ID A0A2S1FWX0_9FLOR Unreviewed; 638 AA. AC A0A2S1FWX0; DT 18-JUL-2018, integrated into UniProtKB/TrEMBL. DT 18-JUL-2018, sequence version 1. DT 02-OCT-2024, entry version 21. DE RecName: Full=DNA 5'-3' helicase {ECO:0000256|ARBA:ARBA00044969}; DE EC=5.6.2.3 {ECO:0000256|ARBA:ARBA00044969}; DE AltName: Full=DNA 5'-3' helicase DnaB {ECO:0000256|ARBA:ARBA00045002}; GN Name=dnaB {ECO:0000313|EMBL:AWD77265.1}; GN ORFNames=Grafi_p110 {ECO:0000313|EMBL:AWD77265.1}; OS Grateloupia filicina. OG Plastid; Chloroplast {ECO:0000313|EMBL:AWD77265.1}. OC Eukaryota; Rhodophyta; Florideophyceae; Rhodymeniophycidae; Halymeniales; OC Halymeniaceae; Grateloupia. OX NCBI_TaxID=31455 {ECO:0000313|EMBL:AWD77265.1}; RN [1] {ECO:0000313|EMBL:AWD77265.1} RP NUCLEOTIDE SEQUENCE. RA Liu T., Liu C., Li Y.; RT "Complete Sequences of the chloroplast DNA of the Grateloupia filicina."; RL Submitted (DEC-2017) to the EMBL/GenBank/DDBJ databases. CC -!- FUNCTION: The intein is an endonuclease. CC {ECO:0000256|ARBA:ARBA00044940}. 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=5.6.2.3; CC Evidence={ECO:0000256|ARBA:ARBA00044904}; CC -!- CATALYTIC ACTIVITY: CC Reaction=Couples ATP hydrolysis with the unwinding of duplex DNA at the CC replication fork by translocating in the 5'-3' direction. This CC creates two antiparallel DNA single strands (ssDNA). The leading CC ssDNA polymer is the template for DNA polymerase III holoenzyme which CC synthesizes a continuous strand.; EC=5.6.2.3; CC Evidence={ECO:0000256|ARBA:ARBA00044875}; CC -!- SIMILARITY: Belongs to the helicase family. DnaB subfamily. CC {ECO:0000256|ARBA:ARBA00008428}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; MG598531; AWD77265.1; -; Genomic_DNA. DR AlphaFoldDB; A0A2S1FWX0; -. DR GO; GO:0009507; C:chloroplast; IEA:UniProtKB-KW. DR GO; GO:0005829; C:cytosol; IEA:TreeGrafter. DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW. DR GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW. DR GO; GO:0003678; F:DNA helicase activity; IEA:InterPro. DR GO; GO:0016787; F:hydrolase activity; IEA:UniProtKB-KW. DR GO; GO:0006268; P:DNA unwinding involved in DNA replication; IEA:TreeGrafter. DR CDD; cd00081; Hint; 1. DR Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 2. DR InterPro; IPR036185; DNA_heli_DnaB-like_N_sf. DR InterPro; IPR007694; DNA_helicase_DnaB-like_C. DR InterPro; IPR007693; DNA_helicase_DnaB-like_N. DR InterPro; IPR016136; DNA_helicase_N/primase_C. DR InterPro; IPR003586; Hint_dom_C. DR InterPro; IPR036844; Hint_dom_sf. DR InterPro; IPR030934; Intein_C. DR InterPro; IPR027417; P-loop_NTPase. DR NCBIfam; TIGR01443; intein_Cterm; 1. DR PANTHER; PTHR30153:SF2; REPLICATIVE DNA HELICASE; 1. DR PANTHER; PTHR30153; REPLICATIVE DNA HELICASE DNAB; 1. DR Pfam; PF00772; DnaB; 1. DR Pfam; PF03796; DnaB_C; 1. DR SMART; SM00305; HintC; 1. DR SUPFAM; SSF51294; Hedgehog/intein (Hint) domain; 1. DR SUPFAM; SSF48024; N-terminal domain of DnaB helicase; 1. DR SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 1. DR PROSITE; PS50818; INTEIN_C_TER; 1. DR PROSITE; PS51199; SF4_HELICASE; 1. PE 3: Inferred from homology; KW ATP-binding {ECO:0000256|ARBA:ARBA00022840}; KW Chloroplast {ECO:0000313|EMBL:AWD77265.1}; KW DNA replication {ECO:0000256|ARBA:ARBA00022705}; KW DNA-binding {ECO:0000256|ARBA:ARBA00023125}; KW Helicase {ECO:0000313|EMBL:AWD77265.1}; KW Hydrolase {ECO:0000256|ARBA:ARBA00022801}; KW Isomerase {ECO:0000256|ARBA:ARBA00023235}; KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741}; KW Plastid {ECO:0000313|EMBL:AWD77265.1}. FT DOMAIN 212..418 FT /note="SF4 helicase" FT /evidence="ECO:0000259|PROSITE:PS51199" FT DOMAIN 547..569 FT /note="Intein C-terminal splicing" FT /evidence="ECO:0000259|PROSITE:PS50818" SQ SEQUENCE 638 AA; 74396 MW; FE0AEB9F3084AD66 CRC64; MTNIHEFLHY KFNIKRIQWS LNIVHFYLFP PQNYLAEEIL LGTILIHPSI FPQITPIIKE DSFFLECHQI IYKNLITIHR KNKLDIIQLL YCLSDKKALN TIGGINKIIE LMKQSQVFMS SNNIIIYTKE LVDIINNDYI KRLIIQYGYN VISLAYIKKF PSHQLYNQVT NQLNTTADKI PKENMHNFKT LIGDFLLSLH KTDIDSTLIR QTNNDKYCLI SGFEELDKLT NGLPNGDLIV IAGRPSTGKT SLAINIVYNI ITEINIGVCI FSLEMSKMQI LQKLISIAST IPTKQIILNQ INNGEWKNIK TICKKLLSSK VYLNDTPNMS VDYIEYTTKL LKKETKYVEI IIIDYLQLIQ TEEISCENRS QELSYITRKL KLLAQNLNVP IIILSQLNRS IETRINKQPL LSDLRESGCL NTSILMNSDS INHLNVTNIF PPNKIKQDIQ IVQINHVNDQ YNILIKKQKL IDYKPIHILL QYIFKIYINT YNCLEITQNH KLYSKQKWTK QNYIIEKEKV LQQSTVYRKK ILENCYIKNL SYFKYSTVYD IKVDDYSNFI AHNIILHNSI EQDADLVMIL KEQNKQENLT LKVIDIFLCK NRNGPTGCCQ ILFSLENTSF TNLQSKQLSS VFNEDNFM //