4v1o

Architecture of the RNA polymerase II-Mediator core transcription initiation complex

Method: ELECTRON MICROSCOPY

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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 23 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 RPABC 1 × 1 （P20434） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 2 × 1 （P20435） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 × 1 （P34087） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 3 × 1 （P20436） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB9 × 1 （P27999） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 5 × 1 （P22139） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB11 × 1 （P38902） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 4 × 1 （P40422） TRANSCRIPTION INITIATION FACTOR IIB × 1 （P29055） NONTEMPLATE DNA × 1 TATA-BOX-BINDING PROTEIN × 1 （P13393） RNA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT ALPHA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT BETA × 1 （P41896） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 6 × 1 （P38782） TEMPLATE DNA × 1 MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 8 × 1 （P38304） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （Q99278） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 11 × 1 （P32569） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 18 × 1 （P32585） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （P34162） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 22 × 1 （P32570） ZINC ION × 9 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 23 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 RPABC 1 × 1 （P20434） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 2 × 1 （P20435） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 × 1 （P34087） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 3 × 1 （P20436） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB9 × 1 （P27999） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 5 × 1 （P22139） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB11 × 1 （P38902） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 4 × 1 （P40422） TRANSCRIPTION INITIATION FACTOR IIB × 1 （P29055） NONTEMPLATE DNA × 1 TATA-BOX-BINDING PROTEIN × 1 （P13393） RNA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT ALPHA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT BETA × 1 （P41896） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 6 × 1 （P38782） TEMPLATE DNA × 1 MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 8 × 1 （P38304） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （Q99278） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 11 × 1 （P32569） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 18 × 1 （P32585） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （P34162） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 22 × 1 （P32570） ZINC ION × 9 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 23 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 RPABC 1 × 1 （P20434） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 2 × 1 （P20435） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 × 1 （P34087） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 3 × 1 （P20436） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB9 × 1 （P27999） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 5 × 1 （P22139） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB11 × 1 （P38902） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 4 × 1 （P40422） TRANSCRIPTION INITIATION FACTOR IIB × 1 （P29055） NONTEMPLATE DNA × 1 TATA-BOX-BINDING PROTEIN × 1 （P13393） RNA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT ALPHA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT BETA × 1 （P41896） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 6 × 1 （P38782） TEMPLATE DNA × 1 MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 8 × 1 （P38304） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （Q99278） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 11 × 1 （P32569） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 18 × 1 （P32585） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （P34162） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 22 × 1 （P32570） ZINC ION × 9 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 1–318； UniProt 1–318

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 23 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 RPABC 1 × 1 （P20434） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 2 × 1 （P20435） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 × 1 （P34087） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 3 × 1 （P20436） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB9 × 1 （P27999） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 5 × 1 （P22139） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB11 × 1 （P38902） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 4 × 1 （P40422） TRANSCRIPTION INITIATION FACTOR IIB × 1 （P29055） NONTEMPLATE DNA × 1 TATA-BOX-BINDING PROTEIN × 1 （P13393） RNA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT ALPHA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT BETA × 1 （P41896） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 6 × 1 （P38782） TEMPLATE DNA × 1 MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 8 × 1 （P38304） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （Q99278） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 11 × 1 （P32569） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 18 × 1 （P32585） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （P34162） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 22 × 1 （P32570） ZINC ION × 9 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 RPABC 1

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 23 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 RPABC 2 × 1 （P20435） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 × 1 （P34087） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 3 × 1 （P20436） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB9 × 1 （P27999） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 5 × 1 （P22139） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB11 × 1 （P38902） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 4 × 1 （P40422） TRANSCRIPTION INITIATION FACTOR IIB × 1 （P29055） NONTEMPLATE DNA × 1 TATA-BOX-BINDING PROTEIN × 1 （P13393） RNA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT ALPHA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT BETA × 1 （P41896） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 6 × 1 （P38782） TEMPLATE DNA × 1 MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 8 × 1 （P38304） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （Q99278） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 11 × 1 （P32569） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 18 × 1 （P32585） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （P34162） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 22 × 1 （P32570） ZINC ION × 9 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 RPABC 2

