ID   F93_SSV1                Reviewed;          93 AA.
AC   P20222;
DT   01-FEB-1991, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1991, sequence version 1.
DT   02-JUN-2021, entry version 80.
DE   RecName: Full=Protein F-93;
GN   ORFNames=f93;
OS   Sulfolobus spindle-shape virus 1 (SSV1).
OC   Viruses; Fuselloviridae; Alphafusellovirus.
OX   NCBI_TaxID=244589;
OH   NCBI_TaxID=2287; Saccharolobus solfataricus (Sulfolobus solfataricus).
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=1926776; DOI=10.1016/0042-6822(91)90771-3;
RA   Palm P., Schleper C., Grampp B., Yeats S., McWilliam P., Reiter W.-D.,
RA   Zillig W.;
RT   "Complete nucleotide sequence of the virus SSV1 of the archaebacterium
RT   Sulfolobus shibatae.";
RL   Virology 185:242-250(1991).
RN   [2]
RP   X-RAY CRYSTALLOGRAPHY (2.7 ANGSTROMS) OF 2-93, SUBUNIT, AND PUTATIVE
RP   FUNCTION.
RX   PubMed=15479795; DOI=10.1128/jvi.78.21.11544-11550.2004;
RA   Kraft P., Oeckinghaus A., Kummel D., Gauss G.H., Gilmore J., Wiedenheft B.,
RA   Young M., Lawrence C.M.;
RT   "Crystal structure of F-93 from Sulfolobus spindle-shaped virus 1, a
RT   winged-helix DNA binding protein.";
RL   J. Virol. 78:11544-11550(2004).
CC   -!- FUNCTION: Probable transcription factor that recognizes a
CC       (pseudo-)palindromic DNA target sequence.
CC   -!- SUBUNIT: Homodimer. {ECO:0000269|PubMed:15479795}.
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DR   EMBL; X07234; CAA30216.1; -; Genomic_DNA.
DR   PIR; S03217; S03217.
DR   RefSeq; NP_039783.1; NC_001338.1.
DR   PDB; 1TBX; X-ray; 2.70 A; A/B=1-93.
DR   PDBsum; 1TBX; -.
DR   SMR; P20222; -.
DR   GeneID; 2559634; -.
DR   KEGG; vg:2559634; -.
DR   EvolutionaryTrace; P20222; -.
DR   Proteomes; UP000000854; Genome.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR   Gene3D; 1.10.10.10; -; 1.
DR   InterPro; IPR036388; WH-like_DNA-bd_sf.
DR   InterPro; IPR036390; WH_DNA-bd_sf.
DR   SUPFAM; SSF46785; SSF46785; 1.
PE   1: Evidence at protein level;
KW   3D-structure; DNA-binding; Reference proteome; Transcription;
KW   Transcription regulation.
FT   CHAIN           1..93
FT                   /note="Protein F-93"
FT                   /id="PRO_0000223014"
FT   STRAND          5..7
FT                   /evidence="ECO:0007829|PDB:1TBX"
FT   HELIX           9..17
FT                   /evidence="ECO:0007829|PDB:1TBX"
FT   HELIX           25..33
FT                   /evidence="ECO:0007829|PDB:1TBX"
FT   HELIX           40..52
FT                   /evidence="ECO:0007829|PDB:1TBX"
FT   STRAND          55..61
FT                   /evidence="ECO:0007829|PDB:1TBX"
FT   STRAND          64..69
FT                   /evidence="ECO:0007829|PDB:1TBX"
FT   HELIX           71..93
FT                   /evidence="ECO:0007829|PDB:1TBX"
SQ   SEQUENCE   93 AA;  10966 MW;  FDA0840D7D79E333 CRC64;
     MKSTPFFYPE AIVLAYLYDN EGIATYDLYK KVNAEFPMST ATFYDAKKFL IQEGFVKERQ
     ERGEKRLYLT EKGKLFAISL KTAIETYKQI KKR