Entity 7 polymer

Description description	DNA-directed RNA polymerase II subunit RPB7
Molecular weight formula_weight	19081.1 kDa
EC 编号 ec_number	2.7.7.6
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G

MFFIKDLSLNITLHPSFFGPRMKQYLKTKLLEEVEGSCTGKFGYILCVLDYDNIDIQRGRILPTDGSAEFNVKYRAVVFKPFKGEVVDGTVVSCSQHGFEVQVGPMKVFVTKHLMPQDLTFNAGSNPPSYQSSEDVITIKSRIRVKIEGCISQVSSIHAIGSIKEDYLGAI

Entity 8 Entity 8 polymer

Description description	DNA-directed RNA polymerases I, II, and III subunit RPABC3
Molecular weight formula_weight	16525.4 kDa
EC 编号 ec_number	2.7.7.6
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H

MSNTLFDDIFQVSEVDPGRYNKVCRIEAASTTQDQCKLTLDINVELFPVAAQDSLTVTIASSLNLEDTPANDSSATRSWRPPQAGDRSLADDYDYVMYGTAYKFEEVSKDLIAVYYSFGGLLMRLEGNYRNLNNLKQENAYLLIRR

Entity 9 Entity 9 polymer

Description description	DNA-directed RNA polymerase II subunit RPB9
Molecular weight formula_weight	14308.2 kDa
EC 编号 ec_number	2.7.7.6
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	I

MTTFRFCRDCNNMLYPREDKENNRLLFECRTCSYVEEAGSPLVYRHELITNIGETAGVVQDIGSDPTLPRSDRECPKCHSRENVFFQSQQRRKDTSMVLFFVCLSCSHIFTSDQKNKRTQFS

Entity 10 Entity 10 polymer

Description description	DNA-directed RNA polymerases I, II, and III subunit RPABC5
Molecular weight formula_weight	8290.7 kDa
EC 编号 ec_number	2.7.7.6
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	J

MIVPVRCFSCGKVVGDKWESYLNLLQEDELDEGTALSRLGLKRYCCRRMILTHVDLIEKFLRYNPLEKRD

Entity 11 Entity 11 polymer

Description description	DNA-directed RNA polymerase II subunit RPB11
Molecular weight formula_weight	13633.5 kDa
EC 编号 ec_number	2.7.7.6
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	K

MNAPDRFELFLLGEGESKLKIDPDTKAPNAVVITFEKEDHTLGNLIRAELLNDRKVLFAAYKVEHPFFARFKLRIQTTEGYDPKDALKNACNSIINKLGALKTNFETEWNLQTLAADDAF

Entity 12 Entity 12 polymer

Description description	DNA-directed RNA polymerases I, II, and III subunit RPABC4
Molecular weight formula_weight	7730.0 kDa
EC 编号 ec_number	2.7.7.6
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	L

MSREGFQIPTNLDAAAAGTSQARTATLKYICAECSSKLSLSRTDAVRCKDCGHRILLKARTKRLVQFEAR

Entity 13 Entity 13 polymer

Description description	5'-D(APCPTPAPCPTPTPGPAPGPCPT)-3'
Molecular weight formula_weight	3637.4 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	2

ACTACTTGAGCT

Entity 14 Entity 14 polymer

Description description	5'-D(APGPCPTPCAPAPGPTPAPGPTPTPAPTPGPCPCP(BRU)PGPGPTPCPAPTPT)-3'
Molecular weight formula_weight	8058.0 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	1

AGCTCAAGTAGTTATGCCUGGTCATT

Entity 15 Entity 15 polymer

Description description	5'-R(UPGPCPAPUPUPUCPAPAPCPCPAPGPGPCPUPU)-3'
Molecular weight formula_weight	5670.4 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	3

UGCAUUUCAACCAGGCUU

Entity 16 Entity 16 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	8

Entity 17 Entity 17 non-polymer

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

▼

6. Fold Classification (SCOP + CATH) 21 domains

CATH v4.4 (21 domains)

Domain ID domain_id	3howA01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	274 — Enzyme I; Chain A, domain 2
Homologous superfamily homologous superfamily	100 — RNA polymerase Rpb1, domain 3

