8xrm

RNA polymerase II elongation complex with DSIF, SPT6, and ELOF1 transcribing genomic DNA extracted from human nuclei

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 16 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB2 × 1 （P30876） DNA-directed RNA polymerase II subunit RPB3 × 1 （P19387） DNA-directed RNA polymerase II subunit RPB4 × 1 （O15514） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P19388） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P61218） DNA-directed RNA polymerase II subunit RPB7 × 1 （P62487） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P52434） DNA-directed RNA polymerase II subunit RPB9 × 1 （P36954） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P62875） DNA-directed RNA polymerase II subunit RPB11-a × 1 （P52435） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P53803） Transcription elongation factor SPT6 × 1 （Q7KZ85） DNA × 1 RNA × 1 Transcription elongation factor 1 homolog × 1 （P60002） DNA × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 10 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPB1_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–1970； UniProt 1–1970

DNA-directed RNA polymerase II subunit RPB2

OrganismNot specified

UniProt P30876

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 16 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P24928） DNA-directed RNA polymerase II subunit RPB3 × 1 （P19387） DNA-directed RNA polymerase II subunit RPB4 × 1 （O15514） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P19388） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P61218） DNA-directed RNA polymerase II subunit RPB7 × 1 （P62487） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P52434） DNA-directed RNA polymerase II subunit RPB9 × 1 （P36954） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P62875） DNA-directed RNA polymerase II subunit RPB11-a × 1 （P52435） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P53803） Transcription elongation factor SPT6 × 1 （Q7KZ85） DNA × 1 RNA × 1 Transcription elongation factor 1 homolog × 1 （P60002） DNA × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 10 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPB2_HUMAN
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–1174； UniProt 1–1174

DNA-directed RNA polymerase II subunit RPB3

Homo sapiens

UniProt P19387

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 16 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P24928） DNA-directed RNA polymerase II subunit RPB2 × 1 （P30876） DNA-directed RNA polymerase II subunit RPB4 × 1 （O15514） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P19388） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P61218） DNA-directed RNA polymerase II subunit RPB7 × 1 （P62487） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P52434） DNA-directed RNA polymerase II subunit RPB9 × 1 （P36954） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P62875） DNA-directed RNA polymerase II subunit RPB11-a × 1 （P52435） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P53803） Transcription elongation factor SPT6 × 1 （Q7KZ85） DNA × 1 RNA × 1 Transcription elongation factor 1 homolog × 1 （P60002） DNA × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 10 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPB3_HUMAN
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain C； PDBConstruct 18–292； UniProt 1–275

DNA-directed RNA polymerase II subunit RPB4

OrganismNot specified

UniProt O15514

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 16 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P24928） DNA-directed RNA polymerase II subunit RPB2 × 1 （P30876） DNA-directed RNA polymerase II subunit RPB3 × 1 （P19387） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P19388） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P61218） DNA-directed RNA polymerase II subunit RPB7 × 1 （P62487） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P52434） DNA-directed RNA polymerase II subunit RPB9 × 1 （P36954） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P62875） DNA-directed RNA polymerase II subunit RPB11-a × 1 （P52435） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P53803） Transcription elongation factor SPT6 × 1 （Q7KZ85） DNA × 1 RNA × 1 Transcription elongation factor 1 homolog × 1 （P60002） DNA × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 10 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPB4_HUMAN
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain D； PDBConstruct 1–142； UniProt 1–142

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

OrganismNot specified

UniProt P19388

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 16 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P24928） DNA-directed RNA polymerase II subunit RPB2 × 1 （P30876） DNA-directed RNA polymerase II subunit RPB3 × 1 （P19387） DNA-directed RNA polymerase II subunit RPB4 × 1 （O15514） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P61218） DNA-directed RNA polymerase II subunit RPB7 × 1 （P62487） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P52434） DNA-directed RNA polymerase II subunit RPB9 × 1 （P36954） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P62875） DNA-directed RNA polymerase II subunit RPB11-a × 1 （P52435） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P53803） Transcription elongation factor SPT6 × 1 （Q7KZ85） DNA × 1 RNA × 1 Transcription elongation factor 1 homolog × 1 （P60002） DNA × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 10 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPAB1_HUMAN
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain E； PDBConstruct 1–210； UniProt 1–210

