ID   DIVIB_LACDA             Reviewed;         281 AA.
AC   Q1GAT4;
DT   25-JAN-2012, integrated into UniProtKB/Swiss-Prot.
DT   27-JUN-2006, sequence version 1.
DT   03-AUG-2022, entry version 72.
DE   RecName: Full=Cell division protein DivIB {ECO:0000255|HAMAP-Rule:MF_00912};
GN   Name=divIB {ECO:0000255|HAMAP-Rule:MF_00912}; Synonyms=ftsQ;
GN   OrderedLocusNames=Ldb0742;
OS   Lactobacillus delbrueckii subsp. bulgaricus (strain ATCC 11842 / DSM 20081
OS   / BCRC 10696 / JCM 1002 / NBRC 13953 / NCIMB 11778 / NCTC 12712 / WDCM
OS   00102 / Lb 14).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae;
OC   Lactobacillus.
OX   NCBI_TaxID=390333;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 11842 / DSM 20081 / BCRC 10696 / JCM 1002 / NBRC 13953 / NCIMB
RC   11778 / NCTC 12712 / WDCM 00102 / Lb 14;
RX   PubMed=16754859; DOI=10.1073/pnas.0603024103;
RA   van de Guchte M., Penaud S., Grimaldi C., Barbe V., Bryson K., Nicolas P.,
RA   Robert C., Oztas S., Mangenot S., Couloux A., Loux V., Dervyn R., Bossy R.,
RA   Bolotin A., Batto J.-M., Walunas T., Gibrat J.-F., Bessieres P.,
RA   Weissenbach J., Ehrlich S.D., Maguin E.;
RT   "The complete genome sequence of Lactobacillus bulgaricus reveals extensive
RT   and ongoing reductive evolution.";
RL   Proc. Natl. Acad. Sci. U.S.A. 103:9274-9279(2006).
CC   -!- FUNCTION: Cell division protein that may be involved in stabilizing or
CC       promoting the assembly of the division complex. {ECO:0000255|HAMAP-
CC       Rule:MF_00912}.
CC   -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000255|HAMAP-Rule:MF_00912};
CC       Single-pass type II membrane protein {ECO:0000255|HAMAP-Rule:MF_00912}.
CC       Note=Localizes to the division septum. {ECO:0000255|HAMAP-
CC       Rule:MF_00912}.
CC   -!- SIMILARITY: Belongs to the FtsQ/DivIB family. DivIB subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_00912}.
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DR   EMBL; CR954253; CAI97569.1; -; Genomic_DNA.
DR   RefSeq; WP_011543775.1; NZ_JQAV01000001.1.
DR   AlphaFoldDB; Q1GAT4; -.
DR   STRING; 390333.Ldb0742; -.
DR   PRIDE; Q1GAT4; -.
DR   EnsemblBacteria; CAI97569; CAI97569; Ldb0742.
DR   KEGG; ldb:Ldb0742; -.
DR   PATRIC; fig|390333.7.peg.689; -.
DR   eggNOG; COG1589; Bacteria.
DR   HOGENOM; CLU_046278_0_0_9; -.
DR   OMA; YMNDGNE; -.
DR   BioCyc; LDEL390333:LDB_RS03255-MON; -.
DR   Proteomes; UP000001259; Chromosome.
DR   GO; GO:0032153; C:cell division site; IEA:UniProtKB-UniRule.
DR   GO; GO:0005887; C:integral component of plasma membrane; IEA:UniProtKB-UniRule.
DR   GO; GO:0043093; P:FtsZ-dependent cytokinesis; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_00912; DivIB; 1.
DR   InterPro; IPR005548; Cell_div_FtsQ/DivIB_C.
DR   InterPro; IPR026580; DivIB.
DR   InterPro; IPR034746; POTRA.
DR   InterPro; IPR013685; POTRA_FtsQ_type.
DR   Pfam; PF03799; FtsQ; 1.
DR   Pfam; PF08478; POTRA_1; 1.
DR   PROSITE; PS51779; POTRA; 1.
PE   3: Inferred from homology;
KW   Cell cycle; Cell division; Cell membrane; Membrane; Reference proteome;
KW   Transmembrane; Transmembrane helix.
FT   CHAIN           1..281
FT                   /note="Cell division protein DivIB"
FT                   /id="PRO_0000414771"
FT   TOPO_DOM        1..46
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00912"
FT   TRANSMEM        47..69
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00912"
FT   TOPO_DOM        70..281
FT                   /note="Extracellular"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00912"
FT   DOMAIN          73..144
FT                   /note="POTRA"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01115"
FT   REGION          1..36
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        1..27
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   281 AA;  31575 MW;  4B0A066385CD504C CRC64;
     MARKRITRRD PEEELSKFLR HEPGQGQETR KLSSQLTSLK KERRRGLLTR LGSIMAVCLL
     AIAFLTYYVS PLADVSTVRV LGADDLDGKS MVEVAQIKAS DKVVDALRGQ KKISKKLAAK
     YPEVASVTLS VKGLNTLNMQ VHERKVSGYI KDGSSYREIL ANGELGTKSL AWREFDHDKP
     LFISYSKQVA LKTNLKIFNS FPEYFKKQVK MLSGNTRRKT QMILVMKDGN VIIGNTETIK
     SKVKYYNSIK QDLTTNSVID MEVGAFTRPL TSAEKKAYGL S