ID   A0A1S3ZZS6_TOBAC        Unreviewed;       269 AA.
AC   A0A1S3ZZS6;
DT   12-APR-2017, integrated into UniProtKB/TrEMBL.
DT   12-APR-2017, sequence version 1.
DT   28-JAN-2026, entry version 38.
DE   RecName: Full=TF-B3 domain-containing protein {ECO:0000259|SMART:SM01019};
GN   Name=LOC107792137 {ECO:0000313|RefSeq:XP_016469816.1};
OS   Nicotiana tabacum (Common tobacco).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   asterids; lamiids; Solanales; Solanaceae; Nicotianoideae; Nicotianeae;
OC   Nicotiana.
OX   NCBI_TaxID=4097 {ECO:0000313|RefSeq:XP_016469816.1};
RN   [1] {ECO:0000313|RefSeq:XP_016469816.1}
RP   IDENTIFICATION.
RG   RefSeq;
RL   Submitted (AUG-2025) to UniProtKB.
CC   -!- SUBCELLULAR LOCATION: Nucleus {ECO:0000256|ARBA:ARBA00004123}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   RefSeq; XP_016469816.1; XM_016614330.1.
DR   AlphaFoldDB; A0A1S3ZZS6; -.
DR   PaxDb; 4097-A0A1S3ZZS6; -.
DR   KEGG; nta:107792137; -.
DR   OrthoDB; 1305332at2759; -.
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   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   Transcription {ECO:0000256|ARBA:ARBA00023163};
KW   Transcription regulation {ECO:0000256|ARBA:ARBA00023015}.
FT   DOMAIN          152..260
FT                   /note="TF-B3"
FT                   /evidence="ECO:0000259|SMART:SM01019"
SQ   SEQUENCE   269 AA;  30659 MW;  D7389F49EA012702 CRC64;
     MTMNAIQDDI PTLSLLFSDK SIVINAEPIA YACPHESSSS KYSDTKLPTL SLFASKPTTL
     SLFPDFSENL ATASKHYYFV NNPLPPSTDL CLSLLGTIPE TSNSNSPNII SQDSCAPKRS
     FHESNIATPV SKRKGQDQKR RLIAAEEEEH WIIKKLTKSD VNGSSRLLLP RQEVKTYVIP
     FLDEQKATDC QKLSGTDVYV WDLDTQSEYS LTLKKWATHS FQLIRNWTPN FVKRRNLKQD
     DVIALRWDRN NSRFCFRVPS RHDQLDNES
//