4kxt

Structure of human ARGONAUTE1 in complex with guide RNA

Method: X-RAY DIFFRACTION
▼

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

Protein argonaute-1

Homo sapiens

UniProt Q9UL18

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Monomer Protein 1 RNA 1 RNA × 1 water × 2 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name AGO1_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 6–862; UniProt 1–857

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id4kxt
Deposition date deposition_date2013-05-28
Structure title titleStructure of human ARGONAUTE1 in complex with guide RNA
Keywords keywordsRNase H fold, nuclease, RNA, HYDROLASE-RNA complex; HYDROLASE/RNA
Experimental Method methodX-RAY DIFFRACTION
▼

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.

4kxt__assembly_1__model_1

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

Download this curve (.dat)

4kxt__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

4kxt__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg(Guinier)30.59 Å
Rg (electron density)29.99 Å
Total Rg30.68 Å
Atom count6695
Residues818
Excluded volume118990 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 4kxt__assembly_1__model_1 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (3)

▼

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd4kxta1
Class classb — All beta proteins
Fold Fold foldb.34 — SH3-like barrel
Superfamily Superfamily superfamilyb.34.14 — PAZ domain
Family Family familyb.34.14.0 — automated matches
Domain ID domain_idd4kxta2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.44 — Phosphotyrosine protein phosphatases I-like
Superfamily Superfamily superfamilyc.44.3 — PIWI domain N-terminal-like
Family Family familyc.44.3.0 — automated matches
Domain ID domain_idd4kxta3
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamilyc.55.3 — Ribonuclease H-like
Family Family familyc.55.3.0 — automated matches

CATH v4.4 (3 domains)

Domain ID domain_id4kxtA02
Class class2 — Mainly Beta
Architecture architecture170 — Beta Complex
Topology topology260 — paz domain
Homologous superfamily homologous superfamily10 — paz domain
Domain ID domain_id4kxtA03
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily2300 — Response regulator
Domain ID domain_id4kxtA04
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H
▶

7. Citations (1)