Protein
Agglutinin receptor
Organism
Streptococcus gordonii
Function
May bind sialic acid residues of salivary agglutinin (SAG) in a calcium-dependent reaction. The interaction of SAG with its receptor in various oral streptococci modulate bacterial colonization of oral tissue and is associated with reduced levels of dental caries.
Similarity
Belongs to the SpaP/Ssp5/SpaA family.
Sequence
MKNKKEVYGFRKSKVAKTLCGAVLGTALIAFADKAVFADEVTETTSTSTVEVATTGNPATNLPEAQGEMSQVAKESQAKAGSKESALPVEVSSADLDKAVADAKSAGVKVVQDETKDKGTATTATDNAQKQDEIKSDYAKQAEEIKTTTEAYKKEVAAHQAETDKINAENKAADDKYQKDLKSHQEEVEKINTANATAKAEYEAKLAQYQKDLATVKKANEDSQQDYQNKLSAYQTELARVQKANAEAKEAYEKAVKENTAKNEALKVENEAIKQRNETAKATYEAAMKQYEADLAAIKKANEDNDADYQAKLAAYQTELARVQKANAEAKEAYDKAVKENTAKNTAIQAENEAIKQRNETAKATYDAAVKKYEADLAAVKQANATNEADYQAKLAAYQTELARVQKANADAKATYEKAVEDNKAKNAAIKAENEEIKQRNAVAKTDYEAKLAKYEADLAKYKKEFAAYTAALAEAESKKKQDGYLSEPRSQSLNFKSEPNAIRTIDSSVHQYGQQELDALVKSWGISPTNPDRKKSRAYSYFNAINSNNTYAKLVLEKDKPVDVTYTGLKNSSFNGKKISKVVYTYTLKETGFNDGTKMTMFASSDPTVTAWYNDYFTSTNINVKVKFYDEEGQLMNLTGGLVNFSSLNRGNGSGAIDKDAIESVRNFNGRYIPISGSSIKIHENNSAYADSSNAEKSLGARWNTSEWDTTSSPNNWYGAIVGEITQSEISFNMASSKSGNIWFAFNSNINAIGVPTKPVAPTAPTQPMYETEKPLEPAPVAPSYENEPTPPVKTPDQPEPSKPEEPTYETEKPLEPAPVAPSYENEPTPPVKTPDQPEPSKPEEPNYETEKPLEPAPVAPSYENEPTPPVKIPDQPEPSKPEEPTYDPLPTPPLAPTPKQLPTPPVVPTVHFHYSSLLAQPQINKEIKNEDGVDIDRTLVAKQSIVKFELKTEALTAGRPKTTSFVLVDPLPTGYKFDLDATKAASTGFDTTYDEASHTVTFKATDETLATYNADLTKPVETLHPTVVGRVLNDGATYTNNFTLTVNDAYGIKSNVVRVTTPGKPNDPDNPNNNYIKPTKVNKNKEGLNIDGKEVLAGSTNYYELTWDLDQYKGDKSSKEAIQNGFYYVDDYPEEALDVRPDLVKVADEKGNQVSGVSVQQYDSLEAAPKKVQDLLKKANITVKGAFQLFSADNPEEFYKQYVATGTSLVITDPMTVKSEFGKTGGKYENKAYQIDFGNGYATEVVVNNVPKITPKKDVTVSLDPTSENLDGQTVQLYQTFNYRLIGGLIPQNHSEELEDYSFVDDYDQAGDQYTGNYKTFSSLNLTMKDGSVIKAGTDLTSQTTAETDATNGIVTVRFKEDFLQKISLDSPFQAETYLQMRRIAIGTFENTYVNTVNKVAYASNTVRTTTPIPRTPDKPTPIPTPKPKDPDKPETPKEPKVPSPKVEDPSAPIPVSVGKELTTLPKTGTNDATYMPYLGLAALVGFLGLGLAKRKED