9YVW | pdb_00009yvw

HIV-1 RT F227C with DNA and islatravir-triphosphate

PDB DOI: https://doi.org/10.2210/pdb9YVW/pdb

Classification: Viral protein/DNA
Organism(s): Human immunodeficiency virus 1
Expression System: Escherichia coli BL21, Escherichia coli
Mutation(s): Yes

Deposited: 2025-10-23 Released: 2026-10-28
Deposition Author(s): Snyder, A.A., Kirby, K.A., Sarafianos, S.G.
Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.80 Å
R-Value Free:
0.214 (Depositor), 0.214 (DCC)
R-Value Work:
0.186 (Depositor), 0.185 (DCC)
R-Value Observed:
0.188 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.0 of the entry. See complete history.

Literature

HIV-1 RT F227C with DNA and islatravir-triphosphate

Snyder, A.A., Kirby, K.A., Sarafianos, S.G.

To be published.

Macromolecule Content

Total Structure Weight: 133.61 kDa
Atom Count: 9,852
Modeled Residue Count: 1,005
Deposited Residue Count: 1,060
Unique protein chains: 2
Unique nucleic acid chains: 2

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
P66	A	560	Human immunodeficiency virus 1	Mutation(s): 1 Gene Names: pol EC: 3.4.23.1
UniProt
Find proteins for A7YKL0 (Human immunodeficiency virus type 1) Explore A7YKL0 Go to UniProtKB: A7YKL0
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	A7YKL0
Sequence Annotations Expand
Reference Sequence

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| 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
P51	B	452	Human immunodeficiency virus 1	Mutation(s): 0 Gene Names: pol EC: 3.4.23.1
UniProt
Find proteins for A7YKL0 (Human immunodeficiency virus type 1) Explore A7YKL0 Go to UniProtKB: A7YKL0
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	A7YKL0
Sequence Annotations Expand
Reference Sequence

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Molecule	Chains	Length	Organism
Entity ID: 3
Primer	C [auth P]	21	Human immunodeficiency virus 1
Sequence Annotations Expand
Reference Sequence

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(by identity cutoff)

Molecule	Chains	Length	Organism
Entity ID: 4
Template	D [auth T]	27	Human immunodeficiency virus 1
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
6FN (Subject of Investigation/LOI) Query on 6FN Download:Ideal Coordinates CCD File SDF format, chain E [auth A] MOL2 format, chain E [auth A] mmCIF format, chain E [auth A]	E [auth A]	2'-deoxy-4'-ethynyl-2-fluoroadenosine 5'-(tetrahydrogen triphosphate) C₁₂ H₁₅ F N₅ O₁₂ P₃ BUMPFXRZUYYODO-QRPMWFLTSA-N		Interactions Focus chain E [auth A] Interactions & Density Focus chain E [auth A]
B3P Query on B3P Download:Ideal Coordinates CCD File SDF format, chain T MOL2 format, chain T mmCIF format, chain T	T	2-[3-(2-HYDROXY-1,1-DIHYDROXYMETHYL-ETHYLAMINO)-PROPYLAMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL C₁₁ H₂₆ N₂ O₆ HHKZCCWKTZRCCL-UHFFFAOYSA-N		Interactions Focus chain T Interactions & Density Focus chain T
EDO Query on EDO Download:Ideal Coordinates CCD File SDF format, chain F [auth A] SDF format, chain G [auth A] SDF format, chain H [auth A] SDF format, chain I [auth A] SDF format, chain M [auth A] SDF format, chain N [auth B] SDF format, chain O [auth B] SDF format, chain P [auth B] SDF format, chain Q [auth P] MOL2 format, chain F [auth A] MOL2 format, chain G [auth A] MOL2 format, chain H [auth A] MOL2 format, chain I [auth A] MOL2 format, chain M [auth A] MOL2 format, chain N [auth B] MOL2 format, chain O [auth B] MOL2 format, chain P [auth B] MOL2 format, chain Q [auth P] mmCIF format, chain F [auth A] mmCIF format, chain G [auth A] mmCIF format, chain H [auth A] mmCIF format, chain I [auth A] mmCIF format, chain M [auth A] mmCIF format, chain N [auth B] mmCIF format, chain O [auth B] mmCIF format, chain P [auth B] mmCIF format, chain Q [auth P]	F [auth A] G [auth A] H [auth A] I [auth A] M [auth A] F [auth A], G [auth A], H [auth A], I [auth A], M [auth A], N [auth B], O [auth B], P [auth B], Q [auth P]	1,2-ETHANEDIOL C₂ H₆ O₂ LYCAIKOWRPUZTN-UHFFFAOYSA-N		Interactions Focus chain F [auth A] Focus chain G [auth A] Focus chain H [auth A] Focus chain I [auth A] Focus chain M [auth A] Focus chain N [auth B] Focus chain O [auth B] Focus chain P [auth B] Focus chain Q [auth P] Interactions & Density Focus chain F [auth A] Focus chain G [auth A] Focus chain H [auth A] Focus chain I [auth A] Focus chain M [auth A] Focus chain N [auth B] Focus chain O [auth B] Focus chain P [auth B] Focus chain Q [auth P]
CL Query on CL Download:Ideal Coordinates CCD File SDF format, chain L [auth A] MOL2 format, chain L [auth A] mmCIF format, chain L [auth A]	L [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain L [auth A] Interactions & Density Focus chain L [auth A]
MG Query on MG Download:Ideal Coordinates CCD File SDF format, chain J [auth A] SDF format, chain K [auth A] SDF format, chain R [auth P] SDF format, chain S [auth T] MOL2 format, chain J [auth A] MOL2 format, chain K [auth A] MOL2 format, chain R [auth P] MOL2 format, chain S [auth T] mmCIF format, chain J [auth A] mmCIF format, chain K [auth A] mmCIF format, chain R [auth P] mmCIF format, chain S [auth T]	J [auth A], K [auth A], R [auth P], S [auth T]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain J [auth A] Focus chain K [auth A] Focus chain R [auth P] Focus chain S [auth T] Interactions & Density Focus chain J [auth A] Focus chain K [auth A] Focus chain R [auth P] Focus chain S [auth T]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.80 Å
R-Value Free: 0.214 (Depositor), 0.214 (DCC)
R-Value Work: 0.186 (Depositor), 0.185 (DCC)
R-Value Observed: 0.188 (Depositor)

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 83.992	α = 90
b = 100.68	β = 113.95
c = 92.488	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
Aimless	data scaling
XDS	data reduction
PHASER	phasing
PDB_EXTRACT	data extraction

Structure Validation

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Ligand Structure Quality Assessment

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Entry History

& Funding Information

Deposition Data

Released Date: 2026-10-28

Deposition Author(s):

Snyder, A.A.

Kirby, K.A.

Sarafianos, S.G.

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	F31AI172618
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	R37AI076119