ID A0A2I0JCI3_PUNGR Unreviewed; 289 AA.
AC A0A2I0JCI3;
DT 28-FEB-2018, integrated into UniProtKB/TrEMBL.
DT 28-FEB-2018, sequence version 1.
DT 27-MAR-2024, entry version 21.
DE RecName: Full=spermidine synthase {ECO:0000256|ARBA:ARBA00012455};
DE EC=2.5.1.16 {ECO:0000256|ARBA:ARBA00012455};
GN ORFNames=CRG98_025653 {ECO:0000313|EMBL:PKI53951.1};
OS Punica granatum (Pomegranate).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC rosids; malvids; Myrtales; Lythraceae; Punica.
OX NCBI_TaxID=22663 {ECO:0000313|EMBL:PKI53951.1, ECO:0000313|Proteomes:UP000233551};
RN [1] {ECO:0000313|EMBL:PKI53951.1, ECO:0000313|Proteomes:UP000233551}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=cv. AG2017 {ECO:0000313|Proteomes:UP000233551};
RC TISSUE=Leaf {ECO:0000313|EMBL:PKI53951.1};
RA Akparov Z., Amiraslanov A., Hajiyeva S., Abbasov M., Kaur K., Hamwieh A.,
RA Solovyev V., Salamov A., Braich B., Kosarev P., Mahmoud A., Hajiyev E.,
RA Babayeva S., Izzatullayeva V., Mammadov A., Mammadov A., Sharifova S.,
RA Ojaghi J., Eynullazada K., Bayramov B., Abdulazimova A., Shahmuradov I.;
RT "De-novo sequencing of pomegranate (Punica granatum L.) genome.";
RL Submitted (NOV-2017) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=putrescine + S-adenosyl 3-(methylsulfanyl)propylamine = H(+) +
CC S-methyl-5'-thioadenosine + spermidine; Xref=Rhea:RHEA:12721,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:17509, ChEBI:CHEBI:57443,
CC ChEBI:CHEBI:57834, ChEBI:CHEBI:326268; EC=2.5.1.16;
CC Evidence={ECO:0000256|ARBA:ARBA00001199};
CC -!- PATHWAY: Amine and polyamine biosynthesis; spermidine biosynthesis;
CC spermidine from putrescine: step 1/1. {ECO:0000256|ARBA:ARBA00005123}.
CC -!- SIMILARITY: Belongs to the spermidine/spermine synthase family.
CC {ECO:0000256|ARBA:ARBA00007867, ECO:0000256|RuleBase:RU003836}.
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:PKI53951.1}.
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DR EMBL; PGOL01001822; PKI53951.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2I0JCI3; -.
DR STRING; 22663.A0A2I0JCI3; -.
DR Proteomes; UP000233551; Unassembled WGS sequence.
DR GO; GO:0016740; F:transferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006596; P:polyamine biosynthetic process; IEA:UniProtKB-UniRule.
DR CDD; cd02440; AdoMet_MTases; 1.
DR Gene3D; 2.30.140.10; Spermidine synthase, tetramerisation domain; 1.
DR Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 1.
DR HAMAP; MF_00198; Spermidine_synth; 1.
DR InterPro; IPR030374; PABS.
DR InterPro; IPR030373; PABS_CS.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR InterPro; IPR001045; Spermi_synthase.
DR InterPro; IPR035246; Spermidine_synt_N.
DR InterPro; IPR037163; Spermidine_synt_N_sf.
DR NCBIfam; TIGR00417; speE; 1.
DR PANTHER; PTHR11558:SF11; SPERMIDINE SYNTHASE; 1.
DR PANTHER; PTHR11558; SPERMIDINE/SPERMINE SYNTHASE; 1.
DR Pfam; PF17284; Spermine_synt_N; 1.
DR Pfam; PF01564; Spermine_synth; 1.
DR SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
DR PROSITE; PS01330; PABS_1; 1.
DR PROSITE; PS51006; PABS_2; 1.
PE 3: Inferred from homology;
KW Polyamine biosynthesis {ECO:0000256|PROSITE-ProRule:PRU00354};
KW Reference proteome {ECO:0000313|Proteomes:UP000233551};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|PROSITE-
KW ProRule:PRU00354}.
FT DOMAIN 46..289
FT /note="PABS"
FT /evidence="ECO:0000259|PROSITE:PS51006"
FT REGION 1..24
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 202
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU00354"
SQ SEQUENCE 289 AA; 31589 MW; 9680EB2ED6678C5A CRC64;
MAEESGVVAA DLPVKRPREE EADGAAATME VDGAGKEPNC ISAVIPGWFS EISPMWPGEA
HSLKVEKILF QGKSDFQDVM VFQSSTYGKV LVLDGVIQIT ERDECAYQEM ITHLPLCSIP
SPKKVLVIGG GDGGVLREVA RHTSVEQIDI CEIDAMVVDV SKQFFPEIAV GFQDPRVNLK
IGDGVAFLKA VPEGTYDAII VDSSDPIGPA QELFEKPFFG SVAKALRPGG VVCTQAESIW
LHMHIIEDIV ANCRQVFKGS VNYAWTTVPT YPRHDLPLNT RGIHFFFLE
//