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 23 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 RPABC 1 × 1 （P20434） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 × 1 （P34087） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 3 × 1 （P20436） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB9 × 1 （P27999） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 5 × 1 （P22139） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB11 × 1 （P38902） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 4 × 1 （P40422） TRANSCRIPTION INITIATION FACTOR IIB × 1 （P29055） NONTEMPLATE DNA × 1 TATA-BOX-BINDING PROTEIN × 1 （P13393） RNA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT ALPHA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT BETA × 1 （P41896） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 6 × 1 （P38782） TEMPLATE DNA × 1 MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 8 × 1 （P38304） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （Q99278） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 11 × 1 （P32569） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 18 × 1 （P32585） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （P34162） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 22 × 1 （P32570） ZINC ION × 9 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 23 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 RPABC 1 × 1 （P20434） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 2 × 1 （P20435） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 3 × 1 （P20436） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB9 × 1 （P27999） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 5 × 1 （P22139） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB11 × 1 （P38902） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 4 × 1 （P40422） TRANSCRIPTION INITIATION FACTOR IIB × 1 （P29055） NONTEMPLATE DNA × 1 TATA-BOX-BINDING PROTEIN × 1 （P13393） RNA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT ALPHA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT BETA × 1 （P41896） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 6 × 1 （P38782） TEMPLATE DNA × 1 MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 8 × 1 （P38304） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （Q99278） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 11 × 1 （P32569） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 18 × 1 （P32585） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （P34162） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 22 × 1 （P32570） ZINC ION × 9 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 RPABC 3

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 23 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 RPABC 1 × 1 （P20434） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 2 × 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 RPABC 5 × 1 （P22139） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB11 × 1 （P38902） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 4 × 1 （P40422） TRANSCRIPTION INITIATION FACTOR IIB × 1 （P29055） NONTEMPLATE DNA × 1 TATA-BOX-BINDING PROTEIN × 1 （P13393） RNA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT ALPHA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT BETA × 1 （P41896） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 6 × 1 （P38782） TEMPLATE DNA × 1 MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 8 × 1 （P38304） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （Q99278） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 11 × 1 （P32569） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 18 × 1 （P32585） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （P34162） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 22 × 1 （P32570） ZINC ION × 9 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 23 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 RPABC 1 × 1 （P20434） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 2 × 1 （P20435） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 × 1 （P34087） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 3 × 1 （P20436） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 5 × 1 （P22139） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB11 × 1 （P38902） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 4 × 1 （P40422） TRANSCRIPTION INITIATION FACTOR IIB × 1 （P29055） NONTEMPLATE DNA × 1 TATA-BOX-BINDING PROTEIN × 1 （P13393） RNA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT ALPHA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT BETA × 1 （P41896） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 6 × 1 （P38782） TEMPLATE DNA × 1 MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 8 × 1 （P38304） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （Q99278） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 11 × 1 （P32569） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 18 × 1 （P32585） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （P34162） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 22 × 1 （P32570） ZINC ION × 9 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 RPABC 5

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 23 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 RPABC 1 × 1 （P20434） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 2 × 1 （P20435） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 × 1 （P34087） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 3 × 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 RPABC 4 × 1 （P40422） TRANSCRIPTION INITIATION FACTOR IIB × 1 （P29055） NONTEMPLATE DNA × 1 TATA-BOX-BINDING PROTEIN × 1 （P13393） RNA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT ALPHA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT BETA × 1 （P41896） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 6 × 1 （P38782） TEMPLATE DNA × 1 MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 8 × 1 （P38304） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （Q99278） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 11 × 1 （P32569） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 18 × 1 （P32585） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （P34162） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 22 × 1 （P32570） ZINC ION × 9 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 23 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 RPABC 1 × 1 （P20434） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 2 × 1 （P20435） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 × 1 （P34087） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 3 × 1 （P20436） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB9 × 1 （P27999） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 5 × 1 （P22139） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 4 × 1 （P40422） TRANSCRIPTION INITIATION FACTOR IIB × 1 （P29055） NONTEMPLATE DNA × 1 TATA-BOX-BINDING PROTEIN × 1 （P13393） RNA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT ALPHA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT BETA × 1 （P41896） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 6 × 1 （P38782） TEMPLATE DNA × 1 MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 8 × 1 （P38304） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （Q99278） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 11 × 1 （P32569） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 18 × 1 （P32585） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （P34162） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 22 × 1 （P32570） ZINC ION × 9 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 RPABC 4

