6RXP: CobB Ac2

Crystal structure of CobB Ac2 (A76G,I131C,V162A) in complex with H4K16-Crotonyl peptide. Determined by X-ray diffraction at 1.8 Å resolution. Released 15 Apr 2020.

Method
X-ray diffraction
Resolution
1.8 Å
Organisms
Escherichia coli (strain K12), Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Chains
4
Atoms
4,165
Mol. weight
58.91 kDa
Ligands
ZN
Released
15 Apr 2020

Explore 6RXP in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

6RXP contains 28 α-helices and 32 β-strands across 4 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: 13 helices, 15 β-strands

ElementResiduesLengthSheet
β-strand43-4751
α-helix50-534
β-strand6112
β-strand66-6722
β-strand70-7122
α-helix72-754
α-helix78-836
α-helix85-9915
α-helix108-12013
α-helix121-1233
β-strand124-12851
α-helix134-1385
β-strand144-14521
β-strand148-15583
β-strand161-16333
β-strand17314
β-strand18214
β-strand183-18753
α-helix188-1892
α-helix193-1942
α-helix197-20610
β-strand209-21351
β-strand219-22025
α-helix222-2243
α-helix225-2317
β-strand235-24061
β-strand252-25541
α-helix258-27114
Chain B: 15 helices, 15 β-strands
ElementResiduesLengthSheet
β-strand43-4756
α-helix50-534
α-helix57-593
β-strand62-6327
β-strand66-6727
β-strand70-7127
α-helix72-754
α-helix78-836
α-helix85-9915
α-helix108-12013
α-helix121-1233
β-strand124-12856
α-helix134-1385
β-strand144-14526
β-strand148-15588
β-strand161-16338
β-strand17319
β-strand18219
β-strand183-18758
α-helix188-1892
α-helix193-1942
α-helix197-20610
β-strand209-21356
β-strand219-220210
α-helix222-2243
α-helix225-2317
β-strand235-24066
α-helix247-2493
β-strand252-25546
α-helix258-27316
Chains C and D: 0 helices, 1 β-strand
ElementResiduesLengthSheet
β-strand17-1825

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
NAD-dependent protein deacylaseA, Bprotein254Escherichia coli (strain K12)P75960 (AlphaFold model)
Histone H4C, Dprotein11Saccharomyces cerevisiae (strain ATCC 204508 / S288c)P02309 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>6RXP_1 NAD-dependent protein deacylase (chains A, B)
MGSSHHHHHHSQDPKPRVLVLTGAGISAESGIRTFRAADGLWEEHRVEDVGTPEGFDRDP
ELVQAFYNARRRQLQQPEIQPNAAHLALAKLQDALGDRFLLVTQNCDNLHERAGNTNVIH
MHGELLKVRCSQSGQALDWTGDVTPEDKCHCCQFPAPLRPHVVWFGEMPLGMDEIYMALS
MADIFIAIGTSGHVYPAAGFVHEAKLHGAHTVELNLEPSQVGNEFAEKYYGPASQVVPEF
VEKLLKGLKAGSIA
Sequence of entity 2 (C, D), FASTA
>6RXP_2 Histone H4 (chains C, D)
KGGAXRHRKIL

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn2

Primary citation

Evolved, Selective Erasers of Distinct Lysine Acylations. Spinck, M., Neumann-Staubitz, P., Ecke, M. et al. Angew Chem Int Ed Engl (2020) 59:11142-11149. DOI 10.1002/anie.202002899 · PubMed

Other PDB entries of the same protein (UniProt P75960 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

About this viewer

MolViewer shows 6RXP 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.