ID   Q79AD1_SERMA            Unreviewed;       263 AA.
AC   Q79AD1;
DT   05-JUL-2004, integrated into UniProtKB/TrEMBL.
DT   05-JUL-2004, sequence version 1.
DT   27-MAR-2024, entry version 61.
DE   RecName: Full=Protein TonB {ECO:0000256|ARBA:ARBA00022362};
GN   Name=hasB {ECO:0000313|EMBL:CAE46937.1};
OS   Serratia marcescens.
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC   Yersiniaceae; Serratia.
OX   NCBI_TaxID=615 {ECO:0000313|EMBL:CAE46937.1};
RN   [1] {ECO:0000313|EMBL:CAE46937.1}
RP   NUCLEOTIDE SEQUENCE.
RC   STRAIN=SM365 {ECO:0000313|EMBL:CAE46937.1};
RX   PubMed=7937909; DOI=10.1073/pnas.91.21.9876;
RA   Letoffe S., Ghigo J.M., Wandersman C.;
RT   "Iron acquisition from heme and hemoglobin by a Serratia marcescens
RT   extracellular protein.";
RL   Proc. Natl. Acad. Sci. U.S.A. 91:9876-9880(1994).
RN   [2] {ECO:0000313|EMBL:CAE46937.1}
RP   NUCLEOTIDE SEQUENCE.
RC   STRAIN=SM365 {ECO:0000313|EMBL:CAE46937.1};
RA   Ghigo J.;
RL   Submitted (SEP-2003) to the EMBL/GenBank/DDBJ databases.
RN   [3] {ECO:0007829|PDB:2M2K}
RP   STRUCTURE BY NMR OF 133-263.
RX   PubMed=23527057; DOI=10.1371/journal.pone.0058964;
RA   de Amorim G.C., Prochnicka-Chalufour A., Delepelaire P., Lefevre J.,
RA   Simenel C., Wandersman C., Delepierre M., Izadi-Pruneyre N.;
RT   "The structure of HasB reveals a new class of TonB protein fold.";
RL   PLoS ONE 8:e58964-e58964(2013).
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane
CC       {ECO:0000256|ARBA:ARBA00004383}; Single-pass membrane protein
CC       {ECO:0000256|ARBA:ARBA00004383}; Periplasmic side
CC       {ECO:0000256|ARBA:ARBA00004383}.
CC   -!- SIMILARITY: Belongs to the TonB family.
CC       {ECO:0000256|ARBA:ARBA00006555}.
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DR   EMBL; X81195; CAE46937.1; -; Genomic_DNA.
DR   PDB; 2M2K; NMR; -; A=133-263.
DR   PDBsum; 2M2K; -.
DR   AlphaFoldDB; Q79AD1; -.
DR   SMR; Q79AD1; -.
DR   TCDB; 2.C.1.1.2; the tonb-exbb-exbd/tola-tolq-tolr outer membrane receptor energizers and stabilizers (tonb/tola) family.
DR   GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0055085; P:transmembrane transport; IEA:InterPro.
DR   Gene3D; 3.30.1150.10; -; 1.
DR   InterPro; IPR006260; TonB/TolA_C.
DR   InterPro; IPR037682; TonB_C.
DR   NCBIfam; TIGR01352; tonB_Cterm; 1.
DR   PANTHER; PTHR33446:SF2; PROTEIN TONB; 1.
DR   PANTHER; PTHR33446; PROTEIN TONB-RELATED; 1.
DR   Pfam; PF03544; TonB_C; 1.
DR   SUPFAM; SSF74653; TolA/TonB C-terminal domain; 1.
PE   1: Evidence at protein level;
KW   3D-structure {ECO:0007829|PDB:2M2K};
KW   Cell inner membrane {ECO:0000256|ARBA:ARBA00022519};
KW   Cell membrane {ECO:0000256|ARBA:ARBA00022475};
KW   Membrane {ECO:0000256|ARBA:ARBA00023136};
KW   Protein transport {ECO:0000256|ARBA:ARBA00022927};
KW   Transmembrane {ECO:0000256|ARBA:ARBA00022692};
KW   Transmembrane helix {ECO:0000256|ARBA:ARBA00022989};
KW   Transport {ECO:0000256|ARBA:ARBA00022448}.
FT   DOMAIN          180..258
FT                   /note="TonB C-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF03544"
FT   REGION          60..152
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        69..92
FT                   /note="Pro residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   263 AA;  28381 MW;  D767C3DFDA04AC32 CRC64;
     MSVSPLPFAA PGAAMPWRRC LVLVLALHLL VAALLWPRRD KAEPPWVPPP AVMVLMAAAP
     QAPAEAKQPP GQRTPPPQAE PSAPPEPLPL VKAPDATQPN IAVPPKQKKP PKPVKKNNLP
     RTPPQERIIA PPKVQEQSVG APPPGRADKT AAPQTRLTPY AQAGEDNWRS RISGRLNRFK
     RYPKDALRLK RQGVGQVRFT LDRQGHVLAV TLVSSAGLPS LDREIQALVK RASPLPTPPA
     DAYVNGTVEL TLPIDFSLRG AGF
//