SACCHAROMYCES CEREVISIAE

UniProt P40422

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 23 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 RPABC 1 × 1 （P20434） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 2 × 1 （P20435） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 × 1 （P34087） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 3 × 1 （P20436） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB9 × 1 （P27999） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 5 × 1 （P22139） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB11 × 1 （P38902） TRANSCRIPTION INITIATION FACTOR IIB × 1 （P29055） NONTEMPLATE DNA × 1 TATA-BOX-BINDING PROTEIN × 1 （P13393） RNA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT ALPHA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT BETA × 1 （P41896） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 6 × 1 （P38782） TEMPLATE DNA × 1 MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 8 × 1 （P38304） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （Q99278） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 11 × 1 （P32569） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 18 × 1 （P32585） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （P34162） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 22 × 1 （P32570） ZINC ION × 9 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

TRANSCRIPTION INITIATION FACTOR IIB

SACCHAROMYCES CEREVISIAE

UniProt P29055

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 23 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 RPABC 1 × 1 （P20434） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 2 × 1 （P20435） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 × 1 （P34087） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 3 × 1 （P20436） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB9 × 1 （P27999） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 5 × 1 （P22139） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB11 × 1 （P38902） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 4 × 1 （P40422） NONTEMPLATE DNA × 1 TATA-BOX-BINDING PROTEIN × 1 （P13393） RNA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT ALPHA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT BETA × 1 （P41896） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 6 × 1 （P38782） TEMPLATE DNA × 1 MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 8 × 1 （P38304） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （Q99278） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 11 × 1 （P32569） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 18 × 1 （P32585） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （P34162） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 22 × 1 （P32570） ZINC ION × 9 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	TF2B_YEAST
Isoform	—
PDB entities	13
Chains and sequence ranges	Author chain M； PDBConstruct 1–345； UniProt 1–345

TATA-BOX-BINDING PROTEIN

SACCHAROMYCES CEREVISIAE

UniProt P13393

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 23 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 RPABC 1 × 1 （P20434） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 2 × 1 （P20435） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 × 1 （P34087） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 3 × 1 （P20436） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB9 × 1 （P27999） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 5 × 1 （P22139） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB11 × 1 （P38902） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 4 × 1 （P40422） TRANSCRIPTION INITIATION FACTOR IIB × 1 （P29055） NONTEMPLATE DNA × 1 RNA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT ALPHA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT BETA × 1 （P41896） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 6 × 1 （P38782） TEMPLATE DNA × 1 MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 8 × 1 （P38304） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （Q99278） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 11 × 1 （P32569） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 18 × 1 （P32585） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （P34162） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 22 × 1 （P32570） ZINC ION × 9 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	TBP_YEAST
Isoform	—
PDB entities	15
Chains and sequence ranges	Author chain O； PDBConstruct 2–181； UniProt 61–240

TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT BETA

SACCHAROMYCES CEREVISIAE

UniProt P41896

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 23 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 RPABC 1 × 1 （P20434） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 2 × 1 （P20435） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 × 1 （P34087） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 3 × 1 （P20436） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB9 × 1 （P27999） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 5 × 1 （P22139） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB11 × 1 （P38902） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 4 × 1 （P40422） TRANSCRIPTION INITIATION FACTOR IIB × 1 （P29055） NONTEMPLATE DNA × 1 TATA-BOX-BINDING PROTEIN × 1 （P13393） RNA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT ALPHA × 1 MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 6 × 1 （P38782） TEMPLATE DNA × 1 MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 8 × 1 （P38304） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （Q99278） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 11 × 1 （P32569） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 18 × 1 （P32585） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （P34162） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 22 × 1 （P32570） ZINC ION × 9 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	T2FB_YEAST
Isoform	—
PDB entities	18
Chains and sequence ranges	Author chain R； PDBConstruct 1–140； UniProt 1–140 Author chain R； PDBConstruct 141–331； UniProt 210–400

MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 6

SACCHAROMYCES CEREVISIAE

UniProt P38782

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 23 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 RPABC 1 × 1 （P20434） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 2 × 1 （P20435） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 × 1 （P34087） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 3 × 1 （P20436） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB9 × 1 （P27999） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 5 × 1 （P22139） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB11 × 1 （P38902） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 4 × 1 （P40422） TRANSCRIPTION INITIATION FACTOR IIB × 1 （P29055） NONTEMPLATE DNA × 1 TATA-BOX-BINDING PROTEIN × 1 （P13393） RNA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT ALPHA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT BETA × 1 （P41896） TEMPLATE DNA × 1 MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 8 × 1 （P38304） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （Q99278） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 11 × 1 （P32569） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 18 × 1 （P32585） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （P34162） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 22 × 1 （P32570） ZINC ION × 9 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MED6_YEAST
Isoform	—
PDB entities	19
Chains and sequence ranges	Author chain S； PDBConstruct 1–295； UniProt 1–295

MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 8

SACCHAROMYCES CEREVISIAE

UniProt P38304

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 23 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 RPABC 1 × 1 （P20434） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 2 × 1 （P20435） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 × 1 （P34087） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 3 × 1 （P20436） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB9 × 1 （P27999） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 5 × 1 （P22139） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB11 × 1 （P38902） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 4 × 1 （P40422） TRANSCRIPTION INITIATION FACTOR IIB × 1 （P29055） NONTEMPLATE DNA × 1 TATA-BOX-BINDING PROTEIN × 1 （P13393） RNA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT ALPHA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT BETA × 1 （P41896） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 6 × 1 （P38782） TEMPLATE DNA × 1 MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （Q99278） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 11 × 1 （P32569） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 18 × 1 （P32585） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （P34162） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 22 × 1 （P32570） ZINC ION × 9 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MED8_YEAST
Isoform	—
PDB entities	21
Chains and sequence ranges	Author chain U； PDBConstruct 1–222； UniProt 2–223

MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20

SACCHAROMYCES CEREVISIAE

UniProt Q99278

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 23 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 RPABC 1 × 1 （P20434） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 2 × 1 （P20435） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 × 1 （P34087） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 3 × 1 （P20436） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB9 × 1 （P27999） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 5 × 1 （P22139） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB11 × 1 （P38902） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 4 × 1 （P40422） TRANSCRIPTION INITIATION FACTOR IIB × 1 （P29055） NONTEMPLATE DNA × 1 TATA-BOX-BINDING PROTEIN × 1 （P13393） RNA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT ALPHA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT BETA × 1 （P41896） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 6 × 1 （P38782） TEMPLATE DNA × 1 MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 8 × 1 （P38304） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 11 × 1 （P32569） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 18 × 1 （P32585） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （P34162） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 22 × 1 （P32570） ZINC ION × 9 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MED11_YEAST
Isoform	—
PDB entities	22
Chains and sequence ranges	Author chain V； PDBConstruct 1–115； UniProt 1–115

MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 11

SACCHAROMYCES CEREVISIAE

UniProt P32569

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 23 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 RPABC 1 × 1 （P20434） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 2 × 1 （P20435） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 × 1 （P34087） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 3 × 1 （P20436） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB9 × 1 （P27999） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 5 × 1 （P22139） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB11 × 1 （P38902） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 4 × 1 （P40422） TRANSCRIPTION INITIATION FACTOR IIB × 1 （P29055） NONTEMPLATE DNA × 1 TATA-BOX-BINDING PROTEIN × 1 （P13393） RNA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT ALPHA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT BETA × 1 （P41896） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 6 × 1 （P38782） TEMPLATE DNA × 1 MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 8 × 1 （P38304） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （Q99278） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 18 × 1 （P32585） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （P34162） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 22 × 1 （P32570） ZINC ION × 9 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MED17_YEAST
Isoform	—
PDB entities	23
Chains and sequence ranges	Author chain W； PDBConstruct 1–687； UniProt 1–687

MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 18

SACCHAROMYCES CEREVISIAE

UniProt P32585

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 23 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 RPABC 1 × 1 （P20434） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 2 × 1 （P20435） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 × 1 （P34087） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 3 × 1 （P20436） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB9 × 1 （P27999） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 5 × 1 （P22139） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB11 × 1 （P38902） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 4 × 1 （P40422） TRANSCRIPTION INITIATION FACTOR IIB × 1 （P29055） NONTEMPLATE DNA × 1 TATA-BOX-BINDING PROTEIN × 1 （P13393） RNA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT ALPHA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT BETA × 1 （P41896） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 6 × 1 （P38782） TEMPLATE DNA × 1 MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 8 × 1 （P38304） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （Q99278） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 11 × 1 （P32569） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （P34162） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 22 × 1 （P32570） ZINC ION × 9 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MED18_YEAST
Isoform	—
PDB entities	24
Chains and sequence ranges	Author chain X； PDBConstruct 1–307； UniProt 1–307

MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20

SACCHAROMYCES CEREVISIAE

UniProt P34162

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 23 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 RPABC 1 × 1 （P20434） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 2 × 1 （P20435） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 × 1 （P34087） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 3 × 1 （P20436） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB9 × 1 （P27999） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 5 × 1 （P22139） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB11 × 1 （P38902） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 4 × 1 （P40422） TRANSCRIPTION INITIATION FACTOR IIB × 1 （P29055） NONTEMPLATE DNA × 1 TATA-BOX-BINDING PROTEIN × 1 （P13393） RNA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT ALPHA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT BETA × 1 （P41896） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 6 × 1 （P38782） TEMPLATE DNA × 1 MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 8 × 1 （P38304） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （Q99278） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 11 × 1 （P32569） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 18 × 1 （P32585） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 22 × 1 （P32570） ZINC ION × 9 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MED20_YEAST
Isoform	—
PDB entities	25
Chains and sequence ranges	Author chain Y； PDBConstruct 1–209； UniProt 2–210

MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 22

SACCHAROMYCES CEREVISIAE

UniProt P32570

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 23 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 RPABC 1 × 1 （P20434） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 2 × 1 （P20435） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB7 × 1 （P34087） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 3 × 1 （P20436） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB9 × 1 （P27999） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 5 × 1 （P22139） DNA-DIRECTED RNA POLYMERASE II SUBUNIT RPB11 × 1 （P38902） DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 4 × 1 （P40422） TRANSCRIPTION INITIATION FACTOR IIB × 1 （P29055） NONTEMPLATE DNA × 1 TATA-BOX-BINDING PROTEIN × 1 （P13393） RNA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT ALPHA × 1 TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT BETA × 1 （P41896） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 6 × 1 （P38782） TEMPLATE DNA × 1 MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 8 × 1 （P38304） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （Q99278） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 11 × 1 （P32569） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 18 × 1 （P32585） MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20 × 1 （P34162） ZINC ION × 9 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MED22_YEAST
Isoform	—
PDB entities	26
Chains and sequence ranges	Author chain Z； PDBConstruct 1–120； UniProt 2–121

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	4v1o
Deposition date deposition_date	2014-09-29
Structure title title	Architecture of the RNA polymerase II-Mediator core transcription initiation complex
Keywords keywords	TRANSCRIPTION, TRANSCRIPTION INITIATION, RNA POLYMERASE II, GENERAL TRANSCRIPTION FACTORS; 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.

4v1o__assembly_1__model_1

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

Download this curve (.dat)

4v1o__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4v1o__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	64.15 Å
Rg (electron density)	62.64 Å
Total Rg	62.13 Å
Atom count	45089
Residues	6128
Excluded volume	784170 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4v1o__assembly_1__model_1`	26-meric （26）	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 (28)

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	45091

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	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 4 Entity 4 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 5 Entity 5 polymer

Description description	DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 1
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 6 Entity 6 polymer

Description description	DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 2
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 7 Entity 7 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 8 Entity 8 polymer

Description description	DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 3
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 9 Entity 9 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 10 Entity 10 polymer

Description description	DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 5
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 11 Entity 11 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 12 Entity 12 polymer

Description description	DNA-DIRECTED RNA POLYMERASES I, II, AND III SUBUNIT RPABC 4
Molecular weight formula_weight	7730.0 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	L

MSREGFQIPTNLDAAAAGTSQARTATLKYICAECSSKLSLSRTDAVRCKDCGHRILLKARTKRLVQFEAR

Source Source

Source organism organism	SACCHAROMYCES CEREVISIAE
Common name common_name	;BAKER'S YEAST ;
NCBI taxonomy ID ncbi_taxonomy_id	4932
Host organism host_organism	ESCHERICHIA COLI

Entity 13 Entity 13 polymer

Description description	TRANSCRIPTION INITIATION FACTOR IIB
Molecular weight formula_weight	38257.3 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	M

