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IRX4

Gene
IRX4
Protein
Iroquois-class homeodomain protein IRX-4
Organism
Homo sapiens
Length
519 amino acids
Function
Likely to be an important mediator of ventricular differentiation during cardiac development.
Similarity
Belongs to the TALE/IRO homeobox family.
Mass
54.445 kDa
Sequence
MSYPQFGYPYSSAPQFLMATNSLSTCCESGGRTLADSGPAASAQAPVYCPVYESRLLATARHELNSAAALGVYGGPYGGSQGYGNYVTYGSEASAFYSLNSFDSKDGSGSAHGGLAPAAAAYYPYEPALGQYPYDRYGTMDSGTRRKNATRETTSTLKAWLQEHRKNPYPTKGEKIMLAIITKMTLTQVSTWFANARRRLKKENKMTWPPRNKCADEKRPYAEGEEEEGGEEEAREEPLKSSKNAEPVGKEEKELELSDLDDFDPLEAEPPACELKPPFHSLDGGLERVPAAPDGPVKEASGALRMSLAAGGGAALDEDLERARSCLRSAAAGPEPLPGAEGGPQVCEAKLGFVPAGASAGLEAKPRIWSLAHTATAAAAAATSLSQTEFPSCMLKRQGPAAPAAVSSAPATSPSVALPHSGALDRHQDSPVTSLRNWVDGVFHDPILRHSTLNQAWATAKGALLDPGPLGRSLGAGANVLTAPLARAFPPAVPQDAPAAGAARELLALPKAGGKPFCA

Gene
Irx4
Protein
Iroquois-class homeodomain protein IRX-4
Organism
Mus musculus
Length
515 amino acids
Function
Likely to be an important mediator of ventricular differentiation during cardiac development.
Similarity
Belongs to the TALE/IRO homeobox family.
Mass
54.701 kDa
Sequence
MSYPQFGYPYSSAPQFLMTTNSLSTCCESGGRTLADSGPAASAQAPVYCPVYESRLLATARHELNSAAALGVYGSPYGSSQGYGNYVTYGSEASAFYSLNSFESKDGTGSSHAGLPPTAAAAYYPYEPALSQYPYDRYGTVDSGTRRKNATRETTSTLKAWLQEHRKNPYPTKGEKIMLAIITKMTLTQVSTWFANARRRLKKENKMTWPPRNKCADEKRPYGEGEEEEAGEEESREEPLKSAKSEGHAGKDDKELELSDLEDFDPLDAETSECELKTPFQSLDSGPERIPASSDGPGTGKEASTTLRMPLGTAGGAVMDGDLERARNCLRSTVVVPDSGAEGGPPACEAKLTFAQAGAPPNLETKPRIWSLAHTATAAAATALSQTEFPSCMLKRQGPTGVSATTPASSPAVTAPSGALDRHQDSPVTSLRNWVDGVFHDPILRHSTLNQAWATAKGALLDPGPLGRNLGAGTNVLTTPLACSFPPTVPQDVPPAGASRELLATPKAGGKPFCT

Gene
irx4
Protein
Iroquois-class homeodomain protein irx-4
Organism
Xenopus tropicalis
Length
496 amino acids
Function
Acts partially redundantly with other irx members in neural patterning. Required for formation of the posterior forebrain, midbrain, hindbrain, and to a lesser extent, spinal cord. Patterns the neuroectoderm in both the anterior/posterior and dorsal/ventral axes. Does not appear to play a role in pronephros kidney development.
Similarity
Belongs to the TALE/IRO homeobox family.
Mass
55.393 kDa
Sequence
MSYPQFGYPYSSTPQFLMTTNSLSTCCESSGRSLSDSAAAASAQTPVYCPVYESRLLATARHELNSAAALGVYGSPYTSTQGYGNYVTYGADASAFYSLNAFESKDGTGSAHAGIPQTAAYYPYEHTLSQYQYDRYGTMDGSTRRKNATRETTSTLKAWLQEHRKNPYPTKGEKIMLAIITKMTLTQVSTWFANARRRLKKENKMTWPPRNKCSDEKRPYDEEEEEEEEEDSQKATIKNEKKIVDEEVAREDKALDLSDLEDFDAIESESSECELKQPFHHQPQDGHQLRQRDCVNDHCKDVILKMPITPAANQELDRTKICHKPGVDQCEQEVLRGRQRGGESKACFQQQQILDSKPRIWSLAHTATSLNQTEYPSCMLKHQGLSSPSSSSSSSAVSTPVCVIDRRQDSPVTSLRNWVDGVFHDPLFRHSTLNQALTNTTVSWATTKGTLIDSGSLGRSVGNPTNAIKGQLPNIPHDTNKEFIAFQKSGSKMFCS

Gene
IRX4
Protein
Iroquois-class homeodomain protein IRX-4
Organism
Gallus gallus
Length
485 amino acids
Function
Regulates the chamber-specific expression of myosin isoforms by activating the expression of the ventricle myosin heavy chain-1 (Vmhc1) and suppressing the expression of the atrial myosin heavy chain-1 (Amhc1) in the ventricles. May play a critical role in establishing chamber-specific gene expression in the developing heart.
Similarity
Belongs to the TALE/IRO homeobox family.
Mass
52.774 kDa
Sequence
MSYPQFGYPYSSAPQFLMSTNSLTPCCESGGRTLPESGPAAPAQTPVYCPVYESRLLATARHELNSAAALGVYGGPYGGPQGYGNYVTYGTEAPAFYSLNTLEAKDGