ID A0A1Z4RCE5_9CYAN Unreviewed; 74 AA.
AC A0A1Z4RCE5;
DT 27-SEP-2017, integrated into UniProtKB/TrEMBL.
DT 27-SEP-2017, sequence version 1.
DT 24-JAN-2024, entry version 25.
DE RecName: Full=Exodeoxyribonuclease 7 small subunit {ECO:0000256|HAMAP-Rule:MF_00337};
DE EC=3.1.11.6 {ECO:0000256|HAMAP-Rule:MF_00337};
DE AltName: Full=Exodeoxyribonuclease VII small subunit {ECO:0000256|HAMAP-Rule:MF_00337};
DE Short=Exonuclease VII small subunit {ECO:0000256|HAMAP-Rule:MF_00337};
GN Name=xseB {ECO:0000256|HAMAP-Rule:MF_00337};
GN ORFNames=NIES4101_60910 {ECO:0000313|EMBL:BAZ40130.1};
OS Calothrix sp. NIES-4101.
OC Bacteria; Cyanobacteriota; Cyanophyceae; Nostocales; Calotrichaceae;
OC Calothrix.
OX NCBI_TaxID=2005461 {ECO:0000313|EMBL:BAZ40130.1, ECO:0000313|Proteomes:UP000290974};
RN [1] {ECO:0000313|EMBL:BAZ40130.1, ECO:0000313|Proteomes:UP000290974}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NIES-4101 {ECO:0000313|EMBL:BAZ40130.1,
RC ECO:0000313|Proteomes:UP000290974};
RA Hirose Y., Shimura Y., Fujisawa T., Nakamura Y., Kawachi M.;
RT "Genome sequencing of cyanobaciteial culture collection at National
RT Institute for Environmental Studies (NIES).";
RL Submitted (JUN-2017) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Bidirectionally degrades single-stranded DNA into large acid-
CC insoluble oligonucleotides, which are then degraded further into small
CC acid-soluble oligonucleotides. {ECO:0000256|HAMAP-Rule:MF_00337}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Exonucleolytic cleavage in either 5'- to 3'- or 3'- to 5'-
CC direction to yield nucleoside 5'-phosphates.; EC=3.1.11.6;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00337};
CC -!- SUBUNIT: Heterooligomer composed of large and small subunits.
CC {ECO:0000256|HAMAP-Rule:MF_00337}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00337}.
CC -!- SIMILARITY: Belongs to the XseB family. {ECO:0000256|ARBA:ARBA00009998,
CC ECO:0000256|HAMAP-Rule:MF_00337}.
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DR EMBL; AP018280; BAZ40130.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1Z4RCE5; -.
DR Proteomes; UP000290974; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0009318; C:exodeoxyribonuclease VII complex; IEA:InterPro.
DR GO; GO:0008855; F:exodeoxyribonuclease VII activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006308; P:DNA catabolic process; IEA:UniProtKB-UniRule.
DR Gene3D; 1.10.287.1040; Exonuclease VII, small subunit; 1.
DR HAMAP; MF_00337; Exonuc_7_S; 1.
DR InterPro; IPR003761; Exonuc_VII_S.
DR InterPro; IPR037004; Exonuc_VII_ssu_sf.
DR NCBIfam; TIGR01280; xseB; 1.
DR Pfam; PF02609; Exonuc_VII_S; 1.
DR PIRSF; PIRSF006488; Exonuc_VII_S; 1.
DR SUPFAM; SSF116842; XseB-like; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00337};
KW Exonuclease {ECO:0000256|ARBA:ARBA00022839, ECO:0000256|HAMAP-
KW Rule:MF_00337}; Hydrolase {ECO:0000256|HAMAP-Rule:MF_00337};
KW Nuclease {ECO:0000256|HAMAP-Rule:MF_00337};
KW Reference proteome {ECO:0000313|Proteomes:UP000290974}.
SQ SEQUENCE 74 AA; 8431 MW; 4CCAF71D431CA370 CRC64;
MVKGKAGKKE GTWSYEGKVR EIEEIIAKIE GGDLDLAEVF EQFATAVEGL KECDRFLQER
QQQVDLLIET LQDE
//