ID S6DFC9_9GEMI Unreviewed; 254 AA.
AC S6DFC9;
DT 16-OCT-2013, integrated into UniProtKB/TrEMBL.
DT 16-OCT-2013, sequence version 1.
DT 08-NOV-2023, entry version 28.
DE RecName: Full=Replication-associated protein {ECO:0000256|RuleBase:RU361249};
DE Short=Rep {ECO:0000256|RuleBase:RU361249};
DE EC=3.1.21.- {ECO:0000256|RuleBase:RU361249};
GN Name=C1 {ECO:0000313|EMBL:CCV02856.1};
OS Alfalfa leaf curl virus.
OC Viruses; Monodnaviria; Shotokuvirae; Cressdnaviricota; Repensiviricetes;
OC Geplafuvirales; Geminiviridae; Capulavirus.
OX NCBI_TaxID=1306546 {ECO:0000313|EMBL:CCV02856.1};
RN [1] {ECO:0000313|EMBL:CCV02856.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=Lap11 {ECO:0000313|EMBL:CCV02856.1};
RX PubMed=23886668; DOI=10.1016/j.virusres.2013.07.006;
RA Bernardo P., Golden M., Akram M., Naimuddin A., Nadarajan N., Fernandez E.,
RA Granier M., Rebelo A.G., Peterschmitt M., Martin D.P., Roumagnac P.;
RT "Identification and characterisation of a highly divergent geminivirus:
RT Evolutionary and taxonomic implications.";
RL Virus Res. 177:35-45(2013).
CC -!- FUNCTION: Essential for the replication of viral ssDNA. The closed
CC circular ssDNA genome is first converted to a superhelical dsDNA. Rep
CC binds a specific region at the genome origin of replication. It
CC introduces an endonucleolytic nick within the conserved sequence 5'-
CC TAATATTAC-3' in the intergenic region of the genome present in all
CC geminiviruses, thereby initiating the rolling circle replication (RCR).
CC Following cleavage, binds covalently to the 5'-phosphate of DNA as a
CC tyrosyl ester. The cleavage gives rise to a free 3'-OH that serves as a
CC primer for the cellular DNA polymerase. The polymerase synthesizes the
CC (+) strand DNA by rolling circle mechanism. After one round of
CC replication, a Rep-catalyzed nucleotidyl transfer reaction releases a
CC circular single-stranded virus genome, thereby terminating the
CC replication. Displays origin-specific DNA cleavage, nucleotidyl
CC transferase, ATPase and helicase activities.
CC {ECO:0000256|RuleBase:RU361249}.
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|PIRSR:PIRSR601191-2};
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|PIRSR:PIRSR601191-2};
CC Note=Divalent metal cations, possibly Mg(2+) or Mn(2+).
CC {ECO:0000256|PIRSR:PIRSR601191-2};
CC -!- COFACTOR:
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|RuleBase:RU361249};
CC -!- SUBUNIT: Homooligomer. {ECO:0000256|RuleBase:RU361249}.
CC -!- SUBCELLULAR LOCATION: Host nucleus {ECO:0000256|ARBA:ARBA00004147,
CC ECO:0000256|RuleBase:RU361249}. Nucleus
CC {ECO:0000256|ARBA:ARBA00004123}.
CC -!- DOMAIN: There are 3 rolling circle replication (RCR) motifs. RCR-2 is
CC probably involved in metal coordination. RCR-3 is required for
CC phosphodiester bond cleavage for initiation of RCR.
CC {ECO:0000256|RuleBase:RU361249}.
CC -!- SIMILARITY: Belongs to the geminiviridae Rep protein family.
CC {ECO:0000256|ARBA:ARBA00006240, ECO:0000256|RuleBase:RU361249}.
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DR EMBL; HF921477; CCV02856.1; -; Genomic_DNA.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR GO; GO:0016888; F:endodeoxyribonuclease activity, producing 5'-phosphomonoesters; IEA:InterPro.
DR GO; GO:0004386; F:helicase activity; IEA:UniProtKB-KW.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0016779; F:nucleotidyltransferase activity; IEA:UniProtKB-KW.
DR GO; GO:0005198; F:structural molecule activity; IEA:InterPro.
DR GO; GO:0006260; P:DNA replication; IEA:UniProtKB-KW.
DR Gene3D; 3.40.1310.20; -; 1.
DR InterPro; IPR001301; Gemini_AL1_CLV.
DR InterPro; IPR001191; Gemini_AL1_REP.
DR InterPro; IPR022690; Gemini_AL1_REP_cat-dom.
DR InterPro; IPR022692; Gemini_AL1_REP_central.
DR Pfam; PF00799; Gemini_AL1; 1.
DR Pfam; PF08283; Gemini_AL1_M; 1.
DR PRINTS; PR00227; GEMCOATAL1.
DR PRINTS; PR00228; GEMCOATCLVL1.
DR SUPFAM; SSF55464; Origin of replication-binding domain, RBD-like; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|RuleBase:RU361249};
KW Covalent protein-DNA linkage {ECO:0000256|ARBA:ARBA00023124,
KW ECO:0000256|RuleBase:RU361249};
KW DNA replication {ECO:0000256|ARBA:ARBA00022705};
KW DNA-binding {ECO:0000256|ARBA:ARBA00023125, ECO:0000256|RuleBase:RU361249};
KW Endonuclease {ECO:0000256|ARBA:ARBA00022759,
KW ECO:0000256|RuleBase:RU361249}; Helicase {ECO:0000256|RuleBase:RU361249};
KW Host nucleus {ECO:0000256|ARBA:ARBA00022562,
KW ECO:0000256|RuleBase:RU361249};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|RuleBase:RU361249};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRSR:PIRSR601191-2};
KW Multifunctional enzyme {ECO:0000256|RuleBase:RU361249};
KW Nuclease {ECO:0000256|ARBA:ARBA00022722, ECO:0000256|RuleBase:RU361249};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741,
KW ECO:0000256|RuleBase:RU361249};
KW Nucleotidyltransferase {ECO:0000256|ARBA:ARBA00022695,
KW ECO:0000256|RuleBase:RU361249};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU361249}.
FT DOMAIN 9..118
FT /note="Geminivirus AL1 replication-associated protein
FT catalytic"
FT /evidence="ECO:0000259|Pfam:PF00799"
FT DOMAIN 126..212
FT /note="Geminivirus AL1 replication-associated protein
FT central"
FT /evidence="ECO:0000259|Pfam:PF08283"
FT ACT_SITE 105
FT /note="For DNA cleavage activity"
FT /evidence="ECO:0000256|PIRSR:PIRSR601191-1"
FT BINDING 51
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000256|PIRSR:PIRSR601191-2"
FT BINDING 59
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000256|PIRSR:PIRSR601191-2"
FT BINDING 61
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000256|PIRSR:PIRSR601191-2"
SQ SEQUENCE 254 AA; 29356 MW; 7FFAB120D7520672 CRC64;
MPRQPNSTFR LQGKSIFLTY PKCPLLPIFV IDYLYQLLNN FNPTYARVCT ENHQDGEPHL
HCLVQMDKRF NTTNQRFFDV KDPNGVATYH PNCQVPRRDA DVADYIAKGG QFDERGILRA
SRRSPKKTRD SIWAAILTES TSKSEFLARV QHEQPYVWAT QLRNLEYAAN SKWPEPITVF
EPRYVNFPRI PEPIRQWAET NLFTVSAHAI QLLGADLTID DLRWAHNLTT EFINDELINN
IDIPIIINDS GPDA
//