MMTRESIDKRAGRRGPNLNIVLTCPECKVYPPKIVERFSEGDVVCALCGLVLSDKLVDTRSEWRTFSNDDHNGDDPSRVGEASNPLLDGNNLSTRIGKGETTDMRFTKELNKAQGKNVMDKKDNEVQAAFAKITMLCDAAELPKIVKDCAKEAYKLCHDEKTLKGKSMESIMAASILIGCRRAEVARTFKEIQSLIHVKTKEFGKTLNIMKNILRGKSEDGFLKIDTDNMSGAQNLTYIPRFCSHLGLPMQVTTSAEYTAKKCKEIKEIAGKSPITIAVVSIYLNILLFQIPITAAKVGQTLQVTEGTIKSGYKILYEHRDKLVDPQLIANGVVSLDNLPGVEKK

Source Source

Source organism organism	SACCHAROMYCES CEREVISIAE
Common name common_name	;BAKER'S YEAST ;
NCBI taxonomy ID ncbi_taxonomy_id	4932
Host organism host_organism	ESCHERICHIA COLI

Entity 14 Entity 14 polymer

Description description	NONTEMPLATE DNA
Molecular weight formula_weight	15449.9 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	N

AACAGTAGCACGCTGTGTATATAATAGTGTGTTGTACAGCACAACTGCGC

Entity 15 Entity 15 polymer

Description description	TATA-BOX-BINDING PROTEIN
Molecular weight formula_weight	20251.9 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	O

MSGIVPTLQNIVATVTLGCRLDLKTVALHARNAEYNPKRFAAVIMRIREPKTTALIFASGKMVVTGAKSEDDSKLASRKYARIIQKIGFAAKFTDFKIQNIVGSCDVKFPIRLEGLAFSHGTFSSYEPELFPGLIYRMVKPKIVLLIFVSGKIVLTGAKQREEIYQAFEAIYPVLSEFRKM

Source Source

Source organism organism	SACCHAROMYCES CEREVISIAE
Common name common_name	;BAKER'S YEAST ;
NCBI taxonomy ID ncbi_taxonomy_id	4932
Host organism host_organism	ESCHERICHIA COLI

Entity 16 Entity 16 polymer

Description description	RNA
Molecular weight formula_weight	1860.2 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	P

AUAUCA

Entity 17 Entity 17 polymer

Description description	TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT ALPHA
Molecular weight formula_weight	82366.1 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Q

MSRRNPPGSRNGGGPTNASPFIKRDRMRRNFLRMRMGQNSSNSSSSSVLNENGSRGSLVKKDDPEYAEERERMLLQIGVEADAGRSNVKVKDEDPNEYNEFPLRAIPKEDLENMRTHLLKFQSKKKINPVTDFHLPVRLHRKDSRNFQFQLTRAEIVQSQREICEYKKKADQERSTPIPGGMNKPGTVPLNNTARDGSQTPVIDSAIKDNATNGVNSMTATATGSSVPPASPNPASAVENNAVAIGSSGASGTVATDPTNGKLLVTKLEDAGPAEDPTKVGMVKYDGKEVANEPEFEEGTMDPLADVAPDGGGRAKRGNMRRKTRQLKVLDENAKKLRFEEFYPWVMEDFDGYNTWVGSYEAGNSDSYVLLSVEDDGSFTMIPADKVYKFTARNKYATLTIDEAEKRMDKKSGEVPRWLMKHLDNIGTTTTRYDRTRRKLKAVADQQAMDEDDRDDNSEVELDYDEEFADDEEAPIIDGNEQENKESEQRIKKEMLQANAMGLRDEEAPSGNEEDELFGEKKIDEDGEKIKKALQKTELAALYSSDEDEINPYLSESDIENKENEPSVKKEEDIDSLSKSKKSSPKKQQKKTANAHVHKEPNLRVKSIKDCVIILKGDKKVLKSFPEGEWNPHAAKIKDISGNESNAVSAPIKKEKPLESIVVQEKETPAPLITEQDIIDAIGDGKVNVKEFGKSIRRRYPGAENKKLMFAIVKKLCRKVDNEHMELKKEQVYL

Source Source

Source organism organism	SACCHAROMYCES MIKATAE
NCBI taxonomy ID ncbi_taxonomy_id	114525
Host organism host_organism	ESCHERICHIA COLI

Entity 18 Entity 18 polymer

Description description	TRANSCRIPTION INITIATION FACTOR IIF SUBUNIT BETA
Molecular weight formula_weight	37918.4 kDa
EC 编号 ec_number	3.6.4.12
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	R

