ID   MOPB_RHOCA              Reviewed;         270 AA.
AC   Q08386;
DT   01-OCT-1994, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-1994, sequence version 1.
DT   25-MAY-2022, entry version 93.
DE   RecName: Full=Molybdenum-pterin-binding protein MopB;
GN   Name=mopB;
OS   Rhodobacter capsulatus (Rhodopseudomonas capsulata).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rhodobacterales;
OC   Rhodobacteraceae; Rhodobacter.
OX   NCBI_TaxID=1061;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=ATCC 33303 / B10;
RX   PubMed=8491722; DOI=10.1128/jb.175.10.3031-3042.1993;
RA   Wang G., Angermueller S., Klipp W.;
RT   "Characterization of Rhodobacter capsulatus genes encoding a molybdenum
RT   transport system and putative molybdenum-pterin-binding proteins.";
RL   J. Bacteriol. 175:3031-3042(1993).
CC   -!- INTERACTION:
CC       Q08386; Q08385: mopA; NbExp=4; IntAct=EBI-6407928, EBI-6407908;
CC       Q08386; Q08386: mopB; NbExp=4; IntAct=EBI-6407928, EBI-6407928;
CC       Q08386; D5ARW3: RCAP_rcc03261; Xeno; NbExp=3; IntAct=EBI-6407928, EBI-6407918;
CC   -!- SIMILARITY: Belongs to the ModE family. {ECO:0000305}.
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DR   EMBL; L06254; AAA71913.1; -; Unassigned_DNA.
DR   PIR; G36914; G36914.
DR   AlphaFoldDB; Q08386; -.
DR   SMR; Q08386; -.
DR   IntAct; Q08386; 2.
DR   GO; GO:0003700; F:DNA-binding transcription factor activity; IEA:InterPro.
DR   GO; GO:0042802; F:identical protein binding; IPI:IntAct.
DR   GO; GO:0030151; F:molybdenum ion binding; IEA:InterPro.
DR   GO; GO:0015689; P:molybdate ion transport; IEA:InterPro.
DR   Gene3D; 1.10.10.10; -; 1.
DR   InterPro; IPR008995; Mo/tungstate-bd_C_term_dom.
DR   InterPro; IPR016462; ModE.
DR   InterPro; IPR003725; ModE-bd_N.
DR   InterPro; IPR004606; Mop_domain.
DR   InterPro; IPR005116; Transp-assoc_OB_typ1.
DR   InterPro; IPR000847; Tscrpt_reg_HTH_LysR.
DR   InterPro; IPR036388; WH-like_DNA-bd_sf.
DR   InterPro; IPR036390; WH_DNA-bd_sf.
DR   Pfam; PF00126; HTH_1; 1.
DR   Pfam; PF03459; TOBE; 2.
DR   PIRSF; PIRSF005763; Txn_reg_ModE; 1.
DR   SUPFAM; SSF46785; SSF46785; 1.
DR   SUPFAM; SSF50331; SSF50331; 2.
DR   TIGRFAMs; TIGR00637; ModE_repress; 1.
DR   TIGRFAMs; TIGR00638; Mop; 2.
DR   PROSITE; PS51866; MOP; 2.
PE   1: Evidence at protein level;
KW   Molybdenum; Repeat; Transport.
FT   CHAIN           1..270
FT                   /note="Molybdenum-pterin-binding protein MopB"
FT                   /id="PRO_0000201133"
FT   DOMAIN          131..197
FT                   /note="Mop 1"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01213"
FT   DOMAIN          203..269
FT                   /note="Mop 2"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01213"
SQ   SEQUENCE   270 AA;  27668 MW;  2FE3B9FC21701156 CRC64;
     MAATKQGGGD DGRCARGVVL ERTGARMGAE RVALLAAIGR TGSISAAARE VGLSYKAAWD
     GVQAMNNLLA APVVTAAPGG KAGGGAVLTP AGEKLIAAYG AIEAGVAKLL SSFEKSLNLD
     PAEVLRGLSL RTSARNAWAC KVWSVAADDV AAQVRMRLGE GQDLTAVITA RSAAEMRLAP
     GSEVLALVKS NFVLLAGAGV PERLSVRNRV RGRVIERIDA PLSSEVTLDL GGGKTITATI
     TRDSAEMLDL HPGVETTALI KSSHVILALP