MolNFT v1 · #111904 · protein + RNA

Human ARGONAUTE2 A481T mutant bound to T1-G target RNA

4Z4I · Protein argonaute-2: “Human ARGONAUTE2 A481T mutant bound to T1-G target RNA”. X-ray diffraction, 2 ligands (IPH, MG), 7 pockets (best druggability 0.88). MolNFT v1 #111904 on GenesisL1: 3D structure, binding sites and pockets in…

PDB: 4Z4I
Type: protein + RNA
Length: 827 residues
Chains: 3
Method: x-ray diffraction
Collection: MolNFT v1 / PDB
Contract: 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner: 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule: Protein argonaute-2; RNA (5'- R(P*UP*UP*CP*AP*CP*AP*UP*UP*GP*CP*CP*CP*AP*AP*GP*UP*CP*UP*UP…
EC: 3.1.26.-
UniProt: Q9UKV8
Ligands: IPH, MG
Pockets: 7 · best druggability 0.88

Structure

x-ray diffraction · 3 distinct chains · 31% helix, 26% strand (DSSP).

Chain	Molecule	Type	Residues	Secondary structure	UniProt
A	Protein argonaute-2 (EC 3.1.26.-)	protein	800	31% helix, 26% strand	Q9UKV8
B	RNA (5'- R(PUPUPCPAPCPAPUPUPGPCPCPCPAPAPGPUPCPUPUPU)-3')	rna	19	—	—
D	RNA (5'-R(CPAPAPUPGPUPGPA)-3')	rna	8	—	—

Ligands and binding sites

IPH · Phenol · ligand · 3 copies · chains A
MG · Magnesium ion · metal · 3 copies · chains A, B, D

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

7 pockets found on a 1 Å grid, 5 with a druggability of 0.5 or more.

Pocket	Volume (Å³)	Druggability	Buriedness	Lining residues	Inside
1	910	0.88	0.91	102	MG
2	109	0.66	0.90	19	empty
3	181	0.61	0.83	27	empty
4	65	0.54	0.87	16	empty
5	164	0.50	0.78	35	empty

Interfaces

3 interfaces between chains.

A–B · 2375 Å² buried · 68 hydrogen bonds · protein-nucleic
A–D · 686 Å² buried · 13 hydrogen bonds · protein-nucleic
B–D · 408 Å² buried · 31 hydrogen bonds · nucleic-nucleic

Compared structures

4Z4I · Human Argonaute2 A481T Mutant Bound to t1-G Target RNA · the same entry in another collection · chain A against A, TM-score 1.00
Q9UKV8 · AlphaFold monomer V2.0 prediction for protein argonaute-2 (Q9UKV8) · a predicted model of the same protein · chain A against A, TM-score 0.98

Analyse

Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
Every structure of UniProt Q9UKV8
Elsewhere: RCSB PDB 4Z4I · PDBe 4Z4I · UniProt Q9UKV8

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