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

OrganismNot specified

UniProt P61218

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 16 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P24928） DNA-directed RNA polymerase II subunit RPB2 × 1 （P30876） DNA-directed RNA polymerase II subunit RPB3 × 1 （P19387） DNA-directed RNA polymerase II subunit RPB4 × 1 （O15514） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P19388） DNA-directed RNA polymerase II subunit RPB7 × 1 （P62487） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P52434） DNA-directed RNA polymerase II subunit RPB9 × 1 （P36954） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P62875） DNA-directed RNA polymerase II subunit RPB11-a × 1 （P52435） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P53803） Transcription elongation factor SPT6 × 1 （Q7KZ85） DNA × 1 RNA × 1 Transcription elongation factor 1 homolog × 1 （P60002） DNA × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 10 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPAB2_HUMAN
Isoform	—
PDB entities	6
Chains and sequence ranges	Author chain F； PDBConstruct 1–127； UniProt 1–127

DNA-directed RNA polymerase II subunit RPB7

OrganismNot specified

UniProt P62487

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 16 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P24928） DNA-directed RNA polymerase II subunit RPB2 × 1 （P30876） DNA-directed RNA polymerase II subunit RPB3 × 1 （P19387） DNA-directed RNA polymerase II subunit RPB4 × 1 （O15514） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P19388） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P61218） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P52434） DNA-directed RNA polymerase II subunit RPB9 × 1 （P36954） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P62875） DNA-directed RNA polymerase II subunit RPB11-a × 1 （P52435） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P53803） Transcription elongation factor SPT6 × 1 （Q7KZ85） DNA × 1 RNA × 1 Transcription elongation factor 1 homolog × 1 （P60002） DNA × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 10 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPB7_HUMAN
Isoform	—
PDB entities	7
Chains and sequence ranges	Author chain G； PDBConstruct 1–172； UniProt 1–172

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

OrganismNot specified

UniProt P52434

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 16 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P24928） DNA-directed RNA polymerase II subunit RPB2 × 1 （P30876） DNA-directed RNA polymerase II subunit RPB3 × 1 （P19387） DNA-directed RNA polymerase II subunit RPB4 × 1 （O15514） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P19388） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P61218） DNA-directed RNA polymerase II subunit RPB7 × 1 （P62487） DNA-directed RNA polymerase II subunit RPB9 × 1 （P36954） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P62875） DNA-directed RNA polymerase II subunit RPB11-a × 1 （P52435） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P53803） Transcription elongation factor SPT6 × 1 （Q7KZ85） DNA × 1 RNA × 1 Transcription elongation factor 1 homolog × 1 （P60002） DNA × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 10 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPAB3_HUMAN
Isoform	—
PDB entities	8
Chains and sequence ranges	Author chain H； PDBConstruct 1–150； UniProt 1–150

DNA-directed RNA polymerase II subunit RPB9

OrganismNot specified

UniProt P36954

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 16 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P24928） DNA-directed RNA polymerase II subunit RPB2 × 1 （P30876） DNA-directed RNA polymerase II subunit RPB3 × 1 （P19387） DNA-directed RNA polymerase II subunit RPB4 × 1 （O15514） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P19388） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P61218） DNA-directed RNA polymerase II subunit RPB7 × 1 （P62487） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P52434） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P62875） DNA-directed RNA polymerase II subunit RPB11-a × 1 （P52435） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P53803） Transcription elongation factor SPT6 × 1 （Q7KZ85） DNA × 1 RNA × 1 Transcription elongation factor 1 homolog × 1 （P60002） DNA × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 10 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPB9_HUMAN
Isoform	—
PDB entities	9
Chains and sequence ranges	Author chain I； PDBConstruct 1–125； UniProt 1–125

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

OrganismNot specified

UniProt P62875

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 16 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P24928） DNA-directed RNA polymerase II subunit RPB2 × 1 （P30876） DNA-directed RNA polymerase II subunit RPB3 × 1 （P19387） DNA-directed RNA polymerase II subunit RPB4 × 1 （O15514） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P19388） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P61218） DNA-directed RNA polymerase II subunit RPB7 × 1 （P62487） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P52434） DNA-directed RNA polymerase II subunit RPB9 × 1 （P36954） DNA-directed RNA polymerase II subunit RPB11-a × 1 （P52435） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P53803） Transcription elongation factor SPT6 × 1 （Q7KZ85） DNA × 1 RNA × 1 Transcription elongation factor 1 homolog × 1 （P60002） DNA × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 10 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPAB5_HUMAN
Isoform	—
PDB entities	10
Chains and sequence ranges	Author chain J； PDBConstruct 1–67； UniProt 1–67

