ID A0A091BTT1_9ENTE Unreviewed; 274 AA.
AC A0A091BTT1;
DT 26-NOV-2014, integrated into UniProtKB/TrEMBL.
DT 26-NOV-2014, sequence version 1.
DT 24-JAN-2024, entry version 31.
DE RecName: Full=CRISPR-associated endonuclease Cas1 {ECO:0000256|HAMAP-Rule:MF_01470};
DE EC=3.1.-.- {ECO:0000256|HAMAP-Rule:MF_01470};
GN Name=cas1 {ECO:0000256|HAMAP-Rule:MF_01470};
GN ORFNames=TMU3MR103_2230 {ECO:0000313|EMBL:KFN89066.1};
OS Tetragenococcus muriaticus 3MR10-3.
OC Bacteria; Bacillota; Bacilli; Lactobacillales; Enterococcaceae;
OC Tetragenococcus.
OX NCBI_TaxID=1302648 {ECO:0000313|EMBL:KFN89066.1, ECO:0000313|Proteomes:UP000029381};
RN [1] {ECO:0000313|EMBL:KFN89066.1, ECO:0000313|Proteomes:UP000029381}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=3MR10-3 {ECO:0000313|EMBL:KFN89066.1,
RC ECO:0000313|Proteomes:UP000029381};
RA Chuea-nongthon C., Rodtong S., Yongsawatdigul J., Steele J.L., Liu X.-y.,
RA Speers J., Glasner J.D., Neeno-Eckwall E.C.;
RT "Genome sequence of Tetragenococcus muriaticus.";
RL Submitted (AUG-2014) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: CRISPR (clustered regularly interspaced short palindromic
CC repeat), is an adaptive immune system that provides protection against
CC mobile genetic elements (viruses, transposable elements and conjugative
CC plasmids). CRISPR clusters contain spacers, sequences complementary to
CC antecedent mobile elements, and target invading nucleic acids. CRISPR
CC clusters are transcribed and processed into CRISPR RNA (crRNA). Acts as
CC a dsDNA endonuclease. Involved in the integration of spacer DNA into
CC the CRISPR cassette. {ECO:0000256|HAMAP-Rule:MF_01470}.
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01470};
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01470};
CC -!- SUBUNIT: Homodimer, forms a heterotetramer with a Cas2 homodimer.
CC {ECO:0000256|HAMAP-Rule:MF_01470}.
CC -!- SIMILARITY: Belongs to the CRISPR-associated endonuclease Cas1 family.
CC {ECO:0000256|HAMAP-Rule:MF_01470}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KFN89066.1}.
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DR EMBL; JPVT01000246; KFN89066.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A091BTT1; -.
DR PATRIC; fig|1302648.3.peg.2183; -.
DR Proteomes; UP000029381; Unassembled WGS sequence.
DR GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR GO; GO:0004520; F:DNA endonuclease activity; IEA:InterPro.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0051607; P:defense response to virus; IEA:UniProtKB-UniRule.
DR GO; GO:0043571; P:maintenance of CRISPR repeat elements; IEA:UniProtKB-UniRule.
DR CDD; cd09719; Cas1_I-E; 1.
DR Gene3D; 1.20.120.920; CRISPR-associated endonuclease Cas1, C-terminal domain; 1.
DR Gene3D; 3.100.10.20; CRISPR-associated endonuclease Cas1, N-terminal domain; 1.
DR HAMAP; MF_01470; Cas1; 1.
DR InterPro; IPR033641; Cas1_I-E.
DR InterPro; IPR002729; CRISPR-assoc_Cas1.
DR InterPro; IPR042206; CRISPR-assoc_Cas1_C.
DR InterPro; IPR019851; CRISPR-assoc_Cas1_ECOLI.
DR InterPro; IPR042211; CRISPR-assoc_Cas1_N.
DR NCBIfam; TIGR00287; cas1; 1.
DR NCBIfam; TIGR03638; cas1_ECOLI; 1.
DR PANTHER; PTHR34353:SF3; CRISPR-ASSOCIATED ENDONUCLEASE CAS1; 1.
DR PANTHER; PTHR34353; CRISPR-ASSOCIATED ENDONUCLEASE CAS1 1; 1.
DR Pfam; PF01867; Cas_Cas1; 1.
PE 3: Inferred from homology;
KW Antiviral defense {ECO:0000256|ARBA:ARBA00023118, ECO:0000256|HAMAP-
KW Rule:MF_01470};
KW DNA-binding {ECO:0000256|ARBA:ARBA00023125, ECO:0000256|HAMAP-
KW Rule:MF_01470};
KW Endonuclease {ECO:0000256|ARBA:ARBA00022759, ECO:0000256|HAMAP-
KW Rule:MF_01470};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|HAMAP-Rule:MF_01470};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|HAMAP-Rule:MF_01470};
KW Manganese {ECO:0000256|HAMAP-Rule:MF_01470};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_01470};
KW Nuclease {ECO:0000256|ARBA:ARBA00022722, ECO:0000256|HAMAP-Rule:MF_01470};
KW Reference proteome {ECO:0000313|Proteomes:UP000029381}.
FT BINDING 107
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01470"
FT BINDING 174
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01470"
FT BINDING 187
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01470"
SQ SEQUENCE 274 AA; 30854 MW; D003D0FF362FA98C CRC64;
MLDSKGIVRI PASMVGVLLL GPGTDVSHRA IELIGDTGTS MVWVGERGVR HYAHGRALAH
SSRLLERQAN LVSNTRSRLS VARKMYQMRF PNEDVSNLTM QQLRGREGAR VREVYRKQSK
LHNVEWTKRE YNPDDFEAGT PVNQALSAGH VSLYGLVYSI IVALGMSPGL GFVHTGHDLS
FVYDIADLYK ADLTIPIAFE IAGESLPDED IGRKTRLRVR DAFVDGKIMK TIVKDLQYLM
DVEAEEEMFI DVINLWDDKE ELVKHGVNYE EVPQ
//
