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GIP1

Gene
GIP1
Protein
Multicopper oxidase GIP1
Organism
Gibberella zeae (strain PH-1 / ATCC MYA-4620 / FGSC 9075 / NRRL 31084)
Length
677 amino acids
Function
Multicopper oxidase; part of the gene cluster that mediates the biosynthesis of aurofusarin, a red mycelium pigment which is acting as a mycotoxin (PubMed:15811992, PubMed:15809006, PubMed:16879655). The first step is performed by the polyketide synthase which condenses one acetyl-CoA and 6 malonyl-CoA units to form the first intermediate, the cyclic heptaketide and yellow pigment YWA1 (PubMed:21296881, PubMed:23557488). The C2 hydroxyl group in the pyrone ring of YWA1 is probably formed during ring closure by an aldol-type cyclization reaction (PubMed:21296881). The dehydratase aurZ then acts as the first tailoring enzyme in the aurofusarin biosynthetic pathway by converting YWA1 to nor-rubrofusarin (PubMed:21296881, PubMed:23557488). Nor-rubrofusarin is then methylated to rubrofusarin by the O-methyltransferase aurJ (PubMed:21296881, PubMed:23557488). Rubrofusarin is then transported across the plasma membrane by the rubrofusarin-specific pump aurT for further enzymatic processing by the extracellular complex composed of GIP1, aurF, aurO and aurS to yield aurofusarin (PubMed:21296881).
Similarity
Belongs to the multicopper oxidase family.
Mass
75.31 kDa
Sequence
MLTSPRLILLLLAWVFSALVASALVKKDWTITWEPGAPNGQERNMIKINNQFPGPTILCDEDDDIEVTVHNKMPFNTTVHWHGLERVNCVRMMGTPWSDGTPGMSQKPIEMGQSFIYRFKASPAGTHWYHSHSRATVLDGLYGPIFIRRKPDAPAPWHLISKEQADIDAMSRAVIDPKLVMVSDWTRFMSWEYMAAEESSGMAIFCSDSILVNGKGSLYCPDVDVLINHTSTYMKYGLYPRQVNDKGCFPFMRSTQGPYLTTGKPETIPLHLQHGCTPAEGTNETIEVDPADQWASLNFIGGATFKTIVFSVDEHDMWVYEVDGHYIVPQRVNTVHMYAGERYAVMIKLDKTPKDYTIRVADSGLTQVISAFATLRYKGGIQGSDSVGVIDYGGQNSTKDGSVITLDREHLPPYPPNPPARKADAMHVLSTHRWKSAWQYTMSGHGMYEEDRSAYGPLLYDPHSADAMDEGLVIRTKNGSWVDLVLQVGSLPGQPQEFPHMMHKHTGKTWQIGSGMGIWNYSSVEEAIAAEPHNFDLDTPKWRDTFVTSFDGSAWIVLRYQVTNPGPWLFHCHIETHLAGGMAIAILDGIDVWPQIPAEYGPDQRGFMPGTLPELESGGKQGTVDKQCPLLAVSPSGGPKKDSGETSASDSRWETLIRGLIQVLQGWLSDEASSRSS

Gene
GIP1
Protein
GLC7-interacting protein 1
Organism
Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Length
639 amino acids
Mass
73.355 kDa
Sequence
METILQPKARPFESLKRKRFREWLRPSTAHGSLLHSDTLDLRDFAKPNPADTFSNLDSGHCPLVTTPIKYECPDGKSSFFRGDTKFETLFSNRKFYEFKDNLKRGLKKIRHGRNGHQSEKRCPVVEETKKSVSDNLDKPDNNTPCFDRFHTNSKEFETQFDHSNRSQNSEKAYLDNESCWNLSEKFIPFNNLKYEDLKHFEENLQSLAPATFTPIESNESLDRSDSTRGTKRSIRNDSSDTTSEKRLCLKQYSDEPESDHSMESTPSIYITKEVQERIEALSSTDSFLIEKVDFPSNKIGSSASDYESDNEYRNMDEDSINDVTTEKEGNVVIPDSNTSTVDAMEKPIEVSSALKDDTLDKDIDDASSSYSDDVETTFEPVESEELSDLSDTSSSGSSKIYTIPTFRGLTNRTNISQILSKVGKADLSQDNLTHLIKSHQKKKRCVNFRNKRFYDAFNPYVDNEEDAELSDSENISEMDTDLCIKDRSTSSVRFDENSRLLIYKKSKKLNKDETQSGYSTTEMRSILKTKMNSQHDEESQRASKCDTVGVAQFLHYFQYTEYKRQRNEAENYRLRGEQLSKYYSEEYPLDFAAVECEDSVNDKSDIILSMRATERNIGRQLKGISSQGAQIISLDEDVF

Gene
GIP1
Protein
GBF-interacting protein 1
Organism
Arabidopsis thaliana
Length
567 amino acids
Function
Plant specific protein that enhances G-box-binding factor (GBF) DNA binding activity. May function as a nuclear chaperone or lever and regulate the multimeric state of GBFs. May contribute to bZIP-mediated gene regulation. Is able to refold denatured rhodanese in vitro (PubMed:16117846, PubMed:25387999). Reduces DNA-binding activity of BZIP16, BZIP68 and GBF1 under non-reducing conditions through direct physical interaction. Act as negative co-regulator in red and blue light-mediated hypocotyl elongation. Functions to promote hypocotyl elongation during the early stages of seedling development by regulating the repression effect by BZIP16 and the activation effect by BZIP68 and GBF1 on LHCB2.4 expression (PubMed:25387999). Enhances transcriptional activity of LBD18 in the EXP14 promoter. May act as a transcriptional coactivator of LBD18 (PubMed:24484953).
Similarity
Belongs to the GIP1 family.
Mass
61.812 kDa
Sequence
MSRISGDGGSRVSIPADLLQTIQNIREVTGKQHSDEDIFSVFKECFSDPHETTQKLLYLDTFHEVRSKRERKKENLVPNTQGRGRTGRKNFASSYTDASNGRSAAFKKQSGANHIIGGSGTASSAPNNARNDTKPSSIMAPNPISLPSGISNQKIQDAIISPVDKVDTEEQPLSKATSSSKDVVEPDKSKESSVSVAVSDSVVENDTQYAVVETFQIPQQSERVIKSEVAASKCKNESLLKSDVGERPHVTFPVHIQVAKMLENGLTFGSFDSNFVREASSDKFTIGCDDSNIESSHGTAASARKDISTFSQDKNHEISNSAAQNELTLQPDQTVLPEEGSEGDKVKNEVLPITDTHQAAKCDAPPISYPDQYSLAAAQQAMHLYRQQYSLNYFPYGPYFPPYYMPQPYIHQYLSPNGFQQQSYLPPGDDAPAPPGAELPLTHIKPGSDIGNSPPTTIPFSYTSYAFNHIPSAATINATHKEEKKENMYTTGPLSLANLQASPMYNLSLQGQPIAFPTMQAGIRGLYQQTQPILAPLSISARTEPIGPSHVTNQQPQAARTNLGNNY

Gene
GIP1
Protein
Mitotic-spindle organizing protein 1B
Organism
Arabidopsis thaliana
Length
71 amino acids
Function
Required for gamma-tubulin complex recruitment to the centrosome (By similarity). During mitosis, modulates gamma-tubulin complex localization, spindle stability and chromosomal segregation. Necessary for gametophyte development and embryogenesis.
Similarity
Belongs to the MOZART1 family.
Mass
7.835 kDa
Sequence
MDEEASRTARESLELVFRMSNILDTGLDRHTLSVLIALCDLGVNPEALATVVKELRRESIPDSVTTTPSIH