DNA-directed RNA polymerase II subunit RPB11-a

OrganismNot specified

UniProt P52435

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 16 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P24928） DNA-directed RNA polymerase II subunit RPB2 × 1 （P30876） DNA-directed RNA polymerase II subunit RPB3 × 1 （P19387） DNA-directed RNA polymerase II subunit RPB4 × 1 （O15514） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P19388） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P61218） DNA-directed RNA polymerase II subunit RPB7 × 1 （P62487） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P52434） DNA-directed RNA polymerase II subunit RPB9 × 1 （P36954） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P62875） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P53803） Transcription elongation factor SPT6 × 1 （Q7KZ85） DNA × 1 RNA × 1 Transcription elongation factor 1 homolog × 1 （P60002） DNA × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 10 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPB11_HUMAN
Isoform	—
PDB entities	11
Chains and sequence ranges	Author chain K； PDBConstruct 1–117； UniProt 1–117

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

OrganismNot specified

UniProt P53803

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 16 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P24928） DNA-directed RNA polymerase II subunit RPB2 × 1 （P30876） DNA-directed RNA polymerase II subunit RPB3 × 1 （P19387） DNA-directed RNA polymerase II subunit RPB4 × 1 （O15514） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P19388） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P61218） DNA-directed RNA polymerase II subunit RPB7 × 1 （P62487） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P52434） DNA-directed RNA polymerase II subunit RPB9 × 1 （P36954） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P62875） DNA-directed RNA polymerase II subunit RPB11-a × 1 （P52435） Transcription elongation factor SPT6 × 1 （Q7KZ85） DNA × 1 RNA × 1 Transcription elongation factor 1 homolog × 1 （P60002） DNA × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 10 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPAB4_HUMAN
Isoform	—
PDB entities	12
Chains and sequence ranges	Author chain L； PDBConstruct 1–58； UniProt 1–58

Transcription elongation factor SPT6

OrganismNot specified

UniProt Q7KZ85

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 16 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P24928） DNA-directed RNA polymerase II subunit RPB2 × 1 （P30876） DNA-directed RNA polymerase II subunit RPB3 × 1 （P19387） DNA-directed RNA polymerase II subunit RPB4 × 1 （O15514） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P19388） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P61218） DNA-directed RNA polymerase II subunit RPB7 × 1 （P62487） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P52434） DNA-directed RNA polymerase II subunit RPB9 × 1 （P36954） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P62875） DNA-directed RNA polymerase II subunit RPB11-a × 1 （P52435） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P53803） DNA × 1 RNA × 1 Transcription elongation factor 1 homolog × 1 （P60002） DNA × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 10 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SPT6H_HUMAN
Isoform	—
PDB entities	13
Chains and sequence ranges	Author chain M； PDBConstruct 1–1726； UniProt 1–1726

Transcription elongation factor 1 homolog

OrganismNot specified

UniProt P60002

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 16 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P24928） DNA-directed RNA polymerase II subunit RPB2 × 1 （P30876） DNA-directed RNA polymerase II subunit RPB3 × 1 （P19387） DNA-directed RNA polymerase II subunit RPB4 × 1 （O15514） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P19388） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P61218） DNA-directed RNA polymerase II subunit RPB7 × 1 （P62487） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P52434） DNA-directed RNA polymerase II subunit RPB9 × 1 （P36954） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P62875） DNA-directed RNA polymerase II subunit RPB11-a × 1 （P52435） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P53803） Transcription elongation factor SPT6 × 1 （Q7KZ85） DNA × 1 RNA × 1 DNA × 1 Transcription elongation factor SPT4 × 1 （P63272） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 10 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	ELOF1_HUMAN
Isoform	—
PDB entities	16
Chains and sequence ranges	Author chain Q； PDBConstruct 1–83； UniProt 1–83

Transcription elongation factor SPT4

OrganismNot specified

UniProt P63272

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 16 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P24928） DNA-directed RNA polymerase II subunit RPB2 × 1 （P30876） DNA-directed RNA polymerase II subunit RPB3 × 1 （P19387） DNA-directed RNA polymerase II subunit RPB4 × 1 （O15514） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P19388） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P61218） DNA-directed RNA polymerase II subunit RPB7 × 1 （P62487） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P52434） DNA-directed RNA polymerase II subunit RPB9 × 1 （P36954） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P62875） DNA-directed RNA polymerase II subunit RPB11-a × 1 （P52435） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P53803） Transcription elongation factor SPT6 × 1 （Q7KZ85） DNA × 1 RNA × 1 Transcription elongation factor 1 homolog × 1 （P60002） DNA × 1 Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 10 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SPT4H_HUMAN
Isoform	—
PDB entities	18
Chains and sequence ranges	Author chain Y； PDBConstruct 1–117； UniProt 1–117

Transcription elongation factor SPT5

OrganismNot specified

UniProt O00267

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 16 DNA 2 RNA 1	DNA-directed RNA polymerase II subunit RPB1 × 1 （P24928） DNA-directed RNA polymerase II subunit RPB2 × 1 （P30876） DNA-directed RNA polymerase II subunit RPB3 × 1 （P19387） DNA-directed RNA polymerase II subunit RPB4 × 1 （O15514） DNA-directed RNA polymerases I, II, and III subunit RPABC1 × 1 （P19388） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （P61218） DNA-directed RNA polymerase II subunit RPB7 × 1 （P62487） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （P52434） DNA-directed RNA polymerase II subunit RPB9 × 1 （P36954） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （P62875） DNA-directed RNA polymerase II subunit RPB11-a × 1 （P52435） DNA-directed RNA polymerases I, II, and III subunit RPABC4 × 1 （P53803） Transcription elongation factor SPT6 × 1 （Q7KZ85） DNA × 1 RNA × 1 Transcription elongation factor 1 homolog × 1 （P60002） DNA × 1 Transcription elongation factor SPT4 × 1 （P63272） ZINC ION × 10 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SPT5H_HUMAN
Isoform	—
PDB entities	19
Chains and sequence ranges	Author chain Z； PDBConstruct 1–1087； UniProt 1–1087

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	8xrm
Deposition date deposition_date	2024-01-07
Structure title title	RNA polymerase II elongation complex with DSIF, SPT6, and ELOF1 transcribing genomic DNA extracted from human nuclei
Keywords keywords	nucleus, TRANSCRIPTION-RNA-DNA COMPLEX; TRANSCRIPTION/RNA/DNA
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.

8xrm__assembly_1__model_1

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

Download this curve (.dat)

8xrm__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

8xrm__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	59.14 Å
Rg (electron density)	59.02 Å
Total Rg	58.97 Å
Atom count	44872
Residues	5439
Excluded volume	793620 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`8xrm__assembly_1__model_1`	19-meric （19）	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 (21)

Entity 1 Entity 1 polymer

Description description	DNA-directed RNA polymerase II subunit RPB1
Molecular weight formula_weight	217420.0 kDa
EC 编号 ec_number	2.7.7.6,2.7.7.48
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	44872

MHGGGPPSGDSACPLRTIKRVQFGVLSPDELKRMSVTEGGIKYPETTEGGRPKLGGLMDPRQGVIERTGRCQTCAGNMTECPGHFGHIELAKPVFHVGFLVKTMKVLRCVCFFCSKLLVDSNNPKIKDILAKSKGQPKKRLTHVYDLCKGKNICEGGEEMDNKFGVEQPEGDEDLTKEKGHGGCGRYQPRIRRSGLELYAEWKHVNEDSQEKKILLSPERVHEIFKRISDEECFVLGMEPRYARPEWMIVTVLPVPPLSVRPAVVMQGSARNQDDLTHKLADIVKINNQLRRNEQNGAAAHVIAEDVKLLQFHVATMVDNELPGLPRAMQKSGRPLKSLKQRLKGKEGRVRGNLMGKRVDFSARTVITPDPNLSIDQVGVPRSIAANMTFAEIVTPFNIDRLQELVRRGNSQYPGAKYIIRDNGDRIDLRFHPKPSDLHLQTGYKVERHMCDGDIVIFNRQPTLHKMSMMGHRVRILPWSTFRLNLSVTTPYNADFDGDEMNLHLPQSLETRAEIQELAMVPRMIVTPQSNRPVMGIVQDTLTAVRKFTKRDVFLERGEVMNLLMFLSTWDGKVPQPAILKPRPLWTGKQIFSLIIPGHINCIRTHSTHPDDEDSGPYKHISPGDTKVVVENGELIMGILCKKSLGTSAGSLVHISYLEMGHDITRLFYSNIQTVINNWLLIEGHTIGIGDSIADSKTYQDIQNTIKKAKQDVIEVIEKAHNNELEPTPGNTLRQTFENQVNRILNDARDKTGSSAQKSLSEYNNFKSMVVSGAKGSKINISQVIAVVGQQNVEGKRIPFGFKHRTLPHFIKDDYGPESRGFVENSYLAGLTPTEFFFHAMGGREGLIDTAVKTAETGYIQRRLIKSMESVMVKYDATVRNSINQVVQLRYGEDGLAGESVEFQNLATLKPSNKAFEKKFRFDYTNERALRRTLQEDLVKDVLSNAHIQNELEREFERMREDREVLRVIFPTGDSKVVLPCNLLRMIWNAQKIFHINPRLPSDLHPIKVVEGVKELSKKLVIVNGDDPLSRQAQENATLLFNIHLRSTLCSRRMAEEFRLSGEAFDWLLGEIESKFNQAIAHPGEMVGALAAQSLGEPATQMTLNTFHYAGVSAKNVTLGVPRLKELINISKKPKTPSLTVFLLGQSARDAERAKDILCRLEHTTLRKVTANTAIYYDPNPQSTVVAEDQEWVNVYYEMPDFDVARISPWLLRVELDRKHMTDRKLTMEQIAEKINAGFGDDLNCIFNDDNAEKLVLRIRIMNSDENKMQEEEEVVDKMDDDVFLRCIESNMLTDMTLQGIEQISKVYMHLPQTDNKKKIIITEDGEFKALQEWILETDGVSLMRVLSEKDVDPVRTTSNDIVEIFTVLGIEAVRKALERELYHVISFDGSYVNYRHLALLCDTMTCRGHLMAITRHGVNRQDTGPLMKCSFEETVDVLMEAAAHGESDPMKGVSENIMLGQLAPAGTGCFDLLLDAEKCKYGMEIPTNIPGLGAAGPTGMFFGSAPSPMGGISPAMTPWNQGATPAYGAWSPSVGSGMTPGAAGFSPSAASDASGFSPGYSPAWSPTPGSPGSPGPSSPYIPSPGGAMSPSYSPTSPAYEPRSPGGYTPQSPSYSPTSPSYSPTSPSYSPTSPNYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPNYSPTSPNYTPTSPSYSPTSPSYSPTSPNYTPTSPNYSPTSPSYSPTSPSYSPTSPSYSPSSPRYTPQSPTYTPSSPSYSPSSPSYSPASPKYTPTSPSYSPSSPEYTPTSPKYSPTSPKYSPTSPKYSPTSPTYSPTTPKYSPTSPTYSPTSPVYTPTSPKYSPTSPTYSPTSPKYSPTSPTYSPTSPKGSTYSPTSPGYSPTSPTYSLTSPAISPDDSDEEN

Entity 2 Entity 2 polymer

Description description	DNA-directed RNA polymerase II subunit RPB2
Molecular weight formula_weight	134071.5 kDa
EC 编号 ec_number	2.7.7.6
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

MYDADEDMQYDEDDDEITPDLWQEACWIVISSYFDEKGLVRQQLDSFDEFIQMSVQRIVEDAPPIDLQAEAQHASGEVEEPPRYLLKFEQIYLSKPTHWERDGAPSPMMPNEARLRNLTYSAPLYVDITKTVIKEGEEQLQTQHQKTFIGKIPIMLRSTYCLLNGLTDRDLCELNECPLDPGGYFIINGSEKVLIAQEKMATNTVYVFAKKDSKYAYTGECRSCLENSSRPTSTIWVSMLARGGQGAKKSAIGQRIVATLPYIKQEVPIIIVFRALGFVSDRDILEHIIYDFEDPEMMEMVKPSLDEAFVIQEQNVALNFIGSRGAKPGVTKEKRIKYAKEVLQKEMLPHVGVSDFCETKKAYFLGYMVHRLLLAALGRRELDDRDHYGNKRLDLAGPLLAFLFRGMFKNLLKEVRIYAQKFIDRGKDFNLELAIKTRIISDGLKYSLATGNWGDQKKAHQARAGVSQVLNRLTFASTLSHLRRLNSPIGRDGKLAKPRQLHNTLWGMVCPAETPEGHAVGLVKNLALMAYISVGSQPSPILEFLEEWSMENLEEISPAAIADATKIFVNGCWVGIHKDPEQLMNTLRKLRRQMDIIVSEVSMIRDIREREIRIYTDAGRICRPLLIVEKQKLLLKKRHIDQLKEREYNNYSWQDLVASGVVEYIDTLEEETVMLAMTPDDLQEKEVAYCSTYTHCEIHPSMILGVCASIIPFPDHNQSPRNTYQSAMGKQAMGVYITNFHVRMDTLAHVLYYPQKPLVTTRSMEYLRFRELPAGINSIVAIASYTGYNQEDSVIMNRSAVDRGFFRSVFYRSYKEQESKKGFDQEEVFEKPTRETCQGMRHAIYDKLDDDGLIAPGVRVSGDDVIIGKTVTLPENEDELESTNRRYTKRDCSTFLRTSETGIVDQVMVTLNQEGYKFCKIRVRSVRIPQIGDKFASRHGQKGTCGIQYRQEDMPFTCEGITPDIIINPHAIPSRMTIGHLIECLQGKVSANKGEIGDATPFNDAVNVQKISNLLSDYGYHLRGNEVLYNGFTGRKITSQIFIGPTYYQRLKHMVDDKIHSRARGPIQILNRQPMEGRSRDGGLRFGEMERDCQIAHGAAQFLRERLFEASDPYQVHVCNLCGIMAIANTRTHTYECRGCRNKTQISLVRMPYACKLLFQELMSMSIAPRMMSV

