ID   A0AAJ6XXS3_POPEU        Unreviewed;       187 AA.
AC   A0AAJ6XXS3;
DT   24-JUL-2024, integrated into UniProtKB/TrEMBL.
DT   24-JUL-2024, sequence version 1.
DT   28-JAN-2026, entry version 8.
DE   SubName: Full=B3 domain-containing protein At2g33720-like {ECO:0000313|RefSeq:XP_011035168.1};
GN   Name=LOC105133054 {ECO:0000313|RefSeq:XP_011035168.1};
OS   Populus euphratica (Euphrates poplar).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; fabids; Malpighiales; Salicaceae; Saliceae; Populus.
OX   NCBI_TaxID=75702 {ECO:0000313|Proteomes:UP000694918, ECO:0000313|RefSeq:XP_011035168.1};
RN   [1] {ECO:0000313|RefSeq:XP_011035168.1}
RP   IDENTIFICATION.
RG   RefSeq;
RL   Submitted (AUG-2025) to UniProtKB.
CC   -!- SUBCELLULAR LOCATION: Nucleus {ECO:0000256|ARBA:ARBA00004123}.
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DR   RefSeq; XP_011035168.1; XM_011036866.1.
DR   AlphaFoldDB; A0AAJ6XXS3; -.
DR   GeneID; 105133054; -.
DR   KEGG; peu:105133054; -.
DR   Proteomes; UP000694918; Unplaced.
DR   GO; GO:0005634; C:nucleus; IEA:UniProtKB-SubCell.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR   CDD; cd10017; B3_DNA; 1.
DR   Gene3D; 2.40.330.10; DNA-binding pseudobarrel domain; 1.
DR   InterPro; IPR003340; B3_DNA-bd.
DR   InterPro; IPR051442; B3_domain.
DR   InterPro; IPR015300; DNA-bd_pseudobarrel_sf.
DR   PANTHER; PTHR34269:SF11; B3 DOMAIN PROTEIN; 1.
DR   PANTHER; PTHR34269; TRANSCRIPTION FACTOR B3-DOMAIN FAMILY-RELATED; 1.
DR   Pfam; PF02362; B3; 1.
DR   SMART; SM01019; B3; 1.
DR   SUPFAM; SSF101936; DNA-binding pseudobarrel domain; 1.
PE   4: Predicted;
KW   DNA-binding {ECO:0000256|ARBA:ARBA00023125};
KW   Nucleus {ECO:0000256|ARBA:ARBA00023242};
KW   Reference proteome {ECO:0000313|Proteomes:UP000694918};
KW   Transcription {ECO:0000256|ARBA:ARBA00023163};
KW   Transcription regulation {ECO:0000256|ARBA:ARBA00023015}.
FT   DOMAIN          70..183
FT                   /note="TF-B3"
FT                   /evidence="ECO:0000259|SMART:SM01019"
FT   REGION          1..25
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        1..11
FT                   /note="Gly residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   187 AA;  21867 MW;  5880462207D243AA CRC64;
     MEKHGGFGGG EVRWNQPRNK ESAEELERSR VAFNLRRMRT SYTLGDLLEE SSRGVSTHLS
     LYHHYDPFTI KKKMKPSDLG NLCRLLVPSD LVEKHILPFL NTDQIKQVNQ ETNLGLKVSV
     WDMNTRSMHQ LVFKRWSTSR SYIFNDGWTK DFVRRRNLVE GDEIGLYWDN YHSRFNFNVL
     SRAAAAS
//