MSSGSAGAPALSNNSTNSVAKEKSGNISGDEYLSQEEEVFDGNDIENNETKVYEESLDLDLERSNRQVWLVRLPMFLAEKWRDRNNLHGQELGKIRINKDGSKITLLLNENDNDSIPHEYDLELTKKVVENEYVFTEQNLKKTAIVGTVCHECQVMPSMNDPNYHKIVEQRRNIVKLNNKERITTLDETVGVTMSHTGMSMRSDNSNFLKVGREKAKSNIKSIRMPKKEILDYLFKLFDEYDYWSLKGLKERTRQPEAHLKECLDKVATLVKKGPYAFKYTLRPEYKKLKEEERKATLGELADEQTGSAGDNAQGDAEADLEDEIEMEDVV

Source Source

Source organism organism	SACCHAROMYCES CEREVISIAE
Common name common_name	;BAKER'S YEAST ;
NCBI taxonomy ID ncbi_taxonomy_id	4932
Host organism host_organism	ESCHERICHIA COLI

Entity 19 Entity 19 polymer

Description description	MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 6
Molecular weight formula_weight	32844.7 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	S

MNVTPLDELQWKSPEWIQVFGLRTENVLDYFAESPFFDKTSNNQVIKMQRQFSQLNDPNAAVNMTQNIMTLPDGKNGNLEEEFAYVDPARRQILFKYPMYMQLEEELMKLDGTEYVLSSVREPDFWVIRKQRRTNNSGVGSAKGPEIIPLQDYYIIGANIYQSPTIFKIVQSRLMSTSYHLNSTLESLYDLIEFQPSQGVHYKVPTDTSTTATAATNGNNAGGGSNKSSVRPTGGANMATVPSTTNVNMTVNTMGTGGQTIDNGTGRTGNGNMGITTEMLDKLMVTSIRSTPNYI

Source Source

Source organism organism	SACCHAROMYCES CEREVISIAE
Common name common_name	;BAKER'S YEAST ;
NCBI taxonomy ID ncbi_taxonomy_id	4932
Host organism host_organism	ESCHERICHIA COLI

Entity 20 Entity 20 polymer

Description description	TEMPLATE DNA
Molecular weight formula_weight	17812.4 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	T

GCGCAGTTGTGCTATGATATTTTACAACACACTATTATATACACAGCGTGCTACTGTT

Entity 21 Entity 21 polymer

Description description	MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 8
Molecular weight formula_weight	25166.0 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	U

SQSTASLVPEGNQGSLQEDVSFDFNGVPGQALDAVRMRLAQLTHSLRRIRDEMSKAELPQWYTLQSQLNVTLSQLVSVTSTLQHFQETLDSTVVYPLPKFPTTSHESLVTTLLRKKNIPEVDEWMKYVRETSGVTTALLKDEEIEKLLQQDREITNWARTTFRNEYGKHDFKNEESLSEEHASLLVRDSKPSKPFNVDDVLKFTFTGEKPIITGSTSTSSSN

Source Source

Source organism organism	SACCHAROMYCES CEREVISIAE
Common name common_name	;BAKER'S YEAST ;
NCBI taxonomy ID ncbi_taxonomy_id	4932
Host organism host_organism	ESCHERICHIA COLI

Entity 22 Entity 22 polymer

Description description	MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20
Molecular weight formula_weight	13324.2 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	V

MQPPYIQERLKSLNDIETQLCSMLQEASQVTFIFGELKRGNESVKPQFENHVKQFYERLDKSTTQLRKEIQLLDENVGTRLLPINVNKKALGQDTEKMEEQLDLLSAILDPSKSK

Source Source

Source organism organism	SACCHAROMYCES CEREVISIAE
Common name common_name	;BAKER'S YEAST ;
NCBI taxonomy ID ncbi_taxonomy_id	4932
Host organism host_organism	ESCHERICHIA COLI

Entity 23 Entity 23 polymer

Description description	MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 11
Molecular weight formula_weight	78508.7 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	W