Entity 3 Entity 3 polymer

Description description	DNA-directed RNA polymerase II subunit RPB3
Molecular weight formula_weight	33630.4 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

MHHHHHHDYKDDDDKGHMPYANQPTVRITELTDENVKFIIENTDLAVANSIRRVFIAEVPIIAIDWVQIDANSSVLHDEFIAHRLGLIPLISDDIVDKLQYSRDCTCEEFCPECSVEFTLDVRCNEDQTRHVTSRDLISNSPRVIPVTSRNRDNDPNDYVEQDDILIVKLRKGQELRLRAYAKKGFGKEHAKWNPTAGVAFEYDPDNALRHTVYPKPEEWPKSEYSELDEDESQAPYDPNGKPERFYYNVESCGSLRPETIVLSALSGLKKKLSDLQTQLSHEIQSDVLTIN

Source Source

Source organism organism	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Homo sapiens

Entity 4 Entity 4 polymer

Description description	DNA-directed RNA polymerase II subunit RPB4
Molecular weight formula_weight	16331.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D

MAAGGSDPRAGDVEEDASQLIFPKEFETAETLLNSEVHMLLEHRKQQNESAEDEQELSEVFMKTLNYTARFSRFKNRETIASVRSLLLQKKLHKFELACLANLCPETAEESKALIPSLEGRFEDEELQQILDDIQTKRSFQY

Entity 5 Entity 5 polymer

Description description	DNA-directed RNA polymerases I, II, and III subunit RPABC1
Molecular weight formula_weight	24584.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E

MDDEEETYRLWKIRKTIMQLCHDRGYLVTQDELDQTLEEFKAQSGDKPSEGRPRRTDLTVLVAHNDDPTDQMFVFFPEEPKVGIKTIKVYCQRMQEENITRALIVVQQGMTPSAKQSLVDMAPKYILEQFLQQELLINITEHELVPEHVVMTKEEVTELLARYKLRENQLPRIQAGDPVARYFGIKRGQVVKIIRPSETAGRYITYRLVQ

Entity 6 Entity 6 polymer

Description description	DNA-directed RNA polymerases I, II, and III subunit RPABC2
Molecular weight formula_weight	14491.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F

MSDNEDNFDGDDFDDVEEDEGLDDLENAEEEGQENVEILPSGERPQANQKRITTPYMTKYERARVLGTRALQIAMCAPVMVELEGETDPLLIAMKELKARKIPIIIRRYLPDGSYEDWGVDELIITD

Entity 7 Entity 7 polymer

Description description	DNA-directed RNA polymerase II subunit RPB7
Molecular weight formula_weight	19314.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G

MFYHISLEHEILLHPRYFGPNLLNTVKQKLFTEVEGTCTGKYGFVIAVTTIDNIGAGVIQPGRGFVLYPVKYKAIVFRPFKGEVVDAVVTQVNKVGLFTEIGPMSCFISRHSIPSEMEFDPNSNPPCYKTMDEDIVIQQDDEIRLKIVGTRVDKNDIFAIGSLMDDYLGLVS

Entity 8 Entity 8 polymer

Description description	DNA-directed RNA polymerases I, II, and III subunit RPABC3
Molecular weight formula_weight	17162.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H

MAGILFEDIFDVKDIDPEGKKFDRVSRLHCESESFKMDLILDVNIQIYPVDLGDKFRLVIASTLYEDGTLDDGEYNPTDDRPSRADQFEYVMYGKVYRIEGDETSTEAATRLSAYVSYGGLLMRLQGDANNLHGFEVDSRVYLLMKKLAF

Entity 9 Entity 9 polymer

Description description	DNA-directed RNA polymerase II subunit RPB9
Molecular weight formula_weight	14541.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	I

MEPDGTYEPGFVGIRFCQECNNMLYPKEDKENRILLYACRNCDYQQEADNSCIYVNKITHEVDELTQIIADVSQDPTLPRTEDHPCQKCGHKEAVFFQSHSARAEDAMRLYYVCTAPHCGHRWTE

Entity 10 Entity 10 polymer

Description description	DNA-directed RNA polymerases I, II, and III subunit RPABC5
Molecular weight formula_weight	7655.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	J

MIIPVRCFTCGKIVGNKWEAYLGLLQAEYTEGDALDALGLKRYCCRRMLLAHVDLIEKLLNYAPLEK

Entity 11 Entity 11 polymer

Description description	DNA-directed RNA polymerase II subunit RPB11-a
Molecular weight formula_weight	13310.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	K

