4ROV: 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 1.8 Å resolution. Released 31 Dec 2014.

Method
X-ray diffraction
Resolution
1.8 Å
Organism
Homo sapiens
Chains
2
Atoms
3,426
Mol. weight
46.59 kDa
Ligands
ZN
Released
31 Dec 2014

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

Secondary structure: helices and β-sheets

4ROV contains 26 α-helices and 18 β-strands across 2 chains. 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: 14 helices, 10 β-strands

ElementResiduesLengthSheet
β-strand19711
α-helix199-2068
β-strand219-228102
β-strand231-23442
α-helix236-2383
β-strand240-24342
α-helix2441
β-strand24513
α-helix246-2472
β-strand25613
α-helix258-2658
α-helix266-2694
β-strand277-28372
α-helix286-2883
α-helix289-30113
β-strand305-31172
α-helix317-3193
α-helix321-33010
β-strand334-33742
α-helix340-35011
β-strand35111
α-helix356-3583
α-helix360-3612
α-helix364-37916
Chain B: 12 helices, 8 β-strands
ElementResiduesLengthSheet
β-strand19714
α-helix199-2068
β-strand219-228105
β-strand231-23445
α-helix236-2383
β-strand240-24345
α-helix255-2573
α-helix258-2658
α-helix266-2694
β-strand277-28375
α-helix286-2883
α-helix289-30113
β-strand305-31175
α-helix323-3308
β-strand334-33745
α-helix340-35011
β-strand35114
α-helix356-3583
α-helix360-3612
α-helix364-38017

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
DNA dC->dU-editing enzyme APOBEC-3GA, Bprotein198Homo sapiensQ9HC16 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>4ROV_1 DNA dC->dU-editing enzyme APOBEC-3G (chains A, B)
GSHMASLRHSMDPPTFTFNFNNEPWVRGRHETYLCYEVERMHNDTWVLLNQRRGFLCNQA
PHKHGFLEGRHAELCFLDVIPFWKLDLDQDYRVTCFTSWSPCFSCAQEMAKFISKNKHVS
LCIFTARIYDDQGRCQEGLRTLAEAGAKISIMTYSEFKHCWDTFVDHQGCPFQPWDGLDE
HSQDLSGRLRAILQNQEN

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn2

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:

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