Residue 119 shows polarity as a similarity. I\'m debating between the ability to
ID: 210046 • Letter: R
Question
Residue 119 shows polarity as a similarity. I'm debating between the ability to form ion pairs or the ability to form hydrogen bonds. Please help!!
How to print an alignment in color nfo 1-MGLSDGEWOLVLNVWGKVEADIPGHGQEVLIRLFKGHPETLEKFDKFKHLKSEDEMKAS 1 MGHFTEEDKATITSLWGKVN--VEDAGGETLGRLLVVYPWTQRFFDSFGNLSSASAIMGN 1 MVHLTPEEKSAVTALWGKVN--VDEVGGEALGRLLVVYPWTORFFESFGDLSTPDAVMGN 1 MVLSPADKTNVKAAWGKVGAHAGEYGAEALERMFLSFPTTKTYFPHFD--LSHGS 1 MVHLTPEEKTAVNALWGKVN--VDAVGGEALGRLLVVYPWTORFFESFGDLSSPDAVMGN 1 -MSLTKTERTIIVSMWAKISTOADTIGTETLERLFLSHPOTKTYFPHFD-LHPGS 1 MVHFTAEEKAAVTSLWSKMN--VEEAGGEALGRLLVVYPWTQRFFDSFGNLSSPSAILGN MAL SAEDRALVRALWKKLGSNVGVYTTEALERTFLAFPATKTYFSHLD---LSPGS 1--MLSAQERAQIAQVWDLIAGHEAQFGAELLLRLFTVYPSTKVYFPHLS-ACODA P02042 HBD HUMAN P09105 HBAT HUMAN Q6BO9 HBM HUMAN 5 Natural variant Initiator methionine Sequence conflict 60 EDLKKHGATVLTALGGILKKKGHHEAEIKPLAQSHATKHKIPVKYLEFISECIIQVLQSK 59 PKVKAHGKKVLTSLGDAIKHLDDLKGTFAOLSELHCDKLHVDPENFKLLGNVLVTVLAIH 59 PKVKAHGKKVLGAFSDGLAHLDNLKGTFATLSELHCDKLHVDPENFRLLGNVLVCVLAHEH 54 AQVKGHGKKVADALTNAVAHVDDMPNALSALSDLHAHKLRVDPVNFKLLSHCLLVTLAAH 59 PKVKAHGKKVLGAFSDGLAHLDNLKGTFSOLSELHCDKLHVDPENFRLLGNVLVCVLARN P68871 HBB HUMAN P69905 HBA HUMAN 0 PO2008 HBAZ HUMAN 59 PKVKAHGKKVLTSFGDAIKNMDNLKPAFAKLSELHCDKLHVDPENFKLLGNVMVIILATH 54 SQVRAHGQKVADALSLAVERLDDLPHALSALSHLHACOLRVDPASFOLLGHCLLVTLARH 120 HPGDFGADAQGAMNKALELFRKDMASNYKELGFOG 119 FGKEFTPEVQASHQKMVTAVASALSSRYH_ 119 FGKEFTPPVQAAYOKVVAGVANALAHKYH-- 114 LPAEFTPAVHASLDKFLASVSTVLTSKYR- 119 FGKEFTPOMOAAYOKVVAGVANALAHKYH- 114 FPADFTAEAHAAWDKFLSVVSSVLTEKYR- 119 FGKEFTPEVOAAWOKLVSAVAIALAHKYH-- 114 YPGDFSPALOASLDKFLSHVISALVSEYR-- 113 LODEFTVOMOAAWDKFLTGVAVVLTEKYR-- P69891 HBGI HUMAN Amino acid properties You may add additional sequences to this alignment (in FASTA format)Explanation / Answer
Answer: (d) the ability to form hydrogen bonds
Explanation:
Charged amino acid side chains can form ionic bonds, and polar amino acids are capable of forming hydrogen bonds. Polar amino acids include serine, threonine, asparagine, glutamine, histidine and tyrosine.
The conserved residues corresponding to 119 (Lys, K) are either histidine or asparagine (in majority of the cases), which imparts it with the potency to form hydrogen bonds.
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