ProGlyProt IDAC109
Organism Information
Organism NameMethanococcus maripaludis S2
DomainArchaea
ClassificationFamily: Methanococcaceae
Order: Methanococcales
Class: Methanococci or Methanothermea
Division or phylum: "Euryarchaeota"
Taxonomic ID (NCBI)39152
Genome Sequence (s)
EMBLAF333233
Gene Information
Gene NameflaB1
NCBI Gene ID
Protein Information
Protein NameFlaB1
UniProtKB/SwissProt IDQ9C4R3
NCBI RefSeq
EMBL-CDSAAG50057.1
UniProtKB Sequence>tr|Q9C4R3|Q9C4R3_METMP FlaB1 OS=Methanococcus maripaludis GN=flaB1 PE=4 SV=1 MKIKEFLKTKKGASGIGTLIVFIAMVLVAAVAASVLINTSGFLQQKASTTGKESTEQVAS GLLLNGITGSVGTSDVKLLAIYLCPNAGSSAIDLAQTKIMLDYDGKSVVLGYGGNQDMSS GNSSVFSNDTGATATTFQVNILQDYDDSAVDNAVINKGDAVALIVDVNASFGGEIPERTA ISGKVQPEFGAPGVISFTTPASYTTALVELQ
Sequence length 211 AA
Subcellular LocationSurface associated
FunctionFlagellin
Protein Structure
PDB ID
Glycosylation Status
Glycosylation TypeN (Asn) linked
Experimentally Validated Glycosite(s) in Full Length Protein(Signal peptide: 1-12) N122, N128, N168
Experimentally Validated Glycosite(s ) in Mature ProteinN110, N116, N156
Glycosite(s) Annotated Protein Sequence>tr|Q9C4R3|Q9C4R3_METMP FlaB1 OS=Methanococcus maripaludis GN=flaB1 PE=4 SV=1 MKIKEFLKTKKGASGIGTLIVFIAMVLVAAVAASVLINTSGFLQQKASTTGKESTEQVAS GLLLNGITGSVGTSDVKLLAIYLCPNAGSSAIDLAQTKIMLDYDGKSVVLGYGGNQDMSS GN*(122)SSVFSN*(128)DTGATATTFQVNILQDYDDSAVDNAVINKGDAVALIVDVN*(168)ASFGGEIPERTA ISGKVQPEFGAPGVISFTTPASYTTALVELQ
Sequence Around Glycosites (21 AA)YGGNQDMSSGNSSVFSNDTGA
MSSGNSSVFSNDTGATATTFQ
GDAVALIVDVNASFGGEIPER
Glycosite Sequence Logoseqlogo
Glycosite Sequence Logo
Technique(s) used for Glycosylation DetectionAberrant SDS-PAGE migration and glycan detection by MS
Technique(s) used for Glycosylated Residue(s) DetectionNanoLC–MS/MS (nano-liquid chromatography-electrospray tandem mass spectrometry)
Protein Glycosylation- ImplicationGlycan is necessary for proper flagellar filament assembly and function. A minimal portion of the glycan (at least two sugars) is required to facilitate flagellar assembly and the presence of each additional sugar results in increased motility, as measured on semi-swarm plates.
Glycan Information
Glycan AnnotationLinkage: β-GalNAc-Asn.
N-linked tetrasaccharide (1036.4 Da) composed of N-acetylgalactosamine, di-acetylated glucuronic acid, an acetylated and acetamidino-modified mannuronic acid linked to threonine, and a novel terminal sugar: Sug-4-β-ManNAc3NAmA6Thr-4-β-GlcNAc3NAcA-3-β-GalNAc-Asn where Sug is a novel monosaccharide unit, (5S)-2-acetamido-2,4-dideoxy-5-O-methyl-α-L-erythro-hexos-5-ulo-1,5-pyranose,.
Technique(s) used for Glycan IdentificationNanoLC–MS/MS analysis and 1H, 13C NMR spectroscopy
Protein Glycosylation linked (PGL) gene(s)
OST Gene NameaglB
OST NCBI Gene ID2761329
OST GenBank Gene Sequence2761329
OST Protein NameAglB/STT3 subunit
OST UniProtKB/ SwissProt IDQ6LXC8
OST NCBI RefSeqNP_988544.1
OST EMBL-CDSCAF30980.1
OST UniProtKB Sequence>tr|Q6LXC8|Q6LXC8_METMP Oligosaccharyl transferase, STT3 subunit OS=Methanococcus maripaludis GN=MMP1424 PE=4 SV=1 MGEFLNKVSDFFKKNEKIKIILILLFIGMMSFQIRAQTADMAFTDNSYLQDMFSDDNGRM YLTALDPYYYLRMTENYVNNDYSNVGETTVGIDGENIPYDTIQYAPPGREAGLVSALSIA TVLVYSVWNSIDSTVTIMNAAFWVPAIMSIFLGIPVFFIVRRNTASNIGGLVGALLLISS PSLLYKTSAGFSDTPIFEILPLLFIVWMIMEAIHEQENSKKSGIFGGIAAILIGLYPMMW SGWWYAFDITAGFLVLYTAYEYLTKSKNLKNVITTSLITLVGGAILVSLSTGLSGFINWI LSPIGFTVINEATKITGWPNVYMTVSELAIPTVTDIIENSVGNIWLLIAGISGILLSFVS FKHDKQKIDIKYALYLTLWLIATVYAATKGIRFVALMTPALAIGIGIFAGQIENIIKRYE KKVEYILYPVIGILSVITLIKYGGELFNILVPTTYVPIAVYLSIIALLVLAVYKIIDIIS EKEQAVKKVFGILLAFMLVFPSMAAAVPFYTAPTMNNGWMDSLSWIKSETPENSVVTCWW DNGHIYTWATRKMVTFDGGSQNTPRAYWVGHAFSTSDENLSVGILRMLATSGDSAYDDDS ILIKKTGSIKDTVDILNKILPLTRTEAKASLVNNYDLTDAEAEEVLDLTHPKVTNPDYLI TYNRMTSIASVWSMFGNWNFSLPASTENSDREMGYYQQLGGSAQDINGTTVVYIPLQETD SYRVINILEITDSEIKSANAVIDSNNQTSMQSPNFHKLILKVNGNVYEQETNENGDYSEI VRLEKLSDGTYQVYAWVSSKNLEDSIYTKLHFLDGYGLEKISLEKESVDPTSYGIQPGFK VYSVDYGTDYLN
OST EC Number (BRENDA)2.4.1.119
OST Genome ContextQ6LXC8
Characterized Accessory Gene(s)AglO, AglA, AglL are glycosyltransferases responsible for tetrasaccharide assembly. AglO adds the second sugar, AglA adds the third sugar, and AglL transfers the last sugar. MMP0350 (acetyltransferase-second sugar ), MMP1081 (Acetamidino transfer-third sugar), MMP1085 (Methyltransferase-fourth sugar). MMP1081 and MMP1085 are unpublished results as referred in ref 4.
Characterized by gene deletion studies
PGL Additional LinksCAZy
Literatures
Reference(s)1) Jarrell, K.F., Jones, G.M. and Nair, D.B. Biosynthesis and role of N-linked glycosylation in cell surface structures of archaea with a focus on flagella and s layers. Int J Microbiol, 2010, 470138. [PubMed: 20721273]
2) Kelly, J., Logan, S.M., Jarrell, K.F., VanDyke, D.J. and Vinogradov, E. (2009) A novel N-linked flagellar glycan from Methanococcus maripaludis. Carbohydr Res, 344, 648-653. [PubMed: 19203750]
3) VanDyke, D.J., Wu, J., Logan, S.M., Kelly, J.F., Mizuno, S., Aizawa, S
Additional CommentsSug, a novel monosaccharide unit, (5S)-2-acetamido-2,4-dideoxy-5-O-methyl-α-L-erythro-hexos-5-ulo-1,5-pyranose is the first example of a naturally occuring diglycoside of an aldulose.
Year of Identification2008
Year of Validation2009