MNAPPAFESFLLFEGEKKITINKDTKVPNACLFTINKEDHTLGNIIKSQLLKDPQVLFAGYKVPHPLEHKIIIRVQTTPDYSPQEAFTNAITDLISELSLLEERFRVAIKDKQEGIE

Entity 12 Entity 12 polymer

Description description	DNA-directed RNA polymerases I, II, and III subunit RPABC4
Molecular weight formula_weight	7018.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	L

MDTQKDVQPPKQQPMIYICGECHTENEIKSRDPIRCRECGYRIMYKKRTKRLVVFDAR

Entity 13 Entity 13 polymer

Description description	Transcription elongation factor SPT6
Molecular weight formula_weight	199330.7 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	M

MSDFVESEAEESEEEYNDEGEVVPRVTKKFVEEEDDDEEEEEENLDDQDEQGNLKGFINDDDDEDEGEEDEGSDSGDSEDDVGHKKRKRTSFDDRLEDDDFDLIEENLGVKVKRGQKYRRVKKMSDDEDDDEEEYGKEEHEKEAIAEEIFQDGEGEEGQEAMEAPMAPPEEEEEDDEESDIDDFIVDDDGQPLKKPKWRKKLPGYTDAALQEAQEIFGVDFDYDEFEKYNEYDEELEEEYEYEDDEAEGEIRVRPKKTTKKRVSRRSIFEMYEPSELESSHLTDQDNEIRATDLPERFQLRSIPVKGAEDDELEEEADWIYRNAFATPTISLQESCDYLDRGQPASSFSRKGPSTIQKIKEALGFMRNQHFEVPFIAFYRKEYVEPELHINDLWRVWQWDEKWTQLRIRKENLTRLFEKMQAYQYEQISADPDKPLADGIRALDTTDMERLKDVQSMDELKDVYNHFLLYYGRDIPKMQNAAKASRKKLKRVREEGDEEGEGDEAEDEEQRGPELKQASRRDMYTICQSAGLDGLAKKFGLTPEQFGENLRDSYQRHETEQFPAEPLELAKDYVCSQFPTPEAVLEGARYMVALQIAREPLVRQVLRQTFQERAKLNITPTKKGRKDVDEAHYAYSFKYLKNKPVKELRDDQFLKICLAEDEGLLTTDISIDLKGVEGYGNDQTYFEEIKQFYYRDEFSHQVQEWNRQRTMAIERALQQFLYVQMAKELKNKLLAEAKEYVIKACSRKLYNWLRVAPYRPDQQVEEDDDFMDENQGKGIRVLGIAFSSARDHPVFCALVNGEGEVTDFLRLPHFTKRRTAWREEEREKKAQDIETLKKFLLNKKPHVVTVAGENRDAQMLIEDVKRIVHELDQGQQLSSIGVELVDNELAILYMNSKKSEAEFRDYPPVLRQAVSLARRIQDPLIEFAQVCSSDEDILCLKFHPLQEHVVKEELLNALYCEFINRVNEVGVDVNRAIAHPYSQALIQYVCGLGPRKGTHLLKILKQNNTRLESRTQLVTMCHMGPKVFMNCAGFLKIDTASLGDSTDSYIEVLDGSRVHPETYEWARKMAVDALEYDESAEDANPAGALEEILENPERLKDLDLDAFAEELERQGYGDKHITLYDIRAELSCRYKDLRTAYRSPNTEEIFNMLTKETPETFYIGKLIICNVTGIAHRRPQGESYDQAIRNDETGLWQCPFCQQDNFPELSEVWNHFDSGSCPGQAIGVKTRLDNGVTGFIPTKFLSDKVVKRPEERVKVGMTVHCRIMKIDIEKFSADLTCRTSDLMDRNNEWKLPKDTYYDFDAEAADHKQEEDMKRKQQRTTYIKRVIAHPSFHNINFKQAEKMMETMDQGDVIIRPSSKGENHLTVTWKVSDGIYQHVDVREEGKENAFSLGATLWINSEEFEDLDEIVARYVQPMASFARDLLNHKYYQDCSGGDRKKLEELLIKTKKEKPTFIPYFICACKELPGKFLLGYQPRGKPRIEYVTVTPEGFRYRGQIFPTVNGLFRWFKDHYQDPVPGITPSSSSRTRTPASINATPANINLADLTRAVNALPQNMTSQMFSAIAAVTGQGQNPNATPAQWASSQYGYGGSGGGSSAYHVFPTPAQQPVATPLMTPSYSYTTPSQPITTPQYHQLQASTTPQSAQAQPQPSSSSRQRQQQPKSNSHAAIDWGKMAEQWLQEKEAERRKQKQRLTPRPSPSPMIESTPMSIAGDATPLLDEMDR

Entity 14 Entity 14 polymer

Description description	DNA
Molecular weight formula_weight	13708.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	N

TGAGAGCGGCAGAACCCACTCGGAGCCAGCAGGGAGCTGGGAGC

Entity 15 Entity 15 polymer

Description description	RNA
Molecular weight formula_weight	6773.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	P

AACCGGAGAGGGAACCCACUC

Entity 16 Entity 16 polymer

Description description	Transcription elongation factor 1 homolog
Molecular weight formula_weight	9475.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Q

MGRRKSKRKPPPKKKMTGTLETQFTCPFCNHEKSCDVKMDRARNTGVISCTVCLEEFQTPITYLSEPVDVYSDWIDACEAANQ

Entity 17 Entity 17 polymer

Description description	DNA
Molecular weight formula_weight	13396.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	T

GCTCCCAGCTCCCTGCTGGCTCCGAGTGGGTTCTGCCGCTCTCA

Entity 18 Entity 18 polymer

Description description	Transcription elongation factor SPT4
Molecular weight formula_weight	13210.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Y

MALETVPKDLRHLRACLLCSLVKTIDQFEYDGCDNCDAYLQMKGNREMVYDCTSSSFDGIIAMMSPEDSWVSKWQRVSNFKPGVYAVSVTGRLPQGIVRELKSRGVAYKSRDTAIKT

Entity 19 Entity 19 polymer

Description description	Transcription elongation factor SPT5
Molecular weight formula_weight	121145.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Z

MSDSEDSNFSEEEDSERSSDGEEAEVDEERRSAAGSEKEEEPEDEEEEEEEEEYDEEEEEEDDDRPPKKPRHGGFILDEADVDDEYEDEDQWEDGAEDILEKEEIEASNIDNVVLDEDRSGARRLQNLWRDQREEELGEYYMKKYAKSSVGETVYGGSDELSDDITQQQLLPGVKDPNLWTVKCKIGEERATAISLMRKFIAYQFTDTPLQIKSVVAPEHVKGYIYVEAYKQTHVKQAIEGVGNLRLGYWNQQMVPIKEMTDVLKVVKEVANLKPKSWVRLKRGIYKDDIAQVDYVEPSQNTISLKMIPRIDYDRIKARMSLKDWFAKRKKFKRPPQRLFDAEKIRSLGGDVASDGDFLIFEGNRYSRKGFLFKSFAMSAVITEGVKPTLSELEKFEDQPEGIDLEVVTESTGKEREHNFQPGDNVEVCEGELINLQGKILSVDGNKITIMPKHEDLKDMLEFPAQELRKYFKMGDHVKVIAGRFEGDTGLIVRVEENFVILFSDLTMHELKVLPRDLQLCSETASGVDVGGQHEWGELVQLDPQTVGVIVRLERETFQVLNMYGKVVTVRHQAVTRKKDNRFAVALDSEQNNIHVKDIVKVIDGPHSGREGEIRHLFRSFAFLHCKKLVENGGMFVCKTRHLVLAGGSKPRDVTNFTVGGFAPMSPRISSPMHPSAGGQRGGFGSPGGGSGGMSRGRGRRDNELIGQTVRISQGPYKGYIGVVKDATESTARVELHSTCQTISVDRQRLTTVGSRRPGGMTSTYGRTPMYGSQTPMYGSGSRTPMYGSQTPLQDGSRTPHYGSQTPLHDGSRTPAQSGAWDPNNPNTPSRAEEEYEYAFDDEPTPSPQAYGGTPNPQTPGYPDPSSPQVNPQYNPQTPGTPAMYNTDQFSPYAAPSPQGSYQPSPSPQSYHQVAPSPAGYQNTHSPASYHPTPSPMAYQASPSPSPVGYSPMTPGAPSPGGYNPHTPGSGIEQNSSDWVTTDIQVKVRDTYLDTQVVGQTGVIRSVTGGMCSVYLKDSEKVVSISSEHLEPITPTKNNKVKVILGEDREATGVLLSIDGEDGIVRMDLDEQLKILNLRFLGKLLEA

Entity 20 Entity 20 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	10

Entity 21 Entity 21 non-polymer

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

▶

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	3.13 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	132687

RNA polymerase II elongation complex with DSIF, SPT6, and ELOF1 transcribing genomic DNA extracted from human nuclei

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

DNA-directed RNA polymerase II subunit RPB1

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

DNA-directed RNA polymerase II subunit RPB2

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

DNA-directed RNA polymerase II subunit RPB3

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

DNA-directed RNA polymerase II subunit RPB4

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

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

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

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

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

DNA-directed RNA polymerase II subunit RPB7

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

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

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

DNA-directed RNA polymerase II subunit RPB9

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

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

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer