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1.B.14.12.1
The TonB-dependent maltooligosaccharide OM receptor/porin, MalA (Lohmiller et al., 2008).

Accession Number:Q9A608
Protein Name:TonB-dependent receptor
Length:921
Molecular Weight:99502.00
Species:Caulobacter crescentus (Caulobacter vibrioides) [155892]
Number of TMSs:1
Location1 / Topology2 / Orientation3: Cell membrane1 / Multi-pass membrane protein2
Substrate Maltooligosaccharides

Cross database links:

HEGENOM: HBG400743
RefSeq: NP_421090.1   
Entrez Gene ID: 943211   
Pfam: PF07715   
KEGG: ccr:CC_2287   

Gene Ontology

GO:0016020 C:membrane
GO:0004872 F:receptor activity
GO:0005215 F:transporter activity
GO:0006810 P:transport

References (1)

[1] “Complete genome sequence of Caulobacter crescentus.”  Nierman W.C.et.al.   11259647

External Searches:

  • Search: DB with
  • BLAST ExPASy (Swiss Institute of Bioinformatics (SIB) BLAST)
  • CDD Search (Conserved Domain Database)
  • Search COGs (Clusters of Orthologous Groups of proteins)
  • 2° Structure (Network Protein Sequence Analysis)

Analyze:

Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MNTQFSRRRA WLMAGGATGL ALAFAVAGSA QAQTTTTAAD DTKVEEVVIT GIRAGLENSI 
61:	ALKKQSTSIV EAISAEDIGK LPDTSIAESL ARLPGLTAQR LDGRAQVISI RGLGPDFTST 
121:	LLNGREQVST GDNRGVEFDQ YPSEILSGVV VYKTPDAGLI GQGLSGTADL RTIRPLTYGK 
181:	RILSANARYE MNSEKKLNPD AKDTGHRFSA TYVNQFANDT VGLALAISDI STPTQSKRFN 
241:	AWGYPTINAA NDRVIGGAKP YIQSNNLERF GAIGVLEYKP NDKVTTSLDV YYSEFQEEQI 
301:	LRGIELPLQW SSATLQPTRT TTAGLITNGT FSGVKGVMRN DLNTRDTTLK SAGWNLNYLT 
361:	DNGWSLTTDL SYSSADRTDV IFESYSGTGP NGVGATDTLG FTTTPGAGTM FASTLDYTDR 
421:	NQFKLTDPQG WGGGASGGAL TQAGFYNTPS ITDELTAARF TAKRDLEWGP VKSVEFGLNA 
481:	SRREKDKEVH ESFLTFGGRI AAGAPTSRAI PQEAIIGVAK LDLIGIKAML AYDPTYLLKN 
541:	GFYTLIADAN PAVQTRNWSV REDVQVAYAK FGVDSQVGSI PVTGNFGLQV VRTDQFSKGV 
601:	AVNPSAPASP TVTDDGAKYT YALPSLNLTF DAGNELYIRV GAARTLARAR MDELRASQSF 
661:	NQNTSRLTST DPNNSYFSAN GGNPNLRPYI ADGVDVAVEK YFGRSAYLSA AVYHKELSNF 
721:	VNSNSSSYKD FSDYLFLLST AQQAQLGTKI GLVSGPDNGD GGYIRGLELS ASLQGELLWE 
781:	PLKSFGLIIS GSFTDSKVTL EKGTNPITIP GLSKTVVNTT FYYEKNGFNA RISNRYRGKF 
841:	LGEVAGLSAA RVFRTVDKES VVDAQIGYEF RDGPMNGLSL LLQANNITNE PFKTYDNNDQ 
901:	RQTIDYQKYG ATYMVGVSYR F