ID   EX7S_BORPE              Reviewed;          88 AA.
AC   Q7VV85;
DT   07-JUN-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   25-MAY-2022, entry version 99.
DE   RecName: Full=Exodeoxyribonuclease 7 small subunit {ECO:0000255|HAMAP-Rule:MF_00337};
DE            EC=3.1.11.6 {ECO:0000255|HAMAP-Rule:MF_00337};
DE   AltName: Full=Exodeoxyribonuclease VII small subunit {ECO:0000255|HAMAP-Rule:MF_00337};
DE            Short=Exonuclease VII small subunit {ECO:0000255|HAMAP-Rule:MF_00337};
GN   Name=xseB {ECO:0000255|HAMAP-Rule:MF_00337}; OrderedLocusNames=BP2800;
OS   Bordetella pertussis (strain Tohama I / ATCC BAA-589 / NCTC 13251).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Alcaligenaceae; Bordetella.
OX   NCBI_TaxID=257313;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Tohama I / ATCC BAA-589 / NCTC 13251;
RX   PubMed=12910271; DOI=10.1038/ng1227;
RA   Parkhill J., Sebaihia M., Preston A., Murphy L.D., Thomson N.R.,
RA   Harris D.E., Holden M.T.G., Churcher C.M., Bentley S.D., Mungall K.L.,
RA   Cerdeno-Tarraga A.-M., Temple L., James K.D., Harris B., Quail M.A.,
RA   Achtman M., Atkin R., Baker S., Basham D., Bason N., Cherevach I.,
RA   Chillingworth T., Collins M., Cronin A., Davis P., Doggett J., Feltwell T.,
RA   Goble A., Hamlin N., Hauser H., Holroyd S., Jagels K., Leather S.,
RA   Moule S., Norberczak H., O'Neil S., Ormond D., Price C., Rabbinowitsch E.,
RA   Rutter S., Sanders M., Saunders D., Seeger K., Sharp S., Simmonds M.,
RA   Skelton J., Squares R., Squares S., Stevens K., Unwin L., Whitehead S.,
RA   Barrell B.G., Maskell D.J.;
RT   "Comparative analysis of the genome sequences of Bordetella pertussis,
RT   Bordetella parapertussis and Bordetella bronchiseptica.";
RL   Nat. Genet. 35:32-40(2003).
RN   [2] {ECO:0007744|PDB:1VP7}
RP   X-RAY CRYSTALLOGRAPHY (2.40 ANGSTROMS).
RG   Joint Center For Structural Genomics (Jcsg);
RT   "Crystal structure of Exodeoxyribonuclease VII small subunit E.C.3.1.11.6
RT   (NP_881400.1) from Bordetella pertussis at 2.40 A resolution.";
RL   Submitted (OCT-2004) to the PDB data bank.
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:0000255|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:0000255|HAMAP-Rule:MF_00337};
CC   -!- SUBUNIT: Heterooligomer composed of large and small subunits.
CC       {ECO:0000255|HAMAP-Rule:MF_00337}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00337}.
CC   -!- SIMILARITY: Belongs to the XseB family. {ECO:0000255|HAMAP-
CC       Rule:MF_00337}.
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DR   EMBL; BX640419; CAE43073.1; -; Genomic_DNA.
DR   RefSeq; NP_881400.1; NC_002929.2.
DR   RefSeq; WP_003813109.1; NZ_CP039022.1.
DR   PDB; 1VP7; X-ray; 2.40 A; A/B/C/D/E/F=1-88.
DR   PDBsum; 1VP7; -.
DR   AlphaFoldDB; Q7VV85; -.
DR   SMR; Q7VV85; -.
DR   STRING; 257313.BP2800; -.
DR   GeneID; 56478070; -.
DR   GeneID; 66438149; -.
DR   KEGG; bpe:BP2800; -.
DR   PATRIC; fig|257313.5.peg.3020; -.
DR   eggNOG; COG1722; Bacteria.
DR   HOGENOM; CLU_145918_2_0_4; -.
DR   OMA; GDMLKPF; -.
DR   EvolutionaryTrace; Q7VV85; -.
DR   Proteomes; UP000002676; 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; -; 1.
DR   HAMAP; MF_00337; Exonuc_7_S; 1.
DR   InterPro; IPR003761; Exonuc_VII_S.
DR   InterPro; IPR037004; Exonuc_VII_ssu_sf.
DR   PANTHER; PTHR34137; PTHR34137; 1.
DR   Pfam; PF02609; Exonuc_VII_S; 1.
DR   PIRSF; PIRSF006488; Exonuc_VII_S; 1.
DR   SUPFAM; SSF116842; SSF116842; 1.
DR   TIGRFAMs; TIGR01280; xseB; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Cytoplasm; Exonuclease; Hydrolase; Nuclease;
KW   Reference proteome.
FT   CHAIN           1..88
FT                   /note="Exodeoxyribonuclease 7 small subunit"
FT                   /id="PRO_0000206927"
FT   HELIX           20..35
FT                   /evidence="ECO:0007829|PDB:1VP7"
FT   HELIX           41..77
FT                   /evidence="ECO:0007829|PDB:1VP7"
SQ   SEQUENCE   88 AA;  9622 MW;  0E5DD9BCF0DF9D49 CRC64;
     MASSKQADPQ TDARPLPQDF ETALAELESL VSAMENGTLP LEQSLSAYRR GVELARVCQD
     RLAQAEQQVK VLEGDLLRPL DPAALDDE