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PKS4

Gene
PKS4
Protein
Protein PHYTOCHROME KINASE SUBSTRATE 4
Organism
Arabidopsis thaliana
Length
406 amino acids
Function
Modulates phytochrome-mediated control of hypocotyl growth orientation. Involved in PHYA and PHYB signaling. Acts as an inhibitor of asymmetric growth. Not involved in the control of leaf flattening.
Similarity
Belongs to the PKS family.
Mass
44.458 kDa
Sequence
MAQTTVTVVATKRDALDPYIKILQNRSNDIDVSFSSYLKPDNNEQQQKENEDTELSIFEARSYFSENGSNDSRCQTRNLSGPRFSSVASAKVSSFTVGQTASSEASWNSQTGLLSNKNRQGSDRDGRRSSKKGPRWFFRRRACPCSSSKSVQVQESKPRIAVPKTGSDRIVSNRIVHSHQTISSPEPIRLTIPSNTVTRSIDYTANKEARAPVSNFSFPTLNETSQLSENPKNPVLNHIKPVRIEPALLPIKPVLNPTSPKGVIIDEEATSDASSDLFEIESFSTQTAARPWAPPVRDSMEETVSEYGYEPSEASVTWSVMTAEPASAVAANFSRIALSSSSTAFSGYDKKRTGLLNCHCEKAVMVNGDKRLVQPVKSVGVQNDVAGKVLCNNGSSKLSVTSRPRQ

Gene
PKS4
Protein
Octaketide synthase 2
Organism
Aloe arborescens
Length
403 amino acids
Function
Catalyzes the iterative condensations of 8 molecules of malonyl-CoA to produce aromatic octaketides, SEK4 and SEK4b, the products of the minimal polyketide synthase for the benzoisochromanequinone actinorhodin. May be involved in the biosynthesis of the octaketide barbaloin.
Similarity
Belongs to the thiolase-like superfamily. Chalcone/stilbene synthases family.
Mass
44.385 kDa
Sequence
MGSLSNYSPVMEDVQAIRKAQKADGTATVMAIGTAHPPHIFPQDTYADFYFRATNSEHKVELKKKFDRICKKTMIGKRYFNYDEEFLKKYPNITSFDEPSLNDRQDICVPGVPALGAEAAVKAIAEWGRPKSEITHLVFCTSCGVDMPSADFQCAKLLGLRTNVNKYCVYMQGCYAGGTVMRYAKDLAENNRGARVLVVCAELTIIGLRGPNESHLDNAIGNSLFGDGAAALIVGSDPIIGVERPMFEIVCAKQTVIPNSEDVIHLHMREAGLMFYMSKDSPETISNNVEACLVDVFKSVGMTPPEDWNSLFWIPHPGGRAILDQVEARLKLRPEKFGATRTVLWDCGNMVSACVLYILDEMRRKSVADGLATYGEGLEWGVLLGFGPGMTVETILLHSLPPV

Gene
PKS4
Protein
Polyketide synthase 4
Organism
Rubus idaeus
Length
383 amino acids
Function
Bifunctional polyketide synthase producing both 4-hydroxybenzalacetone and naringenin chalcone. Can use p-coumaryl-CoA and ferulyl-CoA as substrates. Catalyzes the initial key reaction step in the biosynthesis of phenylbutanoids.
Similarity
Belongs to the thiolase-like superfamily. Chalcone/stilbene synthases family.
Mass
42.256 kDa
Sequence
MVTVEEVRKAQRAEGPATVLAIGTATPPNCVGQSTYPDYYFRITNSEHKIELKQKFQRMCDKSMIKKRYMYLTEEILKENPSMCEYMAPSLDARQDMVIVEIPKLGKEAATKAIKEWGQPKSKITHLVFCTTSGVDMPGADYQLIKLFGLRPSVKRLMMYQQGCFAGGTVLRLAKDLAENNRGARVLVVCSEITVVTFRGPSDTHLDCLVGQALFGDGVASIIVGADPLPEIEKPLFELVSAAQTILPDSEGAIEGHLREVGLTFHLLENVPALISKNIEKSLNETFKPLDIMDWNSLFWIAHPGGPAILDQVEAKLGLKPEKLEATGHILSEYGNMSSACVLFILDVVRRKSAANGVTTRILSIGQISKSLLILAWFLFSLV