GTTEDPDSNHLSSETGIKLALDPNLITLALSSNPNSSLHSPTSDEPVPESAGKADTSIRLEGDELENKTKKDNDKNLKFLKNKDSLVSNPHEIYGSMPLEQLIPIILRQRGPGFKFVDLNEKELQNEIKQLGSDSSDGHNSEKKDTDGADENVQIGEDFMEVDYEDKDNPVDSRNETDHKTNENGETDDNIETVMTQEQFVKRRRDMLEHINLAMNESSLALEFVSLLLSSVKESTGMSSMSPFLRKVVKPSSLNSDKIPYVAPTKKEYIELDILNKGWKLQSLNESKDLLRASFNKLSSILQNEHDYWNKIMQSISNKDVIFKIRDRTSGQKLLAIKYGYEDSGSTYKHDRGIANIRNNIESQNLDLIPHSSSVFKGTDFVHSVKKFLRVRIFTKIESEDDYILSGESVMDRDSESEEAETKDIRKQIQLLKKIIFEKELMYQIKKECALLISYGVSIENENKVIIELPNEKFEIELLSLDDDSIVNHEQDLPKINDKRANLMLVMLRLLLVVIFKKTLRSRISSPHGLINLNVDDDILIIRPILGKVRFANYKLLLKKIIKDYVLDIVPGSSITETEVEREQPQENKNIDDENITKLNKEIRAFDKLLNIPRRELKINLPLTEHKSPNLSLMLESPNYCNALIHIKFSAGTEANAVSFDTTFSDFKEVEDFLHFIVAEYIQQKKV

Source Source

Source organism organism	SACCHAROMYCES CEREVISIAE
Common name common_name	;BAKER'S YEAST ;
NCBI taxonomy ID ncbi_taxonomy_id	4932
Host organism host_organism	ESCHERICHIA COLI

Entity 24 Entity 24 polymer

Description description	MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 18
Molecular weight formula_weight	34316.5 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	X

MVQQLSLFGSIGDDGYDLLISTLTTISGNPPLLYNSLCTVWKPNPSYDVENVNSRNQLVEPNRIKLSKEVPFSYLIDETMMDKPLNFRILKSFTNDKIPLNYAMTRNILHNTVPQVTNFNSTNEDQNNSKHTEDTVNESRNSDDIIDVDMDASPAPSNESCSPWSLQISDIPAAGNNRSVSMQTIAETIILSSAGKNSSVSSLMNGLGYVFEFQYLTIGVKFFMKHGLILELQKIWQIEEAGNSQITSGGFLLKAYINVSRGTDIDRINYTETALMNLKKELQGYIELSVPDRQSMDSRVAHGNILI

Source Source

Source organism organism	SACCHAROMYCES CEREVISIAE
Common name common_name	;BAKER'S YEAST ;
NCBI taxonomy ID ncbi_taxonomy_id	4932
Host organism host_organism	ESCHERICHIA COLI

Entity 25 Entity 25 polymer

Description description	MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 20
Molecular weight formula_weight	22786.9 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Y

GKSAVIFVERATPATLTELKDALSNSILSVRDPWSIDFRTYRCSIKNLPADVSKLMYSITFHHHGRQTVLIKDNSAMVTTAAAADIPPALVFNGSSTGVPESIDTILSSKLSNIWMQRQLIKGDAGETLILDGLTVRLVNLFSSTGFKGLLIELQADEAGEFETKIAGIEGHLAEIRAKEYKTSSDSLGPDTSNEICDLAYQYVRALEL

Source Source

Source organism organism	SACCHAROMYCES CEREVISIAE
Common name common_name	;BAKER'S YEAST ;
NCBI taxonomy ID ncbi_taxonomy_id	4932
Host organism host_organism	ESCHERICHIA COLI

Entity 26 Entity 26 polymer

Description description	MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 22
Molecular weight formula_weight	13744.5 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Z

SNQALYEKLEQTRTILSVKLAELINMTTIADRNDDDEGSFAQENSELAVATTSVMMVNNQTMQLIKNVQDLLILTRSIKEKWLLNQIPVTEHSKVTRFDEKQIEELLDNCIETFVAEKTT

Source Source

Source organism organism	SACCHAROMYCES CEREVISIAE
Common name common_name	;BAKER'S YEAST ;
NCBI taxonomy ID ncbi_taxonomy_id	4932
Host organism host_organism	ESCHERICHIA COLI

Entity 27 Entity 27 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	9

Entity 28 Entity 28 non-polymer

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

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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	1

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

Resolution resolution	9.700 Å
Low-resolution limit resolution_low	— Å
R factor r_factor	—
R_work r_work	—
R_free r_free	—

Resolution resolution	9.70 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	3267

Architecture of the RNA polymerase II-Mediator core transcription initiation complex

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 RPABC 1

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 RPABC 2

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 RPABC 3

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 RPABC 5

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer