ID   A0A101QXP5_9ACTN        Unreviewed;       124 AA.
AC   A0A101QXP5;
DT   13-APR-2016, integrated into UniProtKB/TrEMBL.
DT   13-APR-2016, sequence version 1.
DT   24-JAN-2024, entry version 20.
DE   RecName: Full=L-ectoine synthase {ECO:0000256|ARBA:ARBA00019707};
DE            EC=4.2.1.108 {ECO:0000256|ARBA:ARBA00013192};
DE   AltName: Full=N-acetyldiaminobutyrate dehydratase {ECO:0000256|ARBA:ARBA00033271};
GN   ORFNames=AQJ30_14110 {ECO:0000313|EMBL:KUN38010.1};
OS   Streptomyces longwoodensis.
OC   Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC   Streptomycetaceae; Streptomyces.
OX   NCBI_TaxID=68231 {ECO:0000313|EMBL:KUN38010.1, ECO:0000313|Proteomes:UP000053271};
RN   [1] {ECO:0000313|EMBL:KUN38010.1, ECO:0000313|Proteomes:UP000053271}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 41677 {ECO:0000313|EMBL:KUN38010.1,
RC   ECO:0000313|Proteomes:UP000053271};
RA   Ruckert C., Winkler A., Kalinowski J., Kampfer P., Glaeser S.;
RT   "Draft genome sequence of Streptomyces longwoodensis DSM 41677, type strain
RT   for the species Streptomyces longwoodensis.";
RL   Submitted (OCT-2015) to the EMBL/GenBank/DDBJ databases.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(2S)-4-acetamido-2-aminobutanoate = H2O + L-ectoine;
CC         Xref=Rhea:RHEA:17281, ChEBI:CHEBI:15377, ChEBI:CHEBI:58515,
CC         ChEBI:CHEBI:58929; EC=4.2.1.108;
CC         Evidence={ECO:0000256|ARBA:ARBA00000511};
CC   -!- PATHWAY: Amine and polyamine biosynthesis; ectoine biosynthesis; L-
CC       ectoine from L-aspartate 4-semialdehyde: step 3/3.
CC       {ECO:0000256|ARBA:ARBA00005181}.
CC   -!- SIMILARITY: Belongs to the ectoine synthase family.
CC       {ECO:0000256|ARBA:ARBA00009637}.
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:KUN38010.1}.
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DR   EMBL; LMWS01000017; KUN38010.1; -; Genomic_DNA.
DR   RefSeq; WP_067233281.1; NZ_KQ948552.1.
DR   AlphaFoldDB; A0A101QXP5; -.
DR   STRING; 68231.AQJ30_14110; -.
DR   UniPathway; UPA00067; UER00123.
DR   Proteomes; UP000053271; Unassembled WGS sequence.
DR   GO; GO:0033990; F:ectoine synthase activity; IEA:UniProtKB-EC.
DR   GO; GO:0019491; P:ectoine biosynthetic process; IEA:UniProtKB-UniPathway.
DR   CDD; cd06978; cupin_EctC; 1.
DR   Gene3D; 2.60.120.10; Jelly Rolls; 1.
DR   InterPro; IPR010462; Ectoine_synth.
DR   InterPro; IPR014710; RmlC-like_jellyroll.
DR   InterPro; IPR011051; RmlC_Cupin_sf.
DR   PANTHER; PTHR39289; -; 1.
DR   PANTHER; PTHR39289:SF1; L-ECTOINE SYNTHASE; 1.
DR   Pfam; PF06339; Ectoine_synth; 1.
DR   SUPFAM; SSF51182; RmlC-like cupins; 1.
PE   3: Inferred from homology;
KW   Reference proteome {ECO:0000313|Proteomes:UP000053271}.
SQ   SEQUENCE   124 AA;  13602 MW;  10BAB22C49353A05 CRC64;
     MIVRSLSDVV PVEWGNGTSH RLLTEADGMG FTVCETLVRK GTTSSLQYRR HLEACYCTGG
     SGEVVTADGT RFKITEGTIY ALDQNDAHHL VASDYEDLRL VSVFSPALRG DEKHTLTADG
     FSQY
//