8ui0

Structure of poised transcription complex Pol II-DSIF-NELF - pre-translocated

Method: ELECTRON MICROSCOPY

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

Negative elongation factor E

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 17 DNA 2 RNA 1	Negative elongation factor B × 1 （Q8WX92） Negative elongation factor C/D × 1 （Q8IXH7） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II subunit K × 1 （A0A4X1TRS6） DNA × 1 RNA × 1 DNA (38-MER) × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	NELFE_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain X； PDBConstruct 1–380； UniProt 1–380

Negative elongation factor B

Homo sapiens

UniProt Q8WX92

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 17 DNA 2 RNA 1	Negative elongation factor E × 1 （P18615） Negative elongation factor C/D × 1 （Q8IXH7） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II subunit K × 1 （A0A4X1TRS6） DNA × 1 RNA × 1 DNA (38-MER) × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	NELFB_HUMAN
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain V； PDBConstruct 1–554； UniProt 1–554

Negative elongation factor C/D

Homo sapiens

UniProt Q8IXH7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 17 DNA 2 RNA 1	Negative elongation factor E × 1 （P18615） Negative elongation factor B × 1 （Q8WX92） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II subunit K × 1 （A0A4X1TRS6） DNA × 1 RNA × 1 DNA (38-MER) × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	NELFD_HUMAN
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain W； PDBConstruct 1–590； UniProt 1–590

DNA-directed RNA polymerase subunit

OrganismNot specified

UniProt A0A8D1DPV6

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 17 DNA 2 RNA 1	Negative elongation factor E × 1 （P18615） Negative elongation factor B × 1 （Q8WX92） Negative elongation factor C/D × 1 （Q8IXH7） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II subunit K × 1 （A0A4X1TRS6） DNA × 1 RNA × 1 DNA (38-MER) × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A8D1DPV6_PIG
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain A； PDBConstruct 1–1970； UniProt 1–1970

DNA-directed RNA polymerase subunit beta

OrganismNot specified

UniProt A0A4X1TVZ5

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 17 DNA 2 RNA 1	Negative elongation factor E × 1 （P18615） Negative elongation factor B × 1 （Q8WX92） Negative elongation factor C/D × 1 （Q8IXH7） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II subunit K × 1 （A0A4X1TRS6） DNA × 1 RNA × 1 DNA (38-MER) × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A4X1TVZ5_PIG
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain B； PDBConstruct 1–1174； UniProt 78–1251

DNA-directed RNA polymerase II subunit RPB3

OrganismNot specified

UniProt A0A481DF93

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 17 DNA 2 RNA 1	Negative elongation factor E × 1 （P18615） Negative elongation factor B × 1 （Q8WX92） Negative elongation factor C/D × 1 （Q8IXH7） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II subunit K × 1 （A0A4X1TRS6） DNA × 1 RNA × 1 DNA (38-MER) × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A481DF93_PIG
Isoform	—
PDB entities	6
Chains and sequence ranges	Author chain C； PDBConstruct 1–271； UniProt 46–316

RNA polymerase Rpb4/RPC9 core domain-containing protein

OrganismNot specified

UniProt A0A8D0KES4

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 17 DNA 2 RNA 1	Negative elongation factor E × 1 （P18615） Negative elongation factor B × 1 （Q8WX92） Negative elongation factor C/D × 1 （Q8IXH7） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II subunit K × 1 （A0A4X1TRS6） DNA × 1 RNA × 1 DNA (38-MER) × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A8D0KES4_PIG
Isoform	—
PDB entities	7
Chains and sequence ranges	Author chain D； PDBConstruct 1–142； UniProt 43–184

