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Database: UniProt
Entry: A0A1W6SLP1_9PROT
LinkDB: A0A1W6SLP1_9PROT
Original site: A0A1W6SLP1_9PROT 
ID   A0A1W6SLP1_9PROT        Unreviewed;       252 AA.
AC   A0A1W6SLP1;
DT   05-JUL-2017, integrated into UniProtKB/TrEMBL.
DT   05-JUL-2017, sequence version 1.
DT   24-JAN-2024, entry version 20.
DE   SubName: Full=Spermidine synthase {ECO:0000313|EMBL:ARO86710.1};
GN   ORFNames=EBAPG3_002380 {ECO:0000313|EMBL:ARO86710.1};
OS   Nitrosospira lacus.
OC   Bacteria; Pseudomonadota; Betaproteobacteria; Nitrosomonadales;
OC   Nitrosomonadaceae; Nitrosospira.
OX   NCBI_TaxID=1288494 {ECO:0000313|EMBL:ARO86710.1, ECO:0000313|Proteomes:UP000012179};
RN   [1] {ECO:0000313|EMBL:ARO86710.1, ECO:0000313|Proteomes:UP000012179}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=APG3 {ECO:0000313|EMBL:ARO86710.1,
RC   ECO:0000313|Proteomes:UP000012179};
RX   PubMed=25336720; DOI=10.1099/ijs.0.070789-0;
RA   Urakawa H., Garcia J.C., Nielsen J.L., Le V.Q., Kozlowski J.A., Stein L.Y.,
RA   Lim C.K., Pommerening-Roser A., Martens-Habbena W., Stahl D.A., Klotz M.G.;
RT   "Nitrosospira lacus sp. nov., a psychrotolerant, ammonia-oxidizing
RT   bacterium from sandy lake sediment.";
RL   Int. J. Syst. Evol. Microbiol. 65:242-250(2015).
CC   -!- SIMILARITY: Belongs to the spermidine/spermine synthase family.
CC       {ECO:0000256|ARBA:ARBA00007867}.
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DR   EMBL; CP021106; ARO86710.1; -; Genomic_DNA.
DR   RefSeq; WP_004175593.1; NZ_CP021106.3.
DR   AlphaFoldDB; A0A1W6SLP1; -.
DR   KEGG; nlc:EBAPG3_002380; -.
DR   eggNOG; COG0421; Bacteria.
DR   OrthoDB; 117774at2; -.
DR   Proteomes; UP000012179; Chromosome.
DR   GO; GO:0008757; F:S-adenosylmethionine-dependent methyltransferase activity; IEA:InterPro.
DR   GO; GO:0006596; P:polyamine biosynthetic process; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 1.
DR   InterPro; IPR030374; PABS.
DR   InterPro; IPR029063; SAM-dependent_MTases_sf.
DR   PANTHER; PTHR43317; THERMOSPERMINE SYNTHASE ACAULIS5; 1.
DR   PANTHER; PTHR43317:SF1; THERMOSPERMINE SYNTHASE ACAULIS5; 1.
DR   Pfam; PF01564; Spermine_synth; 1.
DR   SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
DR   PROSITE; PS51006; PABS_2; 1.
PE   3: Inferred from homology;
KW   Polyamine biosynthesis {ECO:0000256|ARBA:ARBA00023115, ECO:0000256|PROSITE-
KW   ProRule:PRU00354}; Reference proteome {ECO:0000313|Proteomes:UP000012179};
KW   Spermidine biosynthesis {ECO:0000256|ARBA:ARBA00023066};
KW   Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|PROSITE-
KW   ProRule:PRU00354}.
FT   DOMAIN          1..218
FT                   /note="PABS"
FT                   /evidence="ECO:0000259|PROSITE:PS51006"
FT   ACT_SITE        141
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|PROSITE-ProRule:PRU00354"
SQ   SEQUENCE   252 AA;  28448 MW;  546AC0CD252CF849 CRC64;
     MHGFLKLRPL AQDKSNIQLS EQDGVRALHL GNSMVQSAMR LTAPNDLELA YTRCMMGFML
     FHPNPENILM IGLGGGSLAK FVYHRLPRTK TIVIEINPQI VAMARNYFFV PADDERLQVI
     IAEGGDYVAS HPASADVLMI DGFDGGCQVP PLCSQDFYNR ARETLKKKGV LVVNLLSRDK
     GLQEYLRRIE NSFNGHVMTM PAEVRGNLIA FAFKQSPGKP AWEELRERAK KLETEFALPF
     QEYVRKLRRG KP
//
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