ID   CSHA_STAES              Reviewed;         509 AA.
AC   Q8CRP6;
DT   17-APR-2007, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2003, sequence version 1.
DT   03-AUG-2022, entry version 121.
DE   RecName: Full=DEAD-box ATP-dependent RNA helicase CshA {ECO:0000255|HAMAP-Rule:MF_01493};
DE            EC=3.6.4.13 {ECO:0000255|HAMAP-Rule:MF_01493};
GN   Name=cshA {ECO:0000255|HAMAP-Rule:MF_01493}; OrderedLocusNames=SE_1679;
OS   Staphylococcus epidermidis (strain ATCC 12228 / FDA PCI 1200).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=176280;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 12228 / FDA PCI 1200;
RX   PubMed=12950922; DOI=10.1046/j.1365-2958.2003.03671.x;
RA   Zhang Y.-Q., Ren S.-X., Li H.-L., Wang Y.-X., Fu G., Yang J., Qin Z.-Q.,
RA   Miao Y.-G., Wang W.-Y., Chen R.-S., Shen Y., Chen Z., Yuan Z.-H.,
RA   Zhao G.-P., Qu D., Danchin A., Wen Y.-M.;
RT   "Genome-based analysis of virulence genes in a non-biofilm-forming
RT   Staphylococcus epidermidis strain (ATCC 12228).";
RL   Mol. Microbiol. 49:1577-1593(2003).
CC   -!- FUNCTION: DEAD-box RNA helicase possibly involved in RNA degradation.
CC       Unwinds dsRNA in both 5'- and 3'-directions, has RNA-dependent ATPase
CC       activity. {ECO:0000255|HAMAP-Rule:MF_01493}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + H2O = ADP + H(+) + phosphate; Xref=Rhea:RHEA:13065,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:43474, ChEBI:CHEBI:456216; EC=3.6.4.13;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01493};
CC   -!- SUBUNIT: Oligomerizes, may be a member of the RNA degradosome.
CC       {ECO:0000255|HAMAP-Rule:MF_01493}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01493}.
CC   -!- SIMILARITY: Belongs to the DEAD box helicase family. CshA subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_01493}.
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DR   EMBL; AE015929; AAO05278.1; -; Genomic_DNA.
DR   RefSeq; NP_765234.1; NC_004461.1.
DR   RefSeq; WP_002485310.1; NZ_WBME01000021.1.
DR   AlphaFoldDB; Q8CRP6; -.
DR   SMR; Q8CRP6; -.
DR   STRING; 176280.SE_1679; -.
DR   EnsemblBacteria; AAO05278; AAO05278; SE_1679.
DR   KEGG; sep:SE_1679; -.
DR   PATRIC; fig|176280.10.peg.1640; -.
DR   eggNOG; COG0513; Bacteria.
DR   HOGENOM; CLU_003041_21_0_9; -.
DR   OMA; EHKDGQR; -.
DR   Proteomes; UP000001411; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0016887; F:ATP hydrolysis activity; IEA:RHEA.
DR   GO; GO:0003723; F:RNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0003724; F:RNA helicase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006401; P:RNA catabolic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0010501; P:RNA secondary structure unwinding; IEA:InterPro.
DR   Gene3D; 3.40.50.300; -; 2.
DR   HAMAP; MF_01493; DEAD_helicase_CshA; 1.
DR   InterPro; IPR011545; DEAD/DEAH_box_helicase_dom.
DR   InterPro; IPR030880; DEAD_helicase_CshA.
DR   InterPro; IPR014001; Helicase_ATP-bd.
DR   InterPro; IPR001650; Helicase_C.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   InterPro; IPR000629; RNA-helicase_DEAD-box_CS.
DR   InterPro; IPR014014; RNA_helicase_DEAD_Q_motif.
DR   Pfam; PF00270; DEAD; 1.
DR   Pfam; PF00271; Helicase_C; 1.
DR   SMART; SM00487; DEXDc; 1.
DR   SMART; SM00490; HELICc; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   PROSITE; PS00039; DEAD_ATP_HELICASE; 1.
DR   PROSITE; PS51192; HELICASE_ATP_BIND_1; 1.
DR   PROSITE; PS51194; HELICASE_CTER; 1.
DR   PROSITE; PS51195; Q_MOTIF; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Cytoplasm; Helicase; Hydrolase; Nucleotide-binding;
KW   RNA-binding; Stress response.
FT   CHAIN           1..509
FT                   /note="DEAD-box ATP-dependent RNA helicase CshA"
FT                   /id="PRO_0000284827"
FT   DOMAIN          33..203
FT                   /note="Helicase ATP-binding"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01493"
FT   DOMAIN          214..375
FT                   /note="Helicase C-terminal"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01493"
FT   REGION          440..509
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   MOTIF           2..30
FT                   /note="Q motif"
FT   MOTIF           150..153
FT                   /note="DEAD box"
FT   COMPBIAS        456..470
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        471..486
FT                   /note="Basic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         46..53
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01493"
SQ   SEQUENCE   509 AA;  57880 MW;  48D3A8DDC34329D2 CRC64;
     MQNFKELGIS DKTVQTLEAM GFKEPTPIQK DSIPYALEGD DILGQAQTGT GKTGAFGIPL
     IEKVVGQQGV QSLILAPTRE LAMQVAEQLR EFSKGQKVQV VTVFGGMPIE RQIKVLKRGP
     QIVVGTPGRV IDHLNRRTLK TQGIHTLILD EADEMMNMGF IDDMRFIMDK IPAEQRQTML
     FSATMPKAIQ ELVQQFMKAP KIIKTMNNEM SDPQIDEYYT IVKELEKFDT FTNFLDVHQP
     ELAIVFGRTK RRVDELTSAL LSKGYKAEGL HGDITQAKRL EVLKKFKNDQ IDILVATDVA
     ARGLDISGVS HVYNFDIPQD TESYTHRIGR TGRAGKEGIA VTFVNPIEMD YIRQIEDVNN
     RRMKALRPPH RKEVLKARED DIKDRVQNWM SRENEPRLQR ISSELLKEYD STELVASLLQ
     ELVEANDEVE VQLTFEKPLA RKNRSSKGGS RRSNHKRGNG KFDNKNRRSK GSKGQSSKKK
     NQKKFDRRDK QQKSGNQSLK GRTFADHQK