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GLK1

Gene
GLK1
Protein
Glucokinase-1
Organism
Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Length
500 amino acids
Function
Two isoenzymes, hexokinase-1 and hexokinase-2, can phosphorylate keto- and aldohexoses in yeast, whereas a third isoenzyme, GLK, is specific for aldohexoses. All glucose phosphorylating enzymes are involved in glucose uptake.
Similarity
Belongs to the hexokinase family.
Mass
55.377 kDa
Sequence
MSFDDLHKATERAVIQAVDQICDDFEVTPEKLDELTAYFIEQMEKGLAPPKEGHTLASDKGLPMIPAFVTGSPNGTERGVLLAADLGGTNFRICSVNLHGDHTFSMEQMKSKIPDDLLDDENVTSDDLFGFLARRTLAFMKKYHPDELAKGKDAKPMKLGFTFSYPVDQTSLNSGTLIRWTKGFRIADTVGKDVVQLYQEQLSAQGMPMIKVVALTNDTVGTYLSHCYTSDNTDSMTSGEISEPVIGCIFGTGTNGCYMEEINKITKLPQELRDKLIKEGKTHMIINVEWGSFDNELKHLPTTKYDVVIDQKLSTNPGFHLFEKRVSGMFLGEVLRNILVDLHSQGLLLQQYRSKEQLPRHLTTPFQLSSEVLSHIEIDDSTGLRETELSLLQSLRLPTTPTERVQIQKLVRAISRRSAYLAAVPLAAILIKTNALNKRYHGEVEIGCDGSVVEYYPGFRSMLRHALALSPLGAEGERKVHLKIAKDGSGVGAALCALVA

Gene
GLK1
Protein
Glucokinase-1
Organism
Kluyveromyces lactis (strain ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37)
Length
481 amino acids
Function
Glukokinase specific for aldohexoses. Phosphorylates glucose and mannose, but not fructose.
Similarity
Belongs to the hexokinase family.
Mass
53.757 kDa
Sequence
MSDPKLTKAVDSICDQFIVTKSKISQLTEYFIDCMEKGLEPCESDISQNKGLPMIPTFVTDKPSGQEHGVTMLAADLGGTNFRVCSVELLGNHEFKIEQEKSKIPTFFFQDDHHVTSKDLFQHMALITHQFLTKHHKDVIQDYKWKMGFTFSYPVDQTSLSSGKLIRWTKGFKIGDTVGQDVVQLFQQELNDIGLSNVHVVALTNDTTGTLLARCYASSDAARAINEPVIGCIFGTGTNGCYMEKLENIHKLDPASREELLSQGKTHMCINTEWGSFDNELNHLPTTSYDIKIDQQFSTNPGFHLFEKRVSGLYLGEILRNILLDLEKQELFDLKESVLKNNPFILTTETLSHIEIDTVENDLQDTRDALLKAADLETTFEERVLIQKLVRAISRRAAFLAAVPIAAILIKTNALNQSYHCQVEVGCDGSVVEHYPGFRSMMRHALALSPIGPEGERDVHLRISKDGSGVGAALCALHANY

Gene
GLK1
Protein
Probable transcription factor GLK1
Organism
Oryza sativa subsp. japonica
Length
455 amino acids
Function
Probable transcriptional activator that promotes chloroplast development. Acts as an activator of nuclear photosynthetic genes involved in chlorophyll biosynthesis, light harvesting, and electron transport.
Mass
48.515 kDa
Sequence
MLAVSPAMCPDIEDRAAVAGDAGMEVVGMSSDDMDQFDFSVDDIDFGDFFLRLEDGDVLPDLEVDPAEIFTDFEAIATSGGEGVQDQEVPTVELLAPADDVGVLDPCGDVVVGEENAAFAGAGEEKGGCNQDDDAGEANVDDGAAAVEAKSSSPSSTTSSSQEAESRHKSSSKSSHGKKKAKVDWTPELHRRFVQAVEQLGIDKAVPSRILEIMGIDSLTRHNIASHLQKYRSHRKHMIAREAEAASWTQRRQIYAAGGGAVAKRPESNAWTVPTIGFPPPPPPPPSPAPIQHFARPLHVWGHPTMDPSRVPVWPPRHLVPRGPAPPWVPPPPPSDPAFWHHPYMRGPAHVPTQGTPCMAMPMPAARFPAPPVPGVVPCPMYRPLTPPALASKNQQDAQLQLQVQPSSESIDAAIGDVLSKPWLPLPLGLKPPSVDSVMGELQRQGVANVPPACG

Gene
GLK1
Protein
Transcription activator GLK1
Organism
Arabidopsis thaliana
Length
420 amino acids
Function
Transcriptional activator that functions with GLK2 to promote chloroplast development. Acts as an activator of nuclear photosynthetic genes involved in chlorophyll biosynthesis, light harvesting, and electron transport. Acts in a cell-autonomous manner to coordinate and maintain the photosynthetic apparatus within individual cells. May function in photosynthetic capacity optimization by integrating responses to variable environmental and endogenous cues (PubMed:11828027, PubMed:12220263, PubMed:17533111, PubMed:18643989, PubMed:19376934, PubMed:19383092, PubMed:19726569). Prevents premature senescence (PubMed:23459204).
Mass
45.988 kDa
Sequence
MLALSPATRDGCDGASEFLDTSCGFTIINPEEEEEFPDFADHGDLLDIIDFDDIFGVAGDVLPDLEIDPEILSGDFSNHMNASSTITTTSDKTDSQGETTKGSSGKGEEVVSKRDDVAAETVTYDGDSDRKRKYSSSASSKNNRISNNEGKRKVKVDWTPELHRRFVEAVEQLGVDKAVPSRILELMGVHCLTRHNVASHLQKYRSHRKHLLAREAEAANWTRKRHIYGVDTGANLNGRTKNGWLAPAPTLGFPPPPPVAVAPPPVHHHHFRPLHVWGHPTVDQSIMPHVWPKHLPPPSTAMPNPPFWVSDSPYWHPMHNGTTPYLPTVATRFRAPPVAGIPHALPPHHTMYKPNLGFGGARPPVDLHPSKESVDAAIGDVLTRPWLPLPLGLNPPAVDGVMTELHRHGVSEVPPTASCA