3D4B: Sir2Tm

Crystal structure of Sir2Tm in complex with Acetyl p53 peptide and DADMe-NAD+. Determined by X-ray diffraction at 1.9 Å resolution. Released 30 Sept 2008.

Method
X-ray diffraction
Resolution
1.9 Å
Organism
Thermotoga maritima
Chains
2
Atoms
2,038
Mol. weight
29.41 kDa
Ligands
DZD, ZN
Released
30 Sept 2008

Explore 3D4B in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3D4B contains 17 α-helices and 17 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: 17 helices, 15 β-strands

ElementResiduesLengthSheet
α-helix3-1210
β-strand16-2051
α-helix22-243
α-helix26-283
β-strand4912
α-helix50-556
α-helix57-6711
α-helix69-724
α-helix74-763
α-helix78-8811
β-strand94-9741
α-helix103-1064
β-strand112-11431
β-strand117-12483
β-strand130-13233
α-helix133-1397
β-strand14714
α-helix1531
β-strand15414
β-strand155-15953
β-strand16212
β-strand16515
α-helix166-1672
α-helix168-18013
β-strand183-18751
β-strand193-19426
α-helix196-1983
α-helix199-2057
β-strand209-21351
α-helix221-2233
β-strand226-22831
α-helix232-24312
Chain D: 0 helices, 2 β-strands
ElementResiduesLengthSheet
β-strand1015
β-strand12-1326

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
NAD-dependent deacetylaseAprotein246Thermotoga maritimaQ9WYW0 (AlphaFold model)
Acetyl P53 peptideDprotein9
Sequence of entity 1 (A), FASTA
>3D4B_1 NAD-dependent deacetylase (chains A)
MKMKEFLDLLNESRLTVTLTGAGISTPSGIPDFRGPNGIYKKYSQNVFDIDFFYSHPEEF
YRFAKEGIFPMLQAKPNLAHVLLAKLEEKGLIEAVITQNIDRLHQRAGSKKVIELHGNVE
EYYCVRCEKKYTVEDVIKKLESSDVPLCDDCNSLIRPNIVFFGENLPQDALREAIGLSSR
ASLMIVLGSSLVVYPAAELPLITVRSGGKLVIVNLGETPFDDIATLKYNMDVVEFARRVM
EEGGIS
Sequence of entity 2 (D), FASTA
>3D4B_2 Acetyl P53 peptide (chains D)
TSRHKKLMA

Ligands and cofactors

IDNameFormulaCopies
DZD5'-O-[(R)-{[(R)-{[(3R,4R)-1-(3-carbamoylbenzyl)-4-hydroxypyrrolidin-3-yl]methox…C24 H33 N7 O11 P21
ZNZinc ionZn1

Primary citation

Structural insights into intermediate steps in the Sir2 deacetylation reaction. Hawse, W.F., Hoff, K.G., Fatkins, D.G. et al. Structure (2008) 16:1368-1377. DOI 10.1016/j.str.2008.05.015 · PubMed

Other PDB entries of the same protein (UniProt Q9WYW0 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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