LAMB1_YERPP
ID LAMB1_YERPP Reviewed; 423 AA.
AC A4TH46;
DT 26-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT 15-MAY-2007, sequence version 1.
DT 25-MAY-2022, entry version 80.
DE RecName: Full=Maltoporin 1 {ECO:0000255|HAMAP-Rule:MF_01301};
DE AltName: Full=Maltose-inducible porin 1 {ECO:0000255|HAMAP-Rule:MF_01301};
DE Flags: Precursor;
GN Name=lamB1 {ECO:0000255|HAMAP-Rule:MF_01301}; OrderedLocusNames=YPDSF_0189;
OS Yersinia pestis (strain Pestoides F).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Yersiniaceae; Yersinia.
OX NCBI_TaxID=386656;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Pestoides F;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA Di Bartolo G., Chain P., Malfatti S., Shin M., Vergez L., Schmutz J.,
RA Larimer F., Land M., Hauser L., Worsham P., Chu M., Bearden S., Garcia E.,
RA Richardson P.;
RT "Complete sequence of chromosome of Yersinia pestis Pestoides F.";
RL Submitted (FEB-2007) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Involved in the transport of maltose and maltodextrins.
CC {ECO:0000255|HAMAP-Rule:MF_01301}.
CC -!- SUBUNIT: Homotrimer formed of three 18-stranded antiparallel beta-
CC barrels, containing three independent channels. {ECO:0000255|HAMAP-
CC Rule:MF_01301}.
CC -!- SUBCELLULAR LOCATION: Cell outer membrane {ECO:0000255|HAMAP-
CC Rule:MF_01301}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC Rule:MF_01301}.
CC -!- INDUCTION: By maltose. {ECO:0000255|HAMAP-Rule:MF_01301}.
CC -!- SIMILARITY: Belongs to the porin LamB (TC 1.B.3) family.
CC {ECO:0000255|HAMAP-Rule:MF_01301}.
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 EMBL; CP000668; ABP38608.1; -; Genomic_DNA.
DR RefSeq; WP_002212092.1; NZ_CP009715.1.
DR AlphaFoldDB; A4TH46; -.
DR SMR; A4TH46; -.
DR GeneID; 66843941; -.
DR KEGG; ypp:YPDSF_0189; -.
DR PATRIC; fig|386656.14.peg.1477; -.
DR OMA; DYGRANA; -.
DR GO; GO:0009279; C:cell outer membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0046930; C:pore complex; IEA:UniProtKB-KW.
DR GO; GO:0042958; F:maltodextrin transmembrane transporter activity; IEA:InterPro.
DR GO; GO:0015481; F:maltose transporting porin activity; IEA:InterPro.
DR GO; GO:0006811; P:ion transport; IEA:UniProtKB-KW.
DR CDD; cd01346; Maltoporin-like; 1.
DR Gene3D; 2.40.170.10; -; 1.
DR HAMAP; MF_01301; LamB; 1.
DR InterPro; IPR023738; Maltoporin.
DR InterPro; IPR003192; Porin_LamB.
DR InterPro; IPR036998; Porin_LamB_sf.
DR Pfam; PF02264; LamB; 1.
PE 3: Inferred from homology;
KW Cell outer membrane; Ion transport; Membrane; Porin; Signal;
KW Sugar transport; Transmembrane; Transmembrane beta strand; Transport.
FT SIGNAL 1..24
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01301"
FT CHAIN 25..423
FT /note="Maltoporin 1"
FT /id="PRO_5000236502"
FT SITE 30
FT /note="Greasy slide, important in sugar transport"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01301"
FT SITE 65
FT /note="Greasy slide, important in sugar transport"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01301"
FT SITE 98
FT /note="Greasy slide, important in sugar transport"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01301"
FT SITE 142
FT /note="Important in sugar transport"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01301"
FT SITE 250
FT /note="Greasy slide, important in sugar transport"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01301"
FT SITE 370
FT /note="Greasy slide, important in sugar transport"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01301"
FT SITE 422
FT /note="Greasy slide, important in sugar transport"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01301"
SQ SEQUENCE 423 AA; 46853 MW; DD4AA853F3370D01 CRC64;
MITLRKLPIA LAVAAGVLST QAMAVDFHGY ARSGIGWTAS GGEQQCFQTT GAQSKYRLGN
ECETYAELKL GQELWKEGDK SFYLDTNVAY SVSQRDDWES TDPAFREANV QGKNLIESLP
GSTIWAGKRF YQRHDVHMID FYYWDISGPG AGLETIDLGF GKLSVAATRN SESGGSSAWI
DNQRENAKYT INNVYDVRLA GLETNPGGSL ELGVDYGRAD TQEGYSLAPN ASKDGVMLTA
EHTQSLMGGF NKFVVQYATD SMTSYNTGHS QGTSVNNNGH LLRVIDHGAI NLAEKWDMMY
VALYQDIDLD NNNGNTWYSV GVRPMYKWTP IMSTLLEAGY DNVKSQHTGE RNGQYKLTLA
QQWQAGDSIW SRPAIRVFAT YANWDEKWGY SDTTGVAQDG TIGTNSRGKN NEVTFGAQFE
AWW