PAFA_ACTMD
ID PAFA_ACTMD Reviewed; 452 AA.
AC C6WIE4;
DT 10-AUG-2010, integrated into UniProtKB/Swiss-Prot.
DT 22-SEP-2009, sequence version 1.
DT 03-AUG-2022, entry version 69.
DE RecName: Full=Pup--protein ligase {ECO:0000255|HAMAP-Rule:MF_02111};
DE EC=6.3.1.19 {ECO:0000255|HAMAP-Rule:MF_02111};
DE AltName: Full=Proteasome accessory factor A {ECO:0000255|HAMAP-Rule:MF_02111};
DE AltName: Full=Pup-conjugating enzyme {ECO:0000255|HAMAP-Rule:MF_02111};
GN Name=pafA {ECO:0000255|HAMAP-Rule:MF_02111}; OrderedLocusNames=Amir_2247;
OS Actinosynnema mirum (strain ATCC 29888 / DSM 43827 / JCM 3225 / NBRC 14064
OS / NCIMB 13271 / NRRL B-12336 / IMRU 3971 / 101).
OC Bacteria; Actinobacteria; Pseudonocardiales; Pseudonocardiaceae;
OC Actinosynnema.
OX NCBI_TaxID=446462;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 29888 / DSM 43827 / JCM 3225 / NBRC 14064 / NCIMB 13271 / NRRL
RC B-12336 / IMRU 3971 / 101;
RX PubMed=21304636; DOI=10.4056/sigs.21137;
RA Land M., Lapidus A., Mayilraj S., Chen F., Copeland A., Del Rio T.G.,
RA Nolan M., Lucas S., Tice H., Cheng J.F., Chertkov O., Bruce D., Goodwin L.,
RA Pitluck S., Rohde M., Goker M., Pati A., Ivanova N., Mavromatis K.,
RA Chen A., Palaniappan K., Hauser L., Chang Y.J., Jeffries C.C., Brettin T.,
RA Detter J.C., Han C., Chain P., Tindall B.J., Bristow J., Eisen J.A.,
RA Markowitz V., Hugenholtz P., Kyrpides N.C., Klenk H.P.;
RT "Complete genome sequence of Actinosynnema mirum type strain (101).";
RL Stand. Genomic Sci. 1:46-53(2009).
CC -!- FUNCTION: Catalyzes the covalent attachment of the prokaryotic
CC ubiquitin-like protein modifier Pup to the proteasomal substrate
CC proteins, thereby targeting them for proteasomal degradation. This
CC tagging system is termed pupylation. The ligation reaction involves the
CC side-chain carboxylate of the C-terminal glutamate of Pup and the side-
CC chain amino group of a substrate lysine. {ECO:0000255|HAMAP-
CC Rule:MF_02111}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + [prokaryotic ubiquitin-like protein]-L-glutamate +
CC [protein]-L-lysine = ADP + phosphate + N(6)-([prokaryotic ubiquitin-
CC like protein]-gamma-L-glutamyl)-[protein]-L-lysine.; EC=6.3.1.19;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_02111};
CC -!- PATHWAY: Protein degradation; proteasomal Pup-dependent pathway.
CC {ECO:0000255|HAMAP-Rule:MF_02111}.
CC -!- PATHWAY: Protein modification; protein pupylation. {ECO:0000255|HAMAP-
CC Rule:MF_02111}.
CC -!- MISCELLANEOUS: The reaction mechanism probably proceeds via the
CC activation of Pup by phosphorylation of its C-terminal glutamate, which
CC is then subject to nucleophilic attack by the substrate lysine,
CC resulting in an isopeptide bond and the release of phosphate as a good
CC leaving group. {ECO:0000255|HAMAP-Rule:MF_02111}.
CC -!- SIMILARITY: Belongs to the Pup ligase/Pup deamidase family. Pup-
CC conjugating enzyme subfamily. {ECO:0000255|HAMAP-Rule:MF_02111}.
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DR EMBL; CP001630; ACU36187.1; -; Genomic_DNA.
DR RefSeq; WP_015801076.1; NC_013093.1.
DR AlphaFoldDB; C6WIE4; -.
DR SMR; C6WIE4; -.
DR STRING; 446462.Amir_2247; -.
DR MEROPS; U72.001; -.
DR EnsemblBacteria; ACU36187; ACU36187; Amir_2247.
DR KEGG; ami:Amir_2247; -.
DR eggNOG; COG0638; Bacteria.
DR HOGENOM; CLU_040524_0_1_11; -.
DR OMA; CVSQRAE; -.
DR OrthoDB; 537546at2; -.
DR UniPathway; UPA00997; -.
DR UniPathway; UPA00998; -.
DR Proteomes; UP000002213; Chromosome.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0016879; F:ligase activity, forming carbon-nitrogen bonds; IEA:InterPro.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0019787; F:ubiquitin-like protein transferase activity; 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_02111; Pup_ligase; 1.
DR InterPro; IPR022279; Pup_ligase.
DR InterPro; IPR004347; Pup_ligase/deamidase.
DR PANTHER; PTHR42307; PTHR42307; 1.
DR Pfam; PF03136; Pup_ligase; 1.
DR PIRSF; PIRSF018077; UCP018077; 1.
DR TIGRFAMs; TIGR03686; pupylate_PafA; 1.
PE 3: Inferred from homology;
KW ATP-binding; Ligase; Magnesium; Metal-binding; Nucleotide-binding;
KW Reference proteome; Ubl conjugation pathway.
FT CHAIN 1..452
FT /note="Pup--protein ligase"
FT /id="PRO_0000395891"
FT ACT_SITE 57
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_02111"
FT BINDING 9
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_02111"
FT BINDING 53
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_02111"
FT BINDING 55
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_02111"
FT BINDING 63
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_02111"
FT BINDING 66
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_02111"
FT BINDING 419
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_02111"
SQ SEQUENCE 452 AA; 51144 MW; B3D3D861D86BCC59 CRC64;
MQRRIFGIET EFGVTCTFHG QRRLSPDEVA RYLFRRVVSW GRSSNVFLRN GSRLYLDVGS
HPEYATAECD DLAQLVSHDK AGERILEDLL VDAERRLADE GIGGDIFLFK NNTDSAGNSY
GCHENYLVAR AGEFSRIADV LLPFLVTRQL ICGAGKVLQT PRGAVYCLSQ RAEHIWEGVS
SATTRSRPII NTRDEPHADA ERYRRLHVIV GDSNMSEVTT LLKVGSANLV LEMIEQGVQF
RDFSLDNPIR AIREISHDLT GRRTVKLAGG KEASALDIQR EYYERAVEHV AKRSPDPMAE
RVLELWGRTL DAIAAQDLSK IDREIDWAIK HRLLERYQAK HDMDLSNPRI AQLDLAYHDI
RRGRGVFDLL QRKGQVERVT DDGEIEAAKD TPPQTTRAKL RGDFIAAAQA AGRDFTVDWV
HLKLNDQAQR TVLCKDPFRA VDERVERLIA SL