Domain ID domain_id	3howA02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1360 — Gyrase A; domain 2
Homologous superfamily homologous superfamily	140 —

Domain ID domain_id	3howB04
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	1110 — Dna-directed Rna Polymerase Ii 140kd Polypeptide; Chain: B; domain 3
Homologous superfamily homologous superfamily	10 — RNA polymerase Rpb2, domain 2

Domain ID domain_id	3howB05
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	1070 — Hypothetical Protein Ta0175; Chain: A, domain 2
Homologous superfamily homologous superfamily	20 —

Domain ID domain_id	3howB06
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	270 — Dna-directed Rna Polymerase Ii 140kd Polypeptide; Chain: B; Domain 6
Homologous superfamily homologous superfamily	10 — DNA-directed RNA polymerase, subunit 2, domain 6

Domain ID domain_id	3howB07
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Homologous superfamily homologous superfamily	150 — RNA polymerase II, Rpb2 subunit, wall domain

Domain ID domain_id	3howB08
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	1800 — DCoH-like
Homologous superfamily homologous superfamily	10 — RNA polymerase alpha subunit dimerisation domain

Domain ID domain_id	3howC01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1360 — Gyrase A; domain 2
Homologous superfamily homologous superfamily	10 — RNA polymerase, RBP11-like subunit

Domain ID domain_id	3howC02
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	3howD02
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	1250 — Growth Hormone; Chain: A;
Homologous superfamily homologous superfamily	40 — RNA Polymerase II, Rpb4 subunit

Domain ID domain_id	3howE01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	1340 — Dna-directed Rna Polymerases I, Ii, And Iii 27 Kd Polypeptide; Chain: A; domain 1
Homologous superfamily homologous superfamily	10 — RNA polymerase, Rpb5, N-terminal domain

Domain ID domain_id	3howE02
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	940 — Eukaryotic RPB6 RNA polymerase subunit
Homologous superfamily homologous superfamily	20 — RPB5-like RNA polymerase subunit

Domain ID domain_id	3howF00
Class class	3 — Alpha Beta
Architecture architecture	90 — Alpha-Beta Complex
Topology topology	940 — Eukaryotic RPB6 RNA polymerase subunit
Homologous superfamily homologous superfamily	10 — RNA polymerase subunit, RPB6/omega

Domain ID domain_id	3howG01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1490 — Dna Ligase; domain 1
Homologous superfamily homologous superfamily	120 — RNA polymerase Rpb7-like, N-terminal domain

Domain ID domain_id	3howG02
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	3howH00
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	3howI01
Class class	2 — Mainly Beta
Architecture architecture	20 — Single Sheet
Topology topology	25 — N-terminal domain of TfIIb
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	3howI02
Class class	2 — Mainly Beta
Architecture architecture	20 — Single Sheet
Topology topology	25 — N-terminal domain of TfIIb
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	3howJ00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily	60 — Homeodomain-like

Domain ID domain_id	3howK00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1360 — Gyrase A; domain 2
Homologous superfamily homologous superfamily	10 — RNA polymerase, RBP11-like subunit

Domain ID domain_id	3howL00
Class class	2 — Mainly Beta
Architecture architecture	20 — Single Sheet
Topology topology	28 — Rubrerythrin, domain 2
Homologous superfamily homologous superfamily	30 — RNA polymerase ii, chain L

▶

Unit-cell length a length_a	222.645 Å
Unit-cell length b length_b	395.962 Å
Unit-cell length c length_c	283.476 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	8

Space group space_group	C 2 2 21
Space-group number int_tables_number	20
Crystal system crystal_system	—

Resolution resolution	3.600 Å
Low-resolution limit resolution_low	50.000 Å
R factor r_factor	—
R_work r_work	0.2140
R_free r_free	0.2540

Complete RNA polymerase II elongation complex III with a T-U mismatch and a frayed RNA 3'-uridine

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

DNA-directed RNA polymerase II subunit RPB1

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 II subunit RPB2

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 II subunit RPB3

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 II subunit RPB4

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 polymerases I, II, and III subunit RPABC1

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 polymerases I, II, and III subunit RPABC2

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 II subunit RPB7

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 polymerases I, II, and III subunit RPABC3

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 II subunit RPB9

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 polymerases I, II, and III subunit RPABC5

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer