7mk9

Complex structure of trailing EC of EC+EC (trailing EC-focused)

Method: ELECTRON MICROSCOPY

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

DNA-directed RNA polymerase subunit

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 14 DNA 2 RNA 1	DNA (40-MER) × 1 DNA (40-MER) × 1 DNA-directed RNA polymerase subunit beta × 1 （A0A6A5Q4H2） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A6A5Q0Z3） DNA-directed RNA polymerase II subunit RPB4 × 1 （A0A6A5PTI6） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （A0A6A5Q456） DNA-directed RNA polymerases I,II,and III subunit RPABC2 × 1 （A0A6L0ZRI7） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A6A5Q270） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A6A5Q8C2） DNA-directed RNA polymerase II subunit RPB9 × 1 （A0A7I9EWC2） DNA-directed RNA polymerases II subunit RPABC5 × 1 （A0A6A5Q7Q6） DNA-directed RNA polymerase II subunit RPB11 × 1 （A0A6A5Q7A1） DNA-directed RNA polymerases II subunit RPABC4 × 1 （A0A6A5PY05） ;RNA (5'-R(PUPCPGPAPGPAPGPGPAPUPCPCPCPAP*A)-3') ; × 1 Transcription initiation factor IIF subunit alpha × 1 （P41895） Transcription initiation factor IIF subunit beta × 1 （A0A6A5PZ00） ZINC ION × 8 MAGNESIUM ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6A5Q1P2_YEASX
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain A； PDBConstruct 1–1733； UniProt 1–1733

DNA-directed RNA polymerase subunit beta

OrganismNot specified

UniProt A0A6A5Q4H2

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 14 DNA 2 RNA 1	DNA (40-MER) × 1 DNA (40-MER) × 1 DNA-directed RNA polymerase subunit × 1 （A0A6A5Q1P2） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A6A5Q0Z3） DNA-directed RNA polymerase II subunit RPB4 × 1 （A0A6A5PTI6） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （A0A6A5Q456） DNA-directed RNA polymerases I,II,and III subunit RPABC2 × 1 （A0A6L0ZRI7） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A6A5Q270） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A6A5Q8C2） DNA-directed RNA polymerase II subunit RPB9 × 1 （A0A7I9EWC2） DNA-directed RNA polymerases II subunit RPABC5 × 1 （A0A6A5Q7Q6） DNA-directed RNA polymerase II subunit RPB11 × 1 （A0A6A5Q7A1） DNA-directed RNA polymerases II subunit RPABC4 × 1 （A0A6A5PY05） ;RNA (5'-R(PUPCPGPAPGPAPGPGPAPUPCPCPCPAP*A)-3') ; × 1 Transcription initiation factor IIF subunit alpha × 1 （P41895） Transcription initiation factor IIF subunit beta × 1 （A0A6A5PZ00） ZINC ION × 8 MAGNESIUM ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6A5Q4H2_YEASX
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain B； PDBConstruct 1–1224； UniProt 1–1224

DNA-directed RNA polymerase II subunit RPB3

OrganismNot specified

UniProt A0A6A5Q0Z3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 14 DNA 2 RNA 1	DNA (40-MER) × 1 DNA (40-MER) × 1 DNA-directed RNA polymerase subunit × 1 （A0A6A5Q1P2） DNA-directed RNA polymerase subunit beta × 1 （A0A6A5Q4H2） DNA-directed RNA polymerase II subunit RPB4 × 1 （A0A6A5PTI6） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （A0A6A5Q456） DNA-directed RNA polymerases I,II,and III subunit RPABC2 × 1 （A0A6L0ZRI7） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A6A5Q270） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A6A5Q8C2） DNA-directed RNA polymerase II subunit RPB9 × 1 （A0A7I9EWC2） DNA-directed RNA polymerases II subunit RPABC5 × 1 （A0A6A5Q7Q6） DNA-directed RNA polymerase II subunit RPB11 × 1 （A0A6A5Q7A1） DNA-directed RNA polymerases II subunit RPABC4 × 1 （A0A6A5PY05） ;RNA (5'-R(PUPCPGPAPGPAPGPGPAPUPCPCPCPAP*A)-3') ; × 1 Transcription initiation factor IIF subunit alpha × 1 （P41895） Transcription initiation factor IIF subunit beta × 1 （A0A6A5PZ00） ZINC ION × 8 MAGNESIUM ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6A5Q0Z3_YEASX
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain C； PDBConstruct 1–318； UniProt 1–318

DNA-directed RNA polymerase II subunit RPB4

OrganismNot specified

UniProt A0A6A5PTI6

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 14 DNA 2 RNA 1	DNA (40-MER) × 1 DNA (40-MER) × 1 DNA-directed RNA polymerase subunit × 1 （A0A6A5Q1P2） DNA-directed RNA polymerase subunit beta × 1 （A0A6A5Q4H2） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A6A5Q0Z3） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （A0A6A5Q456） DNA-directed RNA polymerases I,II,and III subunit RPABC2 × 1 （A0A6L0ZRI7） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A6A5Q270） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A6A5Q8C2） DNA-directed RNA polymerase II subunit RPB9 × 1 （A0A7I9EWC2） DNA-directed RNA polymerases II subunit RPABC5 × 1 （A0A6A5Q7Q6） DNA-directed RNA polymerase II subunit RPB11 × 1 （A0A6A5Q7A1） DNA-directed RNA polymerases II subunit RPABC4 × 1 （A0A6A5PY05） ;RNA (5'-R(PUPCPGPAPGPAPGPGPAPUPCPCPCPAP*A)-3') ; × 1 Transcription initiation factor IIF subunit alpha × 1 （P41895） Transcription initiation factor IIF subunit beta × 1 （A0A6A5PZ00） ZINC ION × 8 MAGNESIUM ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6A5PTI6_YEASX
Isoform	—
PDB entities	6
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 A0A6A5Q456

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 14 DNA 2 RNA 1	DNA (40-MER) × 1 DNA (40-MER) × 1 DNA-directed RNA polymerase subunit × 1 （A0A6A5Q1P2） DNA-directed RNA polymerase subunit beta × 1 （A0A6A5Q4H2） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A6A5Q0Z3） DNA-directed RNA polymerase II subunit RPB4 × 1 （A0A6A5PTI6） DNA-directed RNA polymerases I,II,and III subunit RPABC2 × 1 （A0A6L0ZRI7） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A6A5Q270） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A6A5Q8C2） DNA-directed RNA polymerase II subunit RPB9 × 1 （A0A7I9EWC2） DNA-directed RNA polymerases II subunit RPABC5 × 1 （A0A6A5Q7Q6） DNA-directed RNA polymerase II subunit RPB11 × 1 （A0A6A5Q7A1） DNA-directed RNA polymerases II subunit RPABC4 × 1 （A0A6A5PY05） ;RNA (5'-R(PUPCPGPAPGPAPGPGPAPUPCPCPCPAP*A)-3') ; × 1 Transcription initiation factor IIF subunit alpha × 1 （P41895） Transcription initiation factor IIF subunit beta × 1 （A0A6A5PZ00） ZINC ION × 8 MAGNESIUM ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6A5Q456_YEASX
Isoform	—
PDB entities	7
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 A0A6L0ZRI7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 14 DNA 2 RNA 1	DNA (40-MER) × 1 DNA (40-MER) × 1 DNA-directed RNA polymerase subunit × 1 （A0A6A5Q1P2） DNA-directed RNA polymerase subunit beta × 1 （A0A6A5Q4H2） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A6A5Q0Z3） DNA-directed RNA polymerase II subunit RPB4 × 1 （A0A6A5PTI6） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （A0A6A5Q456） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A6A5Q270） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A6A5Q8C2） DNA-directed RNA polymerase II subunit RPB9 × 1 （A0A7I9EWC2） DNA-directed RNA polymerases II subunit RPABC5 × 1 （A0A6A5Q7Q6） DNA-directed RNA polymerase II subunit RPB11 × 1 （A0A6A5Q7A1） DNA-directed RNA polymerases II subunit RPABC4 × 1 （A0A6A5PY05） ;RNA (5'-R(PUPCPGPAPGPAPGPGPAPUPCPCPCPAP*A)-3') ; × 1 Transcription initiation factor IIF subunit alpha × 1 （P41895） Transcription initiation factor IIF subunit beta × 1 （A0A6A5PZ00） ZINC ION × 8 MAGNESIUM ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6L0ZRI7_YEASX
Isoform	—
PDB entities	8
Chains and sequence ranges	Author chain F； PDBConstruct 1–155； UniProt 1–155

DNA-directed RNA polymerase II subunit RPB7

OrganismNot specified

UniProt A0A6A5Q270

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 14 DNA 2 RNA 1	DNA (40-MER) × 1 DNA (40-MER) × 1 DNA-directed RNA polymerase subunit × 1 （A0A6A5Q1P2） DNA-directed RNA polymerase subunit beta × 1 （A0A6A5Q4H2） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A6A5Q0Z3） DNA-directed RNA polymerase II subunit RPB4 × 1 （A0A6A5PTI6） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （A0A6A5Q456） DNA-directed RNA polymerases I,II,and III subunit RPABC2 × 1 （A0A6L0ZRI7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A6A5Q8C2） DNA-directed RNA polymerase II subunit RPB9 × 1 （A0A7I9EWC2） DNA-directed RNA polymerases II subunit RPABC5 × 1 （A0A6A5Q7Q6） DNA-directed RNA polymerase II subunit RPB11 × 1 （A0A6A5Q7A1） DNA-directed RNA polymerases II subunit RPABC4 × 1 （A0A6A5PY05） ;RNA (5'-R(PUPCPGPAPGPAPGPGPAPUPCPCPCPAP*A)-3') ; × 1 Transcription initiation factor IIF subunit alpha × 1 （P41895） Transcription initiation factor IIF subunit beta × 1 （A0A6A5PZ00） ZINC ION × 8 MAGNESIUM ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6A5Q270_YEASX
Isoform	—
PDB entities	9
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 A0A6A5Q8C2

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 14 DNA 2 RNA 1	DNA (40-MER) × 1 DNA (40-MER) × 1 DNA-directed RNA polymerase subunit × 1 （A0A6A5Q1P2） DNA-directed RNA polymerase subunit beta × 1 （A0A6A5Q4H2） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A6A5Q0Z3） DNA-directed RNA polymerase II subunit RPB4 × 1 （A0A6A5PTI6） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （A0A6A5Q456） DNA-directed RNA polymerases I,II,and III subunit RPABC2 × 1 （A0A6L0ZRI7） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A6A5Q270） DNA-directed RNA polymerase II subunit RPB9 × 1 （A0A7I9EWC2） DNA-directed RNA polymerases II subunit RPABC5 × 1 （A0A6A5Q7Q6） DNA-directed RNA polymerase II subunit RPB11 × 1 （A0A6A5Q7A1） DNA-directed RNA polymerases II subunit RPABC4 × 1 （A0A6A5PY05） ;RNA (5'-R(PUPCPGPAPGPAPGPGPAPUPCPCPCPAP*A)-3') ; × 1 Transcription initiation factor IIF subunit alpha × 1 （P41895） Transcription initiation factor IIF subunit beta × 1 （A0A6A5PZ00） ZINC ION × 8 MAGNESIUM ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6A5Q8C2_YEASX
Isoform	—
PDB entities	10
Chains and sequence ranges	Author chain H； PDBConstruct 1–146； UniProt 1–146

DNA-directed RNA polymerase II subunit RPB9

OrganismNot specified

UniProt A0A7I9EWC2

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 14 DNA 2 RNA 1	DNA (40-MER) × 1 DNA (40-MER) × 1 DNA-directed RNA polymerase subunit × 1 （A0A6A5Q1P2） DNA-directed RNA polymerase subunit beta × 1 （A0A6A5Q4H2） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A6A5Q0Z3） DNA-directed RNA polymerase II subunit RPB4 × 1 （A0A6A5PTI6） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （A0A6A5Q456） DNA-directed RNA polymerases I,II,and III subunit RPABC2 × 1 （A0A6L0ZRI7） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A6A5Q270） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A6A5Q8C2） DNA-directed RNA polymerases II subunit RPABC5 × 1 （A0A6A5Q7Q6） DNA-directed RNA polymerase II subunit RPB11 × 1 （A0A6A5Q7A1） DNA-directed RNA polymerases II subunit RPABC4 × 1 （A0A6A5PY05） ;RNA (5'-R(PUPCPGPAPGPAPGPGPAPUPCPCPCPAP*A)-3') ; × 1 Transcription initiation factor IIF subunit alpha × 1 （P41895） Transcription initiation factor IIF subunit beta × 1 （A0A6A5PZ00） ZINC ION × 8 MAGNESIUM ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A7I9EWC2_YEASX
Isoform	—
PDB entities	11
Chains and sequence ranges	Author chain I； PDBConstruct 1–122； UniProt 1–122

DNA-directed RNA polymerases II subunit RPABC5

OrganismNot specified

UniProt A0A6A5Q7Q6

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 14 DNA 2 RNA 1	DNA (40-MER) × 1 DNA (40-MER) × 1 DNA-directed RNA polymerase subunit × 1 （A0A6A5Q1P2） DNA-directed RNA polymerase subunit beta × 1 （A0A6A5Q4H2） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A6A5Q0Z3） DNA-directed RNA polymerase II subunit RPB4 × 1 （A0A6A5PTI6） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （A0A6A5Q456） DNA-directed RNA polymerases I,II,and III subunit RPABC2 × 1 （A0A6L0ZRI7） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A6A5Q270） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A6A5Q8C2） DNA-directed RNA polymerase II subunit RPB9 × 1 （A0A7I9EWC2） DNA-directed RNA polymerase II subunit RPB11 × 1 （A0A6A5Q7A1） DNA-directed RNA polymerases II subunit RPABC4 × 1 （A0A6A5PY05） ;RNA (5'-R(PUPCPGPAPGPAPGPGPAPUPCPCPCPAP*A)-3') ; × 1 Transcription initiation factor IIF subunit alpha × 1 （P41895） Transcription initiation factor IIF subunit beta × 1 （A0A6A5PZ00） ZINC ION × 8 MAGNESIUM ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6A5Q7Q6_YEASX
Isoform	—
PDB entities	12
Chains and sequence ranges	Author chain J； PDBConstruct 1–70； UniProt 1–70

DNA-directed RNA polymerase II subunit RPB11

OrganismNot specified

UniProt A0A6A5Q7A1

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 14 DNA 2 RNA 1	DNA (40-MER) × 1 DNA (40-MER) × 1 DNA-directed RNA polymerase subunit × 1 （A0A6A5Q1P2） DNA-directed RNA polymerase subunit beta × 1 （A0A6A5Q4H2） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A6A5Q0Z3） DNA-directed RNA polymerase II subunit RPB4 × 1 （A0A6A5PTI6） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （A0A6A5Q456） DNA-directed RNA polymerases I,II,and III subunit RPABC2 × 1 （A0A6L0ZRI7） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A6A5Q270） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A6A5Q8C2） DNA-directed RNA polymerase II subunit RPB9 × 1 （A0A7I9EWC2） DNA-directed RNA polymerases II subunit RPABC5 × 1 （A0A6A5Q7Q6） DNA-directed RNA polymerases II subunit RPABC4 × 1 （A0A6A5PY05） ;RNA (5'-R(PUPCPGPAPGPAPGPGPAPUPCPCPCPAP*A)-3') ; × 1 Transcription initiation factor IIF subunit alpha × 1 （P41895） Transcription initiation factor IIF subunit beta × 1 （A0A6A5PZ00） ZINC ION × 8 MAGNESIUM ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6A5Q7A1_YEASX
Isoform	—
PDB entities	13
Chains and sequence ranges	Author chain K； PDBConstruct 1–120； UniProt 1–120

DNA-directed RNA polymerases II subunit RPABC4

OrganismNot specified

UniProt A0A6A5PY05

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 14 DNA 2 RNA 1	DNA (40-MER) × 1 DNA (40-MER) × 1 DNA-directed RNA polymerase subunit × 1 （A0A6A5Q1P2） DNA-directed RNA polymerase subunit beta × 1 （A0A6A5Q4H2） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A6A5Q0Z3） DNA-directed RNA polymerase II subunit RPB4 × 1 （A0A6A5PTI6） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （A0A6A5Q456） DNA-directed RNA polymerases I,II,and III subunit RPABC2 × 1 （A0A6L0ZRI7） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A6A5Q270） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A6A5Q8C2） DNA-directed RNA polymerase II subunit RPB9 × 1 （A0A7I9EWC2） DNA-directed RNA polymerases II subunit RPABC5 × 1 （A0A6A5Q7Q6） DNA-directed RNA polymerase II subunit RPB11 × 1 （A0A6A5Q7A1） ;RNA (5'-R(PUPCPGPAPGPAPGPGPAPUPCPCPCPAP*A)-3') ; × 1 Transcription initiation factor IIF subunit alpha × 1 （P41895） Transcription initiation factor IIF subunit beta × 1 （A0A6A5PZ00） ZINC ION × 8 MAGNESIUM ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6A5PY05_YEASX
Isoform	—
PDB entities	14
Chains and sequence ranges	Author chain L； PDBConstruct 1–70； UniProt 1–70

Transcription initiation factor IIF subunit alpha

OrganismNot specified

UniProt P41895

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 14 DNA 2 RNA 1	DNA (40-MER) × 1 DNA (40-MER) × 1 DNA-directed RNA polymerase subunit × 1 （A0A6A5Q1P2） DNA-directed RNA polymerase subunit beta × 1 （A0A6A5Q4H2） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A6A5Q0Z3） DNA-directed RNA polymerase II subunit RPB4 × 1 （A0A6A5PTI6） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （A0A6A5Q456） DNA-directed RNA polymerases I,II,and III subunit RPABC2 × 1 （A0A6L0ZRI7） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A6A5Q270） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A6A5Q8C2） DNA-directed RNA polymerase II subunit RPB9 × 1 （A0A7I9EWC2） DNA-directed RNA polymerases II subunit RPABC5 × 1 （A0A6A5Q7Q6） DNA-directed RNA polymerase II subunit RPB11 × 1 （A0A6A5Q7A1） DNA-directed RNA polymerases II subunit RPABC4 × 1 （A0A6A5PY05） ;RNA (5'-R(PUPCPGPAPGPAPGPGPAPUPCPCPCPAP*A)-3') ; × 1 Transcription initiation factor IIF subunit beta × 1 （A0A6A5PZ00） ZINC ION × 8 MAGNESIUM ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	T2FA_YEAST
Isoform	—
PDB entities	16
Chains and sequence ranges	Author chain Q； PDBConstruct 1–735； UniProt 1–735

Transcription initiation factor IIF subunit beta

OrganismNot specified

UniProt A0A6A5PZ00

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 14 DNA 2 RNA 1	DNA (40-MER) × 1 DNA (40-MER) × 1 DNA-directed RNA polymerase subunit × 1 （A0A6A5Q1P2） DNA-directed RNA polymerase subunit beta × 1 （A0A6A5Q4H2） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A6A5Q0Z3） DNA-directed RNA polymerase II subunit RPB4 × 1 （A0A6A5PTI6） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （A0A6A5Q456） DNA-directed RNA polymerases I,II,and III subunit RPABC2 × 1 （A0A6L0ZRI7） DNA-directed RNA polymerase II subunit RPB7 × 1 （A0A6A5Q270） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A6A5Q8C2） DNA-directed RNA polymerase II subunit RPB9 × 1 （A0A7I9EWC2） DNA-directed RNA polymerases II subunit RPABC5 × 1 （A0A6A5Q7Q6） DNA-directed RNA polymerase II subunit RPB11 × 1 （A0A6A5Q7A1） DNA-directed RNA polymerases II subunit RPABC4 × 1 （A0A6A5PY05） ;RNA (5'-R(PUPCPGPAPGPAPGPGPAPUPCPCPCPAP*A)-3') ; × 1 Transcription initiation factor IIF subunit alpha × 1 （P41895） ZINC ION × 8 MAGNESIUM ION × 2	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A6A5PZ00_YEASX
Isoform	—
PDB entities	17
Chains and sequence ranges	Author chain M； PDBConstruct 1–400； UniProt 1–400

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	7mk9
Deposition date deposition_date	2021-04-22
Structure title title	Complex structure of trailing EC of EC+EC (trailing EC-focused)
Keywords keywords	pol II, 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.

7mk9__assembly_1__model_1

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

Download this curve (.dat)

7mk9__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

7mk9__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	53.96 Å
Rg (electron density)	53.85 Å
Total Rg	53.93 Å
Atom count	36122
Residues	4414
Excluded volume	636870 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`7mk9__assembly_1__model_1`	heptadecameric （17）	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 (19)

Entity 1 Entity 1 polymer

Description description	DNA (40-MER)
Molecular weight formula_weight	12307.0 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	N
Atom count atom_count	36122

CACTAGTGCCTAAAAAAAATTTATAGTGCAAAAAAACCAA

Entity 2 Entity 2 polymer

Description description	DNA (40-MER)
Molecular weight formula_weight	12426.0 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	O

TTGGTTTTTTTGCACTATATTTGTGGGGAAGGCACTAGTG

Entity 3 Entity 3 polymer

Description description	DNA-directed RNA polymerase subunit
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

MVGQQYSSAPLRTVKEVQFGLFSPEEVRAISVAKIRFPETMDETQTRAKIGGLNDPRLGSIDRNLKCQTCQEGMNECPGHFGHIDLAKPVFHVGFIAKIKKVCECVCMHCGKLLLDEHNELMRQALAIKDSKKRFAAIWTLCKTKMVCETDVPSEDDPTQLVSRGGCGNTQPTIRKDGLKLVGSWKKDRATGDADEPELRVLSTEEILNIFKHISVKDFTSLGFNEVFSRPEWMILTCLPVPPPPVRPSISFNESQRGEDDLTFKLADILKANISLETLEHNGAPHHAIEEAESLLQFHVATYMDNDIAGQPQALQKSGRPVKSIRARLKGKEGRIRGNLMGKRVDFSARTVISGDPNLELDQVGVPKSIAKTLTYPEVVTPYNIDRLTQLVRNGPNEHPGAKYVIRDSGDRIDLRYSKRAGDIQLQYGWKVERHIMDNDPVLFNRQPSLHKMSMMAHRVKVIPYSTFRLNLSVTSPYNADFDGDEMNLHVPQSEETRAELSQLCAVPLQIVSPQSNKPCMGIVQDTLCGIRKLTLRDTFIELDQVLNMLYWVPDWDGVIPTPAIIKPKPLWSGKQILSVAIPNGIHLQRFDEGTTLLSPKDNGMLIIDGQIIFGVVEKKTVGSSNGGLIHVVTREKGPQVCAKLFGNIQKVVNFWLLHNGFSTGIGDTIADGPTMREITETIAEAKKKVLDVTKEAQANLLTAKHGMTLRESFEDNVVRFLNEARDKAGRLAEVNLKDLNNVKQMVMAGSKGSFINIAQMSACVGQQSVEGKRIAFGFVDRTLPHFSKDDYSPESKGFVENSYLRGLTPQEFFFHAMGGREGLIDTAVKTAETGYIQRRLVKALEDIMVHYDNTTRNSLGNVIQFIYGEDGMDAAHIEKQSLDTIGGSDAAFEKRYRVDLLNTDHTLDPSLLESGSEILGDLKLQVLLDEEYKQLVKDRKFLREVFVDGEANWPLPVNIRRIIQNAQQTFHIDHTKPSDLTIKDIVLGVKDLQENLLVLRGKNEIIQNAQRDAVTLFCCLLRSRLATRRVLQEYRLTKQAFDWVLSNIEAQFLRSVVHPGEMVGVLAAQSIGEPATQMTLNTFHFAGVASKKVTSGVPRLKEILNVAKNMKTPSLTVYLEPGHAADQEQAKLIRSAIEHTTLKSVTIASEIYYDPDPRSTVIPEDEEIIQLHFSLLDEEAEQSFDQQSPWLLRLELDRAAMNDKDLTMGQVGERIKQTFKNDLFVIWSEDNDEKLIIRCRVVRPKSLDAETEAEEDHMLKKIENTMLENITLRGVENIERVVMMKYDRKVPSPTGEYVKEPEWVLETDGVNLSEVMTVPGIDPTRIYTNSFIDIMEVLGIEAGRAALYKEVYNVIASDGSYVNYRHMALLVDVMTTQGGLTSVTRHGFNRSNTGALMRCSFEETVEILFEAGASAELDDCRGVSENVILGQMAPIGTGAFDVMIDEESLVKYMPEQKITEIEDGQDGGVTPYSNESGLVNADLDVKDELMFSPLVDSGSNDAMAGGFTAYGGADYGEATSPFGAYGEAPTSPGFGVSSPGFSPTSPTYSPTSPAYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPAYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPNYSPTSPSYSPTSPGYSPGSPAYSPKQDEQKHNENENSR

Entity 4 Entity 4 polymer

Description description	DNA-directed RNA polymerase subunit beta
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 5 Entity 5 polymer

Description description	DNA-directed RNA polymerase II subunit RPB3
Molecular weight formula_weight	35330.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

MSEEGPQVKIREASKDNVDFILSNVDLAMANSLRRVMIAEIPTLAIDSVEVETNTTVLADEFIAHRLGLIPLQSMDIEQLEYSRDCFCEDHCDKCSVVLTLQAFGESESTTNVYSKDLVIVSNLMGRNIGHPIIQDKEGNGVLICKLRKGQELKLTCVAKKGIAKEHAKWGPAAAIEFEYDPWNKLKHTDYWYEQDSAKEWPQSKNCEYEDPPNEGDPFDYKAQADTFYMNVESVGSIPVDQVVVRGIDTLQKKVASILLALTQMDQDKVNFASGDNNTASNMLGSNEDVMMTGAEQDPYSNASQMGNTGSGGYDNAW

Entity 6 Entity 6 polymer

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

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D

MNVSTSTFQTRRRRLKKVEEEENAATLQLGQEFQLKQINHQGEEEELIALNLSEARLVIKEALVERRRAFKRSQKKHKKKHLKHENANDETTAVEDEDDDLDEDDVNADDDDFMHSETREKELESIDVLLEQTTGGNNKDLKNTMQYLTNFSRFRDQETVGAVIQLLKSTGLHPFEVAQLGSLACDTADEAKTLIPSLNNKISDDELERILKELSNLETLY

Entity 7 Entity 7 polymer

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

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E

MDQENERNISRLWRAFRTVKEMVKDRGYFITQEEVELPLEDFKAKYCDSMGRPQRKMMSFQANPTEESISKFPDMGSLWVEFCDEPSVGVKTMKTFVIHIQEKNFQTGIFVYQNNITPSAMKLVPSIPPATIETFNEAALVVNITHHELVPKHIRLSSDEKRELLKRYRLKESQLPRIQRADPVALYLGLKRGEVVKIIRKSETSGRYASYRICM

Entity 8 Entity 8 polymer

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

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F

MSDYEEAFNDGNENFEDFDVEHFSDEETYEEKPQFKDGETTDANGKTIVTGGNGPEDFQQHEQIRRKTLKEKAIPKDQRATTPYMTKYERARILGTRALQISMNAPVFVDLEGETDPLRIAMKELAEKKIPLVIRRYLPDGSFEDWSVEELIVDL

Entity 9 Entity 9 polymer

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

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G

MFFIKDLSLNITLHPSFFGPRMKQYLKTKLLEEVEGSCTGKFGYILCVLDYDNIDIQRGRILPTDGSAEFNVKYRAVVFKPFKGEVVDGTVVSCSQHGFEVQVGPMKVFVTKHLMPQDLTFNAGSNPPSYQSSEDVITIKSRIRVKIEGCISQVSSIHAIGSIKEDYLGAI

Entity 10 Entity 10 polymer

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

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H

MSNTLFDDIFQVSEVDPGRYNKVCRIEAASTTQDQCKLTLDINVELFPVAAQDSLTVTIASSLNLEDTPANDSSATRSWRPPQAGDRSLADDYDYVMYGTAYKFEEVSKDLIAVYYSFGGLLMRLEGNYRNLNNLKQENAYLLIRR

Entity 11 Entity 11 polymer

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

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	I

MTTFRFCRDCNNMLYPREDKENNRLLFECRTCSYVEEAGSPLVYRHELITNIGETAGVVQDIGSDPTLPRSDRECPKCHSRENVFFQSQQRRKDTSMVLFFVCLSCSHIFTSDQKNKRTQFS

Entity 12 Entity 12 polymer

Description description	DNA-directed RNA polymerases II subunit RPABC5
Molecular weight formula_weight	8290.7 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	J

MIVPVRCFSCGKVVGDKWESYLNLLQEDELDEGTALSRLGLKRYCCRRMILTHVDLIEKFLRYNPLEKRD

Entity 13 Entity 13 polymer

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

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	K

MNAPDRFELFLLGEGESKLKIDPDTKAPNAVVITFEKEDHTLGNLIRAELLNDRKVLFAAYKVEHPFFARFKLRIQTTEGYDPKDALKNACNSIINKLGALKTNFETEWNLQTLAADDAF

Entity 14 Entity 14 polymer

Description description	DNA-directed RNA polymerases II subunit RPABC4
Molecular weight formula_weight	7730.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	L

MSREGFQIPTNLDAAAAGTSQARTATLKYICAECSSKLSLSRTDAVRCKDCGHRILLKARTKRLVQFEAR

Entity 15 Entity 15 polymer

Description description	;RNA (5'-R(PUPCPGPAPGPAPGPGPAPUPCPCPCPAP*A)-3') ;
Molecular weight formula_weight	4677.9 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	R

CCCCACAAAUCCCAA

Entity 16 Entity 16 polymer

Description description	Transcription initiation factor IIF subunit alpha
Molecular weight formula_weight	82320.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Q

MSRRNPPGSRNGGGPTNASPFIKRDRMRRNFLRMRMGQNGSNSSSPGVPNGDNSRGSLVKKDDPEYAEEREKMLLQIGVEADAGRSNVKVKDEDPNEYNEFPLRAIPKEDLENMRTHLLKFQSKKKINPVTDFHLPVRLHRKDTRNLQFQLTRAEIVQRQKEISEYKKKAEQERSTPNSGGMNKSGTVSLNNTVKDGSQTPTVDSVTKDNTANGVNSSIPTVTGSSVPPASPTTVSAVESNGLSNGSTSAANGLDGNASTANLANGRPLVTKLEDAGPAEDPTKVGMVKYDGKEVTNEPEFEEGTMDPLADVAPDGGGRAKRGNLRRKTRQLKVLDENAKKLRFEEFYPWVMEDFDGYNTWVGSYEAGNSDSYVLLSVEDDGSFTMIPADKVYKFTARNKYATLTIDEAEKRMDKKSGEVPRWLMKHLDNIGTTTTRYDRTRRKLKAVADQQAMDEDDRDDNSEVELDYDEEFADDEEAPIIDGNEQENKESEQRIKKEMLQANAMGLRDEEAPSENEEDELFGEKKIDEDGERIKKALQKTELAALYSSDENEINPYLSESDIENKENESPVKKEEDSDTLSKSKRSSPKKQQKKATNAHVHKEPTLRVKSIKNCVIILKGDKKILKSFPEGEWNPQTTKAVDSSNNASNTVPSPIKQEEGLNSTVAEREETPAPTITEKDIIEAIGDGKVNIKEFGKFIRRKYPGAENKKLMFAIVKKLCRKVGNDHMELKKE

Entity 17 Entity 17 polymer

Description description	Transcription initiation factor IIF subunit beta
Molecular weight formula_weight	46684.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	M

MSSGSAGAPALSNNSTNSVAKEKSGNISGDEYLSQEEEVFDGNDIENNETKVYEESLDLDLERSNRQVWLVRLPMFLAEKWRDRNNLHGQELGKIRINKDGSKITLLLNENDNDSIPHEYDLELTKKVVENEYVFTEQNLKKYQQRKKELEADPEKQRQAYLKKQEREEELKKKQQQQKRRNNRKKFNHRVMTDRDGRDRYIPYVKTIPKKTAIVGTVCHECQVMPSMNDPNYHKIVEQRRNIVKLNNKERITTLDETVGVTMSHTGMSMRSDNSNFLKVGREKAKSNIKSIRMPKKEILDYLFKLFDEYDYWSLKGLKERTRQPEAHLKECLDKVATLVKKGPYAFKYTLRPEYKKLKEEERKATLGELADEQTGSAGDNAQGDAEADLEDEIEMEDVV

Entity 18 Entity 18 non-polymer

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

Entity 19 Entity 19 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	2

▼

6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

Domain ID domain_id	7mk9A01
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	7mk9A02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	150 — DNA polymerase; domain 1
Homologous superfamily homologous superfamily	390 —

Domain ID domain_id	7mk9A03
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1360 — Gyrase A; domain 2
Homologous superfamily homologous superfamily	140 —

▶

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	3.54 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	66261

Complex structure of trailing EC of EC+EC (trailing EC-focused)

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

DNA-directed RNA polymerase subunit

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 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 II subunit RPABC5

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer