4BN4: Human SIRT3

Structure of human SIRT3 in complex with ADP-ribose. Determined by X-ray diffraction at 1.3 Å resolution. Released 26 Jun 2013.

Method
X-ray diffraction
Resolution
1.3 Å
Organism
HOMO SAPIENS
Chains
1
Atoms
2,560
Mol. weight
32.43 kDa
Ligands
ZN, AR6, OP2
Released
26 Jun 2013

Explore 4BN4 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

4BN4 contains 18 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: 18 helices, 11 β-strands

ElementResiduesLengthSheet
α-helix125-1339
β-strand140-14451
α-helix146-1527
α-helix164-1685
α-helix176-1805
α-helix182-1876
α-helix190-19910
α-helix208-21811
β-strand222-22761
α-helix233-2364
α-helix241-2433
β-strand244-24631
β-strand249-25682
β-strand262-26432
α-helix265-2739
β-strand27913
β-strand28613
β-strand287-29152
α-helix292-2932
α-helix297-2993
α-helix300-3045
α-helix305-3117
β-strand314-31851
α-helix327-3304
β-strand340-34451
α-helix349-3535
β-strand359-36351
α-helix366-37712
α-helix380-39112

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
NAD-dependent protein deacetylase sirtuin-3, mitochondrialAprotein284HOMO SAPIENSQ9NTG7 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>4BN4_1 NAD-DEPENDENT PROTEIN DEACETYLASE SIRTUIN-3, MITOCHONDRIAL (chains A)
GSSDKGKLSLQDVAELIRARACQRVVVMVGAGISTPSGIPDFRSPGSGLYSNLQQYDLPY
PEAIFELPFFFHNPKPFFTLAKELYPGNYKPNVTHYFLRLLHDKGLLLRLYTQNIDGLER
VSGIPASKLVEAHGTFASATCTVCQRPFPGEDIRADVMADRVPRCPVCTGVVKPDIVFFG
EPLPQRFLLHVVDFPMADLLLILGTSLEVEPFASLTEAVRSSVPRLLINRDLVGPLAWHP
RSRDVAQLGDVVHGVESLVELLGWTEEMRDLVQRETGKLDGPDK

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn1
AR6[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxy-oxolan-2-yl]methyl[hydroxy-[…C15 H23 N5 O14 P21
OP22-[2-[2-[2-[2-(2-hydroxyethyloxy)ethoxy]ethoxy]ethoxy]ethoxy]ethanoic acidC12 H24 O81

Water and common crystallization additives (NA) are not listed.

Primary citation

Structures of Human Sirtuin 3 Complexes with Adp-Ribose and with Carba-Nad+ and Srt1720: Binding Details and Inhibition Mechanism. Nguyen, G.T.T., Schaefer, S., Gertz, M. et al. Acta Crystallogr D Biol Crystallogr (2013) 69:1423. DOI 10.1107/S0907444913015448 · PubMed

Other PDB entries of the same protein (UniProt Q9NTG7 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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