5UN8: Human O-GlcNAcase

Crystal Structure of human O-GlcNAcase in complex with glycopeptide p53. Determined by X-ray diffraction at 2.13 Å resolution. Released 15 Mar 2017.

Method
X-ray diffraction
Resolution
2.13 Å
Organism
Homo sapiens
Chains
8
Atoms
15,552
Mol. weight
236.96 kDa
Ligands
NAG
Released
15 Mar 2017

Explore 5UN8 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

5UN8 contains 95 α-helices and 44 β-strands across 6 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: 23 helices, 10 β-strands

ElementResiduesLengthSheet
β-strand61-6661
α-helix72-743
α-helix75-8713
β-strand92-9541
α-helix101-1033
α-helix110-1123
α-helix113-12816
β-strand132-13761
α-helix148-16215
β-strand168-17251
α-helix182-1876
α-helix191-20515
β-strand212-21541
α-helix221-2233
α-helix232-2409
β-strand246-24941
α-helix261-27111
α-helix274-2752
β-strand276-27941
α-helix301-3066
β-strand309-31241
α-helix318-3214
α-helix322-33211
α-helix376-38813
α-helix392-3954
α-helix555-56410
β-strand56712
β-strand57012
α-helix573-58715
α-helix589-5913
α-helix605-62824
α-helix634-66128
α-helix684-6929
Chain B: 24 helices, 10 β-strands
ElementResiduesLengthSheet
β-strand61-6663
α-helix72-732
α-helix75-8713
β-strand92-9543
α-helix101-1033
α-helix110-1112
α-helix113-12816
β-strand132-13763
α-helix148-16316
β-strand168-17253
α-helix179-1813
α-helix182-1876
α-helix191-20515
β-strand212-21543
α-helix221-2233
α-helix232-2409
β-strand246-24943
α-helix261-27111
α-helix274-2752
β-strand276-27943
α-helix301-3066
β-strand309-31243
α-helix318-3214
α-helix322-33211
α-helix376-38813
α-helix392-3954
α-helix555-56410
β-strand56714
β-strand57014
α-helix573-58715
α-helix589-5913
α-helix604-62825
α-helix634-66128
α-helix684-6929
Chain C: 24 helices, 10 β-strands
ElementResiduesLengthSheet
β-strand61-6665
α-helix72-732
α-helix75-8713
β-strand92-9545
α-helix109-1124
α-helix113-12816
β-strand132-13765
α-helix148-16215
β-strand168-17255
α-helix182-1876
α-helix191-20515
β-strand212-21545
α-helix221-2233
α-helix232-2409
β-strand246-24945
α-helix261-27111
α-helix274-2752
β-strand276-27945
α-helix295-2962
α-helix301-3066
β-strand309-31245
α-helix318-3214
α-helix322-33312
α-helix376-38813
α-helix555-56410
β-strand56716
β-strand57016
α-helix573-58715
α-helix589-5913
α-helix605-62925
α-helix634-66229
α-helix663-6653
α-helix678-6803
α-helix684-6918
Chain D: 23 helices, 10 β-strands
ElementResiduesLengthSheet
β-strand61-6667
α-helix72-743
α-helix75-8713
β-strand92-9547
α-helix109-1124
α-helix113-12816
β-strand132-13767
α-helix148-16316
β-strand168-17257
α-helix182-1854
α-helix191-20515
β-strand212-21547
α-helix221-2233
α-helix232-2409
β-strand246-24947
α-helix261-27111
α-helix274-2752
β-strand276-27947
α-helix301-3066
β-strand309-31247
α-helix318-3214
α-helix322-33413
α-helix376-38813
α-helix555-56410
β-strand56718
β-strand57018
α-helix573-58715
α-helix589-5913
α-helix605-62925
α-helix634-66229
α-helix663-6653
α-helix678-6803
α-helix684-6918
Chain G: 1 helix, 2 β-strands
ElementResiduesLengthSheet
β-strand14719
β-strand15019
α-helix151-1533
Chain H: 0 helices, 2 β-strands
ElementResiduesLengthSheet
β-strand147110
β-strand150110

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Protein O-GlcNAcaseA, B, C, Dprotein504Homo sapiensO60502 (AlphaFold model)
P53 peptideE, F, G, Hprotein11Homo sapiensP04637 (AlphaFold model)
Sequence of entity 1 (A, B, C, D), FASTA
>5UN8_1 Protein O-GlcNAcase (chains A, B, C, D)
HFLCGVVEGFYGRPWVMEQRKELFRRLQKWELNTYLYAPKDDYKHRMFWREMYSVEEAEQ
LMTLISAAREYEIEFIYAISPGLDITFSNPKEVSTLKRKLDQVSQFGCRSFALLFDNIDH
NMCAADKEVFSSFAHAQVSITNEIYQYLGEPETFLFCPTEYCGTFCYPNVSQSPYLRTVG
EKLLPGIEVLWTGPKVVSKEIPVESIEEVSKIIKRAPVIWDNIHANDYDQKRLFLGPYKG
RSTELIPRLKGVLTNPNCEFEANYVAIHTLATWYKSNMNGVRKDVVMTDSEDSTVSIQIK
LENEGSDEDIETDVLYSPQMALKLALTEWLQEFGVPHQYSSRGGGGSGGGGSVTLEDLQL
LADLFYLPYEHGPKGAQMLREFQWLRANSSVVSVNCKGKDSEKIEEWRSRAAKFEEMCGL
VMGMFTRLSNCANRTILYDMYSYVWDIKSIMSMVKSFVQWLGCRSHSSAQFLIGDQEPWA
FRGGLAGEFQRLLPIDGANDLFFQ
Sequence of entity 2 (E, F, G, H), FASTA
>5UN8_2 P53 peptide (chains E, F, G, H)
QLWVDSTPPPG

Ligands and cofactors

IDNameFormulaCopies
NAG2-acetamido-2-deoxy-beta-D-glucopyranoseC8 H15 N O64

Primary citation

Structures of human O-GlcNAcase and its complexes reveal a new substrate recognition mode. Li, B., Li, H., Lu, L. et al. Nat Struct Mol Biol (2017) 24:362-369. DOI 10.1038/nsmb.3390 · PubMed

Other PDB entries of the same protein (UniProt O60502 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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