6an8

STRUCTURE OF HIV-1 REVERSE TRANSCRIPTASE (RT) TERNARY COMPLEX WITH A DOUBLE STRANDED DNA AND AN INCOMING D4TTP AT PH 8.0

Method: X-RAY DIFFRACTION

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

HIV-1 REVERSE TRANSCRIPTASE P66 SUBUNIT

Human immunodeficiency virus type 1 group M subtype B (isolate BH10)

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein–DNA	Homooligomer	Protein 2 DNA 2	;DNA TEMPLATE (5'- D(APTPGPAPAPCPGPGPCPGPCPCPCPGPAPAPCPAPGPGPGPAPCPTPGPTPG)-3') ; × 1 ;DNA PRIMER (5'- D(APCPAPGPTPCPCPCPTPGPTPTPCPGPGPGPCPGPCPCPGP)-3') ; × 1 MAGNESIUM ION × 2 ;2',3'-DEHYDRO-2',3'-DEOXY-THYMIDINE 5'-TRIPHOSPHATE ; × 1 GLYCEROL × 7 water × 4	Consistent with all polymers
2	Protein–DNA	Homooligomer	Protein 2 DNA 2	;DNA TEMPLATE (5'- D(APTPGPAPAPCPGPGPCPGPCPCPCPGPAPAPCPAPGPGPGPAPCPTPGPTPG)-3') ; × 1 ;DNA PRIMER (5'- D(APCPAPGPTPCPCPCPTPGPTPTPCPGPGPGPCPGPCPCPGP)-3') ; × 1 MAGNESIUM ION × 2 ;2',3'-DEHYDRO-2',3'-DEOXY-THYMIDINE 5'-TRIPHOSPHATE ; × 1 GLYCEROL × 6 water × 4	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	POL_HV1B1
Isoform	—
PDB entities	1, 2
Chains and sequence ranges	Author chain A； PDBConstruct 3–556； UniProt 600–1153 Author chain C； PDBConstruct 3–556； UniProt 600–1153 Author chain B； PDBConstruct 17–444； UniProt 600–1027 Author chain D； PDBConstruct 17–444； UniProt 600–1027

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	6an8
Deposition date deposition_date	2017-08-12
Structure title title	STRUCTURE OF HIV-1 REVERSE TRANSCRIPTASE (RT) TERNARY COMPLEX WITH A DOUBLE STRANDED DNA AND AN INCOMING D4TTP AT PH 8.0
Keywords keywords	RT, DNA, CROSSLINK, N SITE COMPLEX, PYROPHOSPHOROLYSIS, P51, P66, TRANSFERASE-DNA COMPLEX; TRANSFERASE/DNA
Experimental Method method	X-RAY DIFFRACTION

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3. Official assembly/model SAXS Official SAXS Profiles

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

6an8__assembly_1__model_1

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

Download this curve (.dat)

6an8__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6an8__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	33.36 Å
Rg (electron density)	33.12 Å
Total Rg	33.75 Å
Atom count	8862
Residues	1008
Excluded volume	156540 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6an8__assembly_1__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`6an8__assembly_2__model_1`	tetrameric （4）	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 (8)

Entity 1 Entity 1 polymer

Description description	HIV-1 REVERSE TRANSCRIPTASE P66 SUBUNIT
Molecular weight formula_weight	64038.4 kDa
EC 编号 ec_number	2.7.7.49,2.7.7.7
Mutation mutation	C280S, I63C
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,C
Atom count atom_count	18327

MVPISPIETVPVKLKPGMDGPKVKQWPLTEEKIKALVEICTEMEKEGKISKIGPENPYNTPVFACKKKDSTKWRKLVDFRELNKRTQDFWEVQLGIPHPAGLKKKKSVTVLDVGDAYFSVPLDEDFRKYTAFTIPSINNETPGIRYQYNVLPQGWKGSPAIFQSSMTKILEPFKKQNPDIVIYQYMDDLYVGSDLEIGQHRTKIEELRQHLLRWGLTTPDKKHQKEPPFLWMGYELHPDKWTVQPIVLPEKDSWTVNDIQKLVGKLNWASQIYPGIKVRQLSKLLRGTKALTEVIPLTEEAELELAENREILKEPVHGVYYDPSKDLIAEIQKQGQGQWTYQIYQEPFKNLKTGKYARMRGAHTNDVKQLTEAVQKITTESIVIWGKTPKFKLPIQKETWETWWTEYWQATWIPEWEFVNTPPLVKLWYQLEKEPIVGAETFYVDGAANRETKLGKAGYVTNKGRQKVVPLTNTTNQKTELQAIYLALQDSGLEVNIVTDSQYALGIIQAQPDKSESELVNQIIEQLIKKEKVYLAWVPAHKGIGGNEQVDKLVSA

Source Source

Source organism organism	Human immunodeficiency virus type 1 group M subtype B (isolate BH10)
Common name common_name	HIV-1
NCBI taxonomy ID ncbi_taxonomy_id	11678
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	HIV-1 REVERSE TRANSCRIPTASE P51 SUBUNIT
Molecular weight formula_weight	51928.6 kDa
EC 编号 ec_number	2.7.7.49,2.7.7.7
Mutation mutation	C879S
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B,D

MAHHHHHHALEVLFQGPISPIETVPVKLKPGMDGPKVKQWPLTEEKIKALVEICTEMEKEGKISKIGPENPYNTPVFAIKKKDSTKWRKLVDFRELNKRTQDFWEVQLGIPHPAGLKKKKSVTVLDVGDAYFSVPLDEDFRKYTAFTIPSINNETPGIRYQYNVLPQGWKGSPAIFQSSMTKILEPFKKQNPDIVIYQYMDDLYVGSDLEIGQHRTKIEELRQHLLRWGLTTPDKKHQKEPPFLWMGYELHPDKWTVQPIVLPEKDSWTVNDIQKLVGKLNWASQIYPGIKVRQLSKLLRGTKALTEVIPLTEEAELELAENREILKEPVHGVYYDPSKDLIAEIQKQGQGQWTYQIYQEPFKNLKTGKYARMRGAHTNDVKQLTEAVQKITTESIVIWGKTPKFKLPIQKETWETWWTEYWQATWIPEWEFVNTPPLVKLWYQ

Source Source

Source organism organism	Human immunodeficiency virus type 1 group M subtype B (isolate BH10)
Common name common_name	HIV-1
NCBI taxonomy ID ncbi_taxonomy_id	11678
Host organism host_organism	Escherichia coli

Entity 3 Entity 3 polymer

Description description	;DNA TEMPLATE (5'- D(APTPGPAPAPCPGPGPCPGPCPCPCPGPAPAPCPAPGPGPGPAPCPTPGPTP*G)-3') ;
Molecular weight formula_weight	8376.4 kDa
Source method src_method	syn
Copy count entity_count	2

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	T,E

ATGAACGGCGCCCGAACAGGGACTGTG

Entity 4 Entity 4 polymer

Description description	;DNA PRIMER (5'- D(APCPAPGPTPCPCPCPTPGPTPTPCPGPGPGPCPGPCPCP*GP)-3') ;
Molecular weight formula_weight	6400.1 kDa
Source method src_method	syn
Copy count entity_count	2

Polymer Polymer

Polymer type type	polydeoxyribonucleotide
Chain IDs strand_id	P,F

ACAGTCCCTGTTCGGGCGCCG

Entity 5 Entity 5 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 6 Entity 6 non-polymer

Description description	;2',3'-DEHYDRO-2',3'-DEOXY-THYMIDINE 5'-TRIPHOSPHATE ;
Molecular weight formula_weight	464.2 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 7 Entity 7 non-polymer

Description description	GLYCEROL
Molecular weight formula_weight	92.1 kDa
Source method src_method	syn
Copy count entity_count	13

Entity 8 Entity 8 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	695

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6. Fold Classification (SCOP + CATH) 18 domains

CATH v4.4 (18 domains)

Domain ID domain_id	6an8A01
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	10 — HIV Type 1 Reverse Transcriptase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — HIV Type 1 Reverse Transcriptase, subunit A, domain 1

Domain ID domain_id	6an8A02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	270 — Reverse transcriptase/Diguanylate cyclase domain

Domain ID domain_id	6an8A03
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	270 — Reverse transcriptase/Diguanylate cyclase domain

Domain ID domain_id	6an8A04
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	270 — Reverse transcriptase/Diguanylate cyclase domain

Domain ID domain_id	6an8A05
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily	10 — Ribonuclease H-like superfamily/Ribonuclease H

Domain ID domain_id	6an8B01
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	10 — HIV Type 1 Reverse Transcriptase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — HIV Type 1 Reverse Transcriptase, subunit A, domain 1

Domain ID domain_id	6an8B02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	270 — Reverse transcriptase/Diguanylate cyclase domain

Domain ID domain_id	6an8B03
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	270 — Reverse transcriptase/Diguanylate cyclase domain

Domain ID domain_id	6an8B04
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	270 — Reverse transcriptase/Diguanylate cyclase domain

Domain ID domain_id	6an8C01
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	10 — HIV Type 1 Reverse Transcriptase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — HIV Type 1 Reverse Transcriptase, subunit A, domain 1

Domain ID domain_id	6an8C02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	270 — Reverse transcriptase/Diguanylate cyclase domain

Domain ID domain_id	6an8C03
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	270 — Reverse transcriptase/Diguanylate cyclase domain

Domain ID domain_id	6an8C04
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	270 — Reverse transcriptase/Diguanylate cyclase domain

Domain ID domain_id	6an8C05
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily	10 — Ribonuclease H-like superfamily/Ribonuclease H

Domain ID domain_id	6an8D01
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	10 — HIV Type 1 Reverse Transcriptase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — HIV Type 1 Reverse Transcriptase, subunit A, domain 1

Domain ID domain_id	6an8D02
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	270 — Reverse transcriptase/Diguanylate cyclase domain

Domain ID domain_id	6an8D03
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	270 — Reverse transcriptase/Diguanylate cyclase domain

Domain ID domain_id	6an8D04
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily	270 — Reverse transcriptase/Diguanylate cyclase domain

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Unit-cell length a length_a	89.959 Å
Unit-cell length b length_b	132.824 Å
Unit-cell length c length_c	138.909 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	97.83 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	2.596 Å
Low-resolution limit resolution_low	43.359 Å
R factor r_factor	0.1783
R_work r_work	0.1777
R_free r_free	0.2166

STRUCTURE OF HIV-1 REVERSE TRANSCRIPTASE (RT) TERNARY COMPLEX WITH A DOUBLE STRANDED DNA AND AN INCOMING D4TTP AT PH 8.0

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

HIV-1 REVERSE TRANSCRIPTASE P66 SUBUNIT

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

6an8__assembly_1__model_1

6an8__assembly_1__model_1 | I(q)

6an8__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (8)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 polymer

Polymer Polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 water

6. Fold Classification (SCOP + CATH) 18 domains

CATH v4.4 (18 domains)

7. Citations (1)

STRUCTURE OF HIV-1 REVERSE TRANSCRIPTASE (RT) TERNARY COMPLEX WITH A DOUBLE STRANDED DNA AND AN INCOMING D4TTP AT PH 8.0

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

HIV-1 REVERSE TRANSCRIPTASE P66 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

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

6an8__assembly_1__model_1

6an8__assembly_1__model_1 | I(q)

6an8__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (8)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 polymer

Polymer Polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 non-polymer

Entity 8 Entity 8 water

6. Fold Classification (SCOP + CATH) 18 domains

CATH v4.4 (18 domains)

7. Citations (1)