ID   SF3_HELAN               Reviewed;         219 AA.
AC   P29675;
DT   01-APR-1993, integrated into UniProtKB/Swiss-Prot.
DT   01-APR-1993, sequence version 1.
DT   03-AUG-2022, entry version 74.
DE   RecName: Full=Pollen-specific protein SF3;
GN   Name=SF3;
OS   Helianthus annuus (Common sunflower).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   asterids; campanulids; Asterales; Asteraceae; Asteroideae;
OC   Heliantheae alliance; Heliantheae; Helianthus.
OX   NCBI_TaxID=4232;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=cv. HA401B / Cargill; TISSUE=Pollen;
RX   PubMed=1302629; DOI=10.1111/j.1365-313x.1992.tb00140.x;
RA   Baltz R., Domon C., Pillay D.T.N., Steinmetz A.;
RT   "Characterization of a pollen-specific cDNA from sunflower encoding a zinc
RT   finger protein.";
RL   Plant J. 2:713-721(1992).
RN   [2]
RP   IDENTIFICATION OF LIM DOMAINS.
RX   PubMed=1467648; DOI=10.2307/3869489;
RA   Baltz R., Evrard J.-L., Domon C., Steinmetz A.;
RT   "A LIM motif is present in a pollen-specific protein.";
RL   Plant Cell 4:1465-1466(1992).
CC   -!- FUNCTION: Could possibly involved in controlling pollen-specific
CC       processes such as male gamete maturation, pollen tube formation, or
CC       even fertilization.
CC   -!- TISSUE SPECIFICITY: Pollen.
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DR   EMBL; X64392; CAA45731.1; -; Genomic_DNA.
DR   PIR; S28507; S28507.
DR   AlphaFoldDB; P29675; -.
DR   PRIDE; P29675; -.
DR   GO; GO:0051015; F:actin filament binding; IEA:InterPro.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0051017; P:actin filament bundle assembly; IEA:UniProt.
DR   InterPro; IPR045268; LIMA-like.
DR   InterPro; IPR001781; Znf_LIM.
DR   PANTHER; PTHR24206; PTHR24206; 1.
DR   Pfam; PF00412; LIM; 2.
DR   SMART; SM00132; LIM; 2.
DR   PROSITE; PS00478; LIM_DOMAIN_1; 1.
DR   PROSITE; PS50023; LIM_DOMAIN_2; 2.
PE   2: Evidence at transcript level;
KW   LIM domain; Metal-binding; Repeat; Zinc.
FT   CHAIN           1..219
FT                   /note="Pollen-specific protein SF3"
FT                   /id="PRO_0000075905"
FT   DOMAIN          9..109
FT                   /note="LIM zinc-binding 1"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00125"
FT   DOMAIN          110..167
FT                   /note="LIM zinc-binding 2"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00125"
FT   REGION          181..219
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        184..219
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   219 AA;  24832 MW;  A74BDD1BB1393DE6 CRC64;
     MKSFTGTTQK CTVCEKTVYL VDKLVANQRV YHKACFRCHH CNSTLKLSNF NSFDGVVYCR
     HHFDQLFKRT GSLEKSFDGT PKFKPERTFS QETQSANRLS SFFEGTRDKC NACAKIVYPI
     ERVKVDGTAY HRACFKCCHG GCTISPSNYI AHEGRLYCKH HHIQLFKKKG NYSQLEVEET
     VAAPAESETQ NTETQNAETQ NADTQNADTQ NTETQNGSV