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PUP_MYCBT
ID   PUP_MYCBT               Reviewed;          64 AA.
AC   C1AQ27;
DT   19-JAN-2010, integrated into UniProtKB/Swiss-Prot.
DT   26-MAY-2009, sequence version 1.
DT   25-MAY-2022, entry version 57.
DE   RecName: Full=Prokaryotic ubiquitin-like protein Pup {ECO:0000255|HAMAP-Rule:MF_02106};
DE   AltName: Full=Bacterial ubiquitin-like modifier {ECO:0000255|HAMAP-Rule:MF_02106};
GN   Name=pup {ECO:0000255|HAMAP-Rule:MF_02106}; OrderedLocusNames=JTY_2122;
OS   Mycobacterium bovis (strain BCG / Tokyo 172 / ATCC 35737 / TMC 1019).
OC   Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae;
OC   Mycobacterium; Mycobacterium tuberculosis complex.
OX   NCBI_TaxID=561275;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=BCG / Tokyo 172 / ATCC 35737 / TMC 1019;
RX   PubMed=19200449; DOI=10.1016/j.vaccine.2009.01.034;
RA   Seki M., Honda I., Fujita I., Yano I., Yamamoto S., Koyama A.;
RT   "Whole genome sequence analysis of Mycobacterium bovis bacillus Calmette-
RT   Guerin (BCG) Tokyo 172: a comparative study of BCG vaccine substrains.";
RL   Vaccine 27:1710-1716(2009).
CC   -!- FUNCTION: Protein modifier that is covalently attached to lysine
CC       residues of substrate proteins, thereby targeting them for proteasomal
CC       degradation. The tagging system is termed pupylation.
CC       {ECO:0000255|HAMAP-Rule:MF_02106}.
CC   -!- PATHWAY: Protein degradation; proteasomal Pup-dependent pathway.
CC       {ECO:0000255|HAMAP-Rule:MF_02106}.
CC   -!- SUBUNIT: Strongly interacts with the proteasome-associated ATPase ARC
CC       through a hydrophobic interface; the interacting region of Pup lies in
CC       its C-terminal half. There is one Pup binding site per ARC hexamer
CC       ring. {ECO:0000255|HAMAP-Rule:MF_02106}.
CC   -!- DOMAIN: The N-terminal unstructured half of Pup provides a signal
CC       required to initiate unfolding and degradation by the proteasome but is
CC       not needed for pupylation, while the C-terminal helical half of Pup
CC       interacts with ARC to target proteins to the proteasome.
CC       {ECO:0000255|HAMAP-Rule:MF_02106}.
CC   -!- PTM: Is modified by deamidation of its C-terminal glutamine to
CC       glutamate by the deamidase Dop, a prerequisite to the subsequent
CC       pupylation process. {ECO:0000255|HAMAP-Rule:MF_02106}.
CC   -!- SIMILARITY: Belongs to the prokaryotic ubiquitin-like protein family.
CC       {ECO:0000255|HAMAP-Rule:MF_02106}.
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DR   EMBL; AP010918; BAH26406.1; -; Genomic_DNA.
DR   RefSeq; WP_003411026.1; NZ_CP014566.1.
DR   AlphaFoldDB; C1AQ27; -.
DR   SMR; C1AQ27; -.
DR   GeneID; 45426086; -.
DR   KEGG; mbt:JTY_2122; -.
DR   HOGENOM; CLU_183816_1_0_11; -.
DR   OMA; AGQERME; -.
DR   UniPathway; UPA00997; -.
DR   GO; GO:0070628; F:proteasome binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0031386; F:protein tag; IEA:UniProtKB-UniRule.
DR   GO; GO:0019941; P:modification-dependent protein catabolic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0010498; P:proteasomal protein catabolic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0070490; P:protein pupylation; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_02106; Pup; 1.
DR   InterPro; IPR008515; Ubiquitin-like_Pup.
DR   Pfam; PF05639; Pup; 1.
DR   TIGRFAMs; TIGR03687; pupylate_cterm; 1.
PE   3: Inferred from homology;
KW   Coiled coil; Isopeptide bond; Ubl conjugation pathway.
FT   CHAIN           1..64
FT                   /note="Prokaryotic ubiquitin-like protein Pup"
FT                   /id="PRO_0000390590"
FT   REGION          1..37
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          21..58
FT                   /note="ARC ATPase binding"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_02106"
FT   COILED          23..52
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_02106"
FT   COMPBIAS        21..36
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   MOD_RES         64
FT                   /note="Deamidated glutamine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_02106"
FT   CROSSLNK        64
FT                   /note="Isoglutamyl lysine isopeptide (Gln-Lys) (interchain
FT                   with K-? in acceptor proteins)"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_02106"
SQ   SEQUENCE   64 AA;  6944 MW;  7D958B770D8766E3 CRC64;
     MAQEQTKRGG GGGDDDDIAG STAAGQERRE KLTEETDDLL DEIDDVLEEN AEDFVRAYVQ
     KGGQ
 
 
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