4ROW: DNA dC->dU-editing enzyme APOBEC-3G

The crystal structure of novel APOBEC3G CD2 head-to-tail dimer suggests the binding mode of full-length APOBEC3G to HIV-1 ssDNA. Determined by X-ray diffraction at 1.7 Å resolution. Released 31 Dec 2014.

Method
X-ray diffraction
Resolution
1.7 Å
Organism
Homo sapiens
Chains
1
Atoms
1,782
Mol. weight
23.25 kDa
Ligands
ZN
Released
31 Dec 2014

Explore 4ROW in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

4ROW contains 13 α-helices and 11 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 13 helices, 11 β-strands

ElementResiduesLengthSheet
β-strand19411
β-strand19712
α-helix199-2068
β-strand219-228101
β-strand231-23441
α-helix236-2383
β-strand240-24341
α-helix2441
β-strand24513
α-helix246-2472
β-strand25613
α-helix258-2658
α-helix266-2694
β-strand277-28371
α-helix286-2883
α-helix289-30113
β-strand305-31171
α-helix321-33010
β-strand334-33741
α-helix340-35011
β-strand35112
α-helix356-3583
α-helix360-3612
α-helix364-37916

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
DNA dC->dU-editing enzyme APOBEC-3GAprotein198Homo sapiensQ9HC16 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>4ROW_1 DNA dC->dU-editing enzyme APOBEC-3G (chains A)
GSHMASLRHSMDPPTFTFNFNNEPWVRGRHETYLCYEVERMHNDTWVLLNQRRGFLCNQA
PHKHGFLEGRHAELCFLDVIPFWKLDLDQDYRVTCFTSWSPCFSCAQEMAKFISKNKHVS
LCIFTARIYDDQGRCQEGLRTLAEAGAKISIMTYSEFKHCWDTFVDHQGCPFQPWDGLDE
HSQALSGRLRAILQNQEN

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn1

Primary citation

Crystal structure of DNA cytidine deaminase ABOBEC3G catalytic deamination domain suggests a binding mode of full-length enzyme to single-stranded DNA. Lu, X., Zhang, T., Xu, Z. et al. J Biol Chem (2015) 290:4010-4021. DOI 10.1074/jbc.M114.624262 · PubMed

Other PDB entries of the same protein (UniProt Q9HC16 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

About this viewer

MolViewer shows 4ROW directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.