DNA-directed RNA polymerase II subunit E

OrganismNot specified

UniProt A0A4X1VTX4

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 17 DNA 2 RNA 1	Negative elongation factor E × 1 （P18615） Negative elongation factor B × 1 （Q8WX92） Negative elongation factor C/D × 1 （Q8IXH7） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II subunit K × 1 （A0A4X1TRS6） DNA × 1 RNA × 1 DNA (38-MER) × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A4X1VTX4_PIG
Isoform	—
PDB entities	8
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 A0A4X1VEK9

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 17 DNA 2 RNA 1	Negative elongation factor E × 1 （P18615） Negative elongation factor B × 1 （Q8WX92） Negative elongation factor C/D × 1 （Q8IXH7） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II subunit K × 1 （A0A4X1TRS6） DNA × 1 RNA × 1 DNA (38-MER) × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A4X1VEK9_PIG
Isoform	—
PDB entities	9
Chains and sequence ranges	Author chain F； PDBConstruct 1–127； UniProt 1–127

DNA-directed RNA polymerase subunit

OrganismNot specified

UniProt A0A4X1VKG7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 17 DNA 2 RNA 1	Negative elongation factor E × 1 （P18615） Negative elongation factor B × 1 （Q8WX92） Negative elongation factor C/D × 1 （Q8IXH7） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II subunit K × 1 （A0A4X1TRS6） DNA × 1 RNA × 1 DNA (38-MER) × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A4X1VKG7_PIG
Isoform	—
PDB entities	10
Chains and sequence ranges	Author chain G； PDBConstruct 1–171； UniProt 1–171

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

OrganismNot specified

UniProt A0A8D1AQR7

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 17 DNA 2 RNA 1	Negative elongation factor E × 1 （P18615） Negative elongation factor B × 1 （Q8WX92） Negative elongation factor C/D × 1 （Q8IXH7） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II subunit K × 1 （A0A4X1TRS6） DNA × 1 RNA × 1 DNA (38-MER) × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A8D1AQR7_PIG
Isoform	—
PDB entities	11
Chains and sequence ranges	Author chain H； PDBConstruct 1–150； UniProt 1–150

DNA-directed RNA polymerase II subunit RPB9

OrganismNot specified

UniProt P60899

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 17 DNA 2 RNA 1	Negative elongation factor E × 1 （P18615） Negative elongation factor B × 1 （Q8WX92） Negative elongation factor C/D × 1 （Q8IXH7） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II subunit K × 1 （A0A4X1TRS6） DNA × 1 RNA × 1 DNA (38-MER) × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RPB9_PIG
Isoform	—
PDB entities	12
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 A0A8W4F9W9

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 17 DNA 2 RNA 1	Negative elongation factor E × 1 （P18615） Negative elongation factor B × 1 （Q8WX92） Negative elongation factor C/D × 1 （Q8IXH7） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II subunit K × 1 （A0A4X1TRS6） DNA × 1 RNA × 1 DNA (38-MER) × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A8W4F9W9_PIG
Isoform	—
PDB entities	13
Chains and sequence ranges	Author chain J； PDBConstruct 1–67； UniProt 1–67

DNA-directed RNA polymerase II subunit RPB11-a

OrganismNot specified

UniProt F1RKE4

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 17 DNA 2 RNA 1	Negative elongation factor E × 1 （P18615） Negative elongation factor B × 1 （Q8WX92） Negative elongation factor C/D × 1 （Q8IXH7） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） RNA polymerase II subunit K × 1 （A0A4X1TRS6） DNA × 1 RNA × 1 DNA (38-MER) × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	F1RKE4_PIG
Isoform	—
PDB entities	14
Chains and sequence ranges	Author chain K； PDBConstruct 1–115； UniProt 1–115

RNA polymerase II subunit K

OrganismNot specified

UniProt A0A4X1TRS6

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 17 DNA 2 RNA 1	Negative elongation factor E × 1 （P18615） Negative elongation factor B × 1 （Q8WX92） Negative elongation factor C/D × 1 （Q8IXH7） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） DNA × 1 RNA × 1 DNA (38-MER) × 1 Negative elongation factor A × 1 （Q9H3P2） Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	A0A4X1TRS6_PIG
Isoform	—
PDB entities	15
Chains and sequence ranges	Author chain L； PDBConstruct 1–58； UniProt 1–58

Negative elongation factor A

Homo sapiens

UniProt Q9H3P2

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 17 DNA 2 RNA 1	Negative elongation factor E × 1 （P18615） Negative elongation factor B × 1 （Q8WX92） Negative elongation factor C/D × 1 （Q8IXH7） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II subunit K × 1 （A0A4X1TRS6） DNA × 1 RNA × 1 DNA (38-MER) × 1 Transcription elongation factor SPT5 × 1 （O00267） ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	NELFA_HUMAN
Isoform	—
PDB entities	19
Chains and sequence ranges	Author chain U； PDBConstruct 1–188； UniProt 1–188 Author chain U； PDBConstruct 252–527； UniProt 253–528

Transcription elongation factor SPT5

Homo sapiens

UniProt O00267

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Heteromer	Protein 17 DNA 2 RNA 1	Negative elongation factor E × 1 （P18615） Negative elongation factor B × 1 （Q8WX92） Negative elongation factor C/D × 1 （Q8IXH7） DNA-directed RNA polymerase subunit × 1 （A0A8D1DPV6） DNA-directed RNA polymerase subunit beta × 1 （A0A4X1TVZ5） DNA-directed RNA polymerase II subunit RPB3 × 1 （A0A481DF93） RNA polymerase Rpb4/RPC9 core domain-containing protein × 1 （A0A8D0KES4） DNA-directed RNA polymerase II subunit E × 1 （A0A4X1VTX4） DNA-directed RNA polymerases I, II, and III subunit RPABC2 × 1 （A0A4X1VEK9） DNA-directed RNA polymerase subunit × 1 （A0A4X1VKG7） DNA-directed RNA polymerases I, II, and III subunit RPABC3 × 1 （A0A8D1AQR7） DNA-directed RNA polymerase II subunit RPB9 × 1 （P60899） DNA-directed RNA polymerases I, II, and III subunit RPABC5 × 1 （A0A8W4F9W9） DNA-directed RNA polymerase II subunit RPB11-a × 1 （F1RKE4） RNA polymerase II subunit K × 1 （A0A4X1TRS6） DNA × 1 RNA × 1 DNA (38-MER) × 1 Negative elongation factor A × 1 （Q9H3P2） ZINC ION × 8 MAGNESIUM ION × 1	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SPT5H_HUMAN
Isoform	—
PDB entities	20
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	8ui0
Deposition date deposition_date	2023-10-09
Structure title title	Structure of poised transcription complex Pol II-DSIF-NELF - pre-translocated
Keywords keywords	Nucleic acids, transcription, RNA polymerase II, NELF, DSIF, pausing, TRANSCRIPTION-DNA-RNA complex; TRANSCRIPTION/DNA/RNA
Experimental Method method	ELECTRON MICROSCOPY

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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

8ui0__assembly_1__model_1

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

Download this curve (.dat)

8ui0__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

8ui0__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	60.25 Å
Rg (electron density)	60.18 Å
Total Rg	60.26 Å
Atom count	89334
Residues	5497
Excluded volume	797250 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`8ui0__assembly_1__model_1`	eicosameric （20）	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 (22)

Entity 1 Entity 1 polymer

Description description	Negative elongation factor E
Molecular weight formula_weight	43320.9 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	X
Atom count atom_count	89334

MLVIPPGLSEEEEALQKKFNKLKKKKKALLALKKQSSSSTTSQGGVKRSLSEQPVMDTATATEQAKQLVKSGAISAIKAETKNSGFKRSRTLEGKLKDPEKGPVPTFQPFQRSISADDDLQESSRRPQRKSLYESFVSSSDRLRELGPDGEEAEGPGAGDGPPRSFDWGYEERSGAHSSASPPRSRSRDRSHERNRDRDRDRERDRDRDRDRDRERDRDRDRDRDRDRERDRDRERDRDRDREGPFRRSDSFPERRAPRKGNTLYVYGEDMTPTLLRGAFSPFGNIIDLSMDPPRNCAFVTYEKMESADQAVAELNGTQVESVQLKVNIARKQPMLDAATGKSVWGSLAVQNSPKGCHRDKRTQIVYSDDVYKENLVDGF

Source Source

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

Entity 2 Entity 2 polymer

Description description	Negative elongation factor B
Molecular weight formula_weight	63233.2 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	V

MFAGLQDLGVANGEDLKETLTNCTEPLKAIEQFQTENGVLLPSLQSALPFLDLHGTPRLEFHQSVFDELRDKLLERVSAIASEGKAEERYKKLEDLLEKSFSLVKMPSLQPVVMCVMKHLPKVPEKKLKLVMADKELYRACAVEVKRQIWQDNQALFGDEVSPLLKQYILEKESALFSTELSVLHNFFSPSPKTRRQGEVVQRLTRMVGKNVKLYDMVLQFLRTLFLRTRNVHYCTLRAELLMSLHDLDVGEICTVDPCHKFTWCLDACIRERFVDSKRARELQGFLDGVKKGQEQVLGDLSMILCDPFAINTLALSTVRHLQELVGQETLPRDSPDLLLLLRLLALGQGAWDMIDSQVFKEPKMEVELITRFLPMLMSFLVDDYTFNVDQKLPAEEKAPVSYPNTLPESFTKFLQEQRMACEVGLYYVLHITKQRNKNALLRLLPGLVETFGDLAFGDIFLHLLTGNLALLADEFALEDFCSSLFDGFFLTASPRKENVHRHALRLLIHLHPRVAPSKLEALQKALEPTGQSGEAVKELYSQLGEKLEQLDHR

Source Source

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

Entity 3 Entity 3 polymer

Description description	Negative elongation factor C/D
Molecular weight formula_weight	66315.4 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	W

MAGAVPGAIMDEDYYGSAAEWGDEADGGQQEDDSGEGEDDAEVQQECLHKFSTRDYIMEPSIFNTLKRYFQAGGSPENVIQLLSENYTAVAQTVNLLAEWLIQTGVEPVQVQETVENHLKSLLIKHFDPRKADSIFTEEGETPAWLEQMIAHTTWRDLFYKLAEAHPDCLMLNFTVKLISDAGYQGEITSVSTACQQLEVFSRVLRTSLATILDGGEENLEKNLPEFAKMVCHGEHTYLFAQAMMSVLAQEEQGGSAVRRIAQEVQRFAQEKGHDASQITLALGTAASYPRACQALGAMLSKGALNPADITVLFKMFTSMDPPPVELIRVPAFLDLFMQSLFKPGARINQDHKHKYIHILAYAASVVETWKKNKRVSINKDELKSTSKAVETVHNLCCNENKGASELVAELSTLYQCIRFPVVAMGVLKWVDWTVSEPRYFQLQTDHTPVHLALLDEISTCHQLLHPQVLQLLVKLFETEHSQLDVMEQLELKKTLLDRMVHLLSRGYVLPVVSYIRKCLEKLDTDISLIRYFVTEVLDVIAPPYTSDFVQLFLPILENDSIAGTIKTEGEHDPVTEFIAHCKSNFIMVN

Source Source

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

Entity 4 Entity 4 polymer

Description description	DNA-directed RNA polymerase subunit
Molecular weight formula_weight	217450.1 kDa
EC 编号 ec_number	2.7.7.6
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A

MHGGGPPSGDSACPLRTIKRVQFGVLSPDELKRMSVTEGGIKYPETTEGGRPKLGGLMDPRQGVIERTGRCQTCAGNMTECPGHFGHIELAKPVFHVGFLVKTMKVLRCVCFFCSKLLVDSNNPKIKDILAKSKGQPKKRLTHVYDLCKGKNICEGGEEMDNKFGVEQPEGDEDLTKEKGHGGCGRYQPRIRRSGLELYAEWKHVNEDSQEKKILLSPERVHEIFKRISDEECFVLGMEPRYARPEWMIVTVLPVPPLSVRPAVVMQGSARNQDDLTHKLADIVKINNQLRRNEQNGAAAHVIAEDVKLLQFHVATMVDNELPGLPRAMQKSGRPLKSLKQRLKGKEGRVRGNLMGKRVDFSARTVITPDPNLSIDQVGVPRSIAANMTFAEIVTPFNIDRLQELVRRGNSQYPGAKYIIRDNGDRIDLRFHPKPSDLHLQTGYKVERHMCDGDIVIFNRQPTLHKMSMMGHRVRILPWSTFRLNLSVTTPYNADFDGDEMNLHLPQSLETRAEIQELAMVPRMIVTPQSNRPVMGIVQDTLTAVRKFTKRDVFLERGEVMNLLMFLSTWDGKVPQPAILKPRPLWTGKQIFSLIIPGHINCIRTHSTHPDDEDSGPYKHISPGDTKVVVENGELIMGILCKKSLGTSAGSLVHISYLEMGHDITRLFYSNIQTVINNWLLIEGHTIGIGDSIADSKTYQDIQNTIKKAKQDVIEVIEKAHNNELEPTPGNTLRQTFENQVNRILNDARDKTGSSAQKSLSEYNNFKSMVVSGAKGSKINISQVIAVVGQQNVEGKRIPFGFKHRTLPHFIKDDYGPESRGFVENSYLAGLTPTEFFFHAMGGREGLIDTAVKTAETGYIQRRLIKSMESVMVKYDATVRNSINQVVQLRYGEDGLAGESVEFQNLATLKPSNKAFEKKFRFDYTNERALRRTLQEDLVKDVLSNAHIQNELEREFERMREDREVLRVIFPTGDSKVVLPCNLLRMIWNAQKIFHINPRLPSDLHPIKVVEGVKELSKKLVIVNGDDPLSRQAQENATLLFNIHLRSTLCSRRMAEEFRLSGEAFDWLLGEIESKFNQAIAHPGEMVGALAAQSLGEPATQMTLNTFHYAGVSAKNVTLGVPRLKELINISKKPKTPSLTVFLLGQSARDAERAKDILCRLEHTTLRKVTANTAIYYDPNPQSTVVAEDQEWVNVYYEMPDFDVARISPWLLRVELDRKHMTDRKLTMEQIAEKINAGFGDDLNCIFNDDNAEKLVLRIRIMNSDENKMQEEEEVVDKMDDDVFLRCIESNMLTDMTLQGIEQISKVYMHLPQTDNKKKIIITEDGEFKALQEWILETDGVSLMRVLSEKDVDPVRTTSNDIVEIFTVLGIEAVRKALERELYHVISFDGSYVNYRHLALLCDTMTCRGHLMAITRHGVNRQDTGPLMKCSFEETVDVLMEAAAHGESDPMKGVSENIMLGQLAPAGTGCFDLLLDAEKCKYGMEIPTNIPGLGAAGPTGMFFGSAPSPMGGISPAMTPWNQGATPAYGAWSPSVGSGMTPGAAGFSPSAASDASGFSPGYSPAWSPTPGSPGSPGPSSPYIPSPGGAMSPSYSPTSPAYEPRSPGGYTPQSPSYSPTSPSYSPTSPSYSPTSPNYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPSYSPTSPNYSPTSPNYTPTSPSYSPTSPSYSPTSPNYTPTSPNYSPTSPSYSPTSPSYSPTSPSYSPSSPRYTPQSPTYTPSSPSYSPSSPSYSPTSPKYTPTSPSYSPSSPEYTPTSPKYSPTSPKYSPTSPKYSPTSPTYSPTTPKYSPTSPTYSPTSPVYTPTSPKYSPTSPTYSPTSPKYSPTSPTYSPTSPKGSTYSPTSPGYSPTSPTYSLTSPAISPDDSDEEN

Entity 5 Entity 5 polymer

Description description	DNA-directed RNA polymerase subunit beta
Molecular weight formula_weight	134041.4 kDa
EC 编号 ec_number	2.7.7.6
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

MYDADEDMQYDEDDDEITPDLWQEACWIVISSYFDEKGLVRQQLDSFDEFIQMSVQRIVEDAPPIDLQAEAQHASGEVEEPPRYLLKFEQIYLSKPTHWERDGAPSPMMPNEARLRNLTYSAPLYVDITKTVIKEGEEQLQTQHQKTFIGKIPIMLRSTYCLLNGLTDRDLCELNECPLDPGGYFIINGSEKVLIAQEKMATNTVYVFAKKDSKYAYTGECRSCLENSSRPTSTIWVSMLARGGQGAKKSAIGQRIVATLPYIKQEVPIIIVFRALGFVSDRDILEHIIYDFEDPEMMEMVKPSLDEAFVIQEQNVALNFIGSRGAKPGVTKEKRIKYAKEVLQKEMLPHVGVSDFCETKKAYFLGYMVHRLLLAALGRRELDDRDHYGNKRLDLAGPLLAFLFRGMFKNLLKEVRIYAQKFIDRGKDFNLELAIKTRIISDGLKYSLATGNWGDQKKAHQARAGVSQVLNRLTFASTLSHLRRLNSPIGRDGKLAKPRQLHNTLWGMVCPAETPEGHAVGLVKNLALMAYISVGSQPSPILEFLEEWSMENLEEISPAAIADATKIFVNGCWVGIHKDPEQLMNTLRKLRRQMDIIVSEVSMIRDIREREIRIYTDAGRICRPLLIVEKQKLLLKKRHIDQLKEREYNNYSWQDLVASGVVEYIDTLEEETVMLAMTPDDLQEKEVAYCSTYTHCEIHPSMILGVCASIIPFPDHNQSPRNTYQSAMGKQAMGVYITNFHVRMDTLAHVLYYPQKPLVTTRSMEYLRFRELPAGINSIVAIASYTGYNQEDSVIMNRSAVDRGFFRSVFYRSYKEQESKKGFDQEEVFEKPTRETCQGMRHAIYDKLDDDGLIAPGVRVSGDDVIIGKTVTLPENEDELEGTNRRYTKRDCSTFLRTSETGIVDQVMVTLNQEGYKFCKIRVRSVRIPQIGDKFASRHGQKGTCGIQYRQEDMPFTCEGITPDIIINPHAIPSRMTIGHLIECLQGKVSANKGEIGDATPFNDAVNVQKISNLLSDYGYHLRGNEVLYNGFTGRKITSQIFIGPTYYQRLKHMVDDKIHSRARGPIQILNRQPMEGRSRDGGLRFGEMERDCQIAHGAAQFLRERLFEASDPYQVHVCNLCGIMAIANTRTHTYECRGCRNKTQISLVRMPYACKLLFQELMSMSIAPRMMSV

Entity 6 Entity 6 polymer

Description description	DNA-directed RNA polymerase II subunit RPB3
Molecular weight formula_weight	30997.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

MPYANQPTVRITELTDENVKFIIENTDLAVANSIRRVFIAEVPIIAIDWVQIDANSSVLHDEFIAHRLGLIPLTSDDIVDKLQYSRDCTCEEFCPECSVEFTLDVRCNEDQTRHVTSRDLISNSPRVIPVTSRNRDNDPSDYVEQDDILIVKLRKGQELRLRAYAKKGFGKEHAKWNPTAGVAFEYDPDNALRHTVYPKPEEWPKSEYSELDEDESQAPYDPNGKPERFYYNVESCGSLRPETIVLSALSGLKKKLSDLQTQLSHEIQSDV

Entity 7 Entity 7 polymer

Description description	RNA polymerase Rpb4/RPC9 core domain-containing protein
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 8 Entity 8 polymer

Description description	DNA-directed RNA polymerase II subunit E
Molecular weight formula_weight	24644.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E

MDDEEETYRLWKIRKTIMQLCHDRGYLVTQDELDQTLEEFKAQFGDKPSEGRPRRTDLTVLVAHNDDPTDQMFVFFPEEPKVGIKTIKVYCQRMQEENITRALIVVQQGMTPSAKQSLVDMAPKYILEQFLQQELLINITEHELVPEHVVMTKEEVTELLARYKLRENQLPRIQAGDPVARYFGIKRGQVVKIIRPSETAGRYITYRLVQ

Entity 9 Entity 9 polymer

Description description	DNA-directed RNA polymerases I, II, and III subunit RPABC2
Molecular weight formula_weight	14477.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F

MSDNEDNFDGDDFDDVEEDEGLDDLENAEEEGQENVEILPSGERPQANQKRITTPYMTKYERARVLGTRALQIAMCAPVMVELEGETDPLLIAMKELKARKIPIIIRRYLPDGSYEDWGVDELIISD

Entity 10 Entity 10 polymer

Description description	DNA-directed RNA polymerase subunit
Molecular weight formula_weight	19227.2 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G

MFYHISLEHEILLHPRYFGPNLLNTVKQKLFTEVEGTCTGKYGFVIAVTTIDNIGAGVIQPGRGFVLYPVKYKAIVFRPFKGEVVDAVVTQVNKVGLFTEIGPMSCFISRHSIPSEMEFDPNSNPPCYKTMDEDIVIQQDDEIRLKIVGTRVDKNDIFAIGSLMDDYLGLV

Entity 11 Entity 11 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 12 Entity 12 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 13 Entity 13 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 14 Entity 14 polymer

Description description	DNA-directed RNA polymerase II subunit RPB11-a
Molecular weight formula_weight	13068.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	K

MNAPPAFESFLLFEGEKKITINKDTKVPNACLFTINKEDHTLGNIIKSQLLKDPQVLFAGYKVPHPLEHKIIIRVQTTPDYSPQEAFTNAITDLISELSLLEERFRVAIKDKQEG

Entity 15 Entity 15 polymer

Description description	RNA polymerase II subunit K
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 16 Entity 16 polymer

Description description	DNA
Molecular weight formula_weight	15409.9 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	N

GGTCAGTACGTCCGGCATAGTTGCGCCCGTAAATTCAGATCTTCCAGTGG

Entity 17 Entity 17 polymer

Description description	RNA
Molecular weight formula_weight	5077.0 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	P

UUUUGGCAUAGUUGCA

Entity 18 Entity 18 polymer

Description description	DNA (38-MER)
Molecular weight formula_weight	11728.6 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	T

AAGATCTGAATTTACGGGCGCAACTATGCCGGACGTAC

Entity 19 Entity 19 polymer

Description description	Negative elongation factor A
Molecular weight formula_weight	55687.8 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	U

MASMRESDTGLWLHNKLGATDELWAPPSIASLLTAAVIDNIRLCFHGLSSAVKLKLLLGTLHLPRRTVDEMKGALMEIIQLASLDSDPWVLMVADILKSFPDTGSLNLELEEQNPNVQDILGELREKVGECEASAMLPLECQYLNKNALTTLAGPLTPPVKHFQLKRKPKSATLRAELLQKSTETAQQXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXGVKLLDISELDMVGAGREAKRRRKTLDAEVVEKPAKEETVVENATPDYAAGLVSTQKLGSLNNEPALPSTSYLPSTPSVVPASSYIPSSETPPAPSSREASRPPEEPSAPSPTLPAQFKQRAPMYNSGLSPATPTPAAPTSPLTPTTPPAVAPTTQTPPVAMVAPQTQAPAQQQPKKNLSLTREQMFAAQEMFKTANKVTRPEKALILGFMAGSRENPCQEQGDVIQIKLSEHTEDLPKADGQGSTTMLVDTVFEMNYATGQWTRFKKYKPMTNVS

Source Source

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

Entity 20 Entity 20 polymer

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

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Z

MSDSEDSNFSEEEDSERSSDGEEAEVDEERRSAAGSEKEEEPEDEEEEEEEEEYDEEEEEEDDDRPPKKPRHGGFILDEADVDDEYEDEDQWEDGAEDILEKEEIEASNIDNVVLDEDRSGARRLQNLWRDQREEELGEYYMKKYAKSSVGETVYGGSDELSDDITQQQLLPGVKDPNLWTVKCKIGEERATAISLMRKFIAYQFTDTPLQIKSVVAPEHVKGYIYVEAYKQTHVKQAIEGVGNLRLGYWNQQMVPIKEMTDVLKVVKEVANLKPKSWVRLKRGIYKDDIAQVDYVEPSQNTISLKMIPRIDYDRIKARMSLKDWFAKRKKFKRPPQRLFDAEKIRSLGGDVASDGDFLIFEGNRYSRKGFLFKSFAMSAVITEGVKPTLSELEKFEDQPEGIDLEVVTESTGKEREHNFQPGDNVEVCEGELINLQGKILSVDGNKITIMPKHEDLKDMLEFPAQELRKYFKMGDHVKVIAGRFEGDTGLIVRVEENFVILFSDLTMHELKVLPRDLQLCSETASGVDVGGQHEWGELVQLDPQTVGVIVRLERETFQVLNMYGKVVTVRHQAVTRKKDNRFAVALDSEQNNIHVKDIVKVIDGPHSGREGEIRHLFRSFAFLHCKKLVENGGMFVCKTRHLVLAGGSKPRDVTNFTVGGFAPMSPRISSPMHPSAGGQRGGFGSPGGGSGGMSRGRGRRDNELIGQTVRISQGPYKGYIGVVKDATESTARVELHSTCQTISVDRQRLTTVGSRRPGGMTSTYGRTPMYGSQTPMYGSGSRTPMYGSQTPLQDGSRTPHYGSQTPLHDGSRTPAQSGAWDPNNPNTPSRAEEEYEYAFDDEPTPSPQAYGGTPNPQTPGYPDPSSPQVNPQYNPQTPGTPAMYNTDQFSPYAAPSPQGSYQPSPSPQSYHQVAPSPAGYQNTHSPASYHPTPSPMAYQASPSPSPVGYSPMTPGAPSPGGYNPHTPGSGIEQNSSDWVTTDIQVKVRDTYLDTQVVGQTGVIRSVTGGMCSVYLKDSEKVVSISSEHLEPITPTKNNKVKVILGEDREATGVLLSIDGEDGIVRMDLDEQLKILNLRFLGKLLEA

Source Source

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

Entity 21 Entity 21 non-polymer

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

Entity 22 Entity 22 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	—

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

Resolution resolution	2.70 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	90283

Structure of poised transcription complex Pol II-DSIF-NELF - pre-translocated

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

Negative elongation factor E

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Negative elongation factor B

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Negative elongation factor C/D

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

DNA-directed RNA polymerase subunit

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

DNA-directed RNA polymerase subunit beta

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

DNA-directed RNA polymerase II subunit RPB3

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

RNA polymerase Rpb4/RPC9 core domain-containing protein

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 E

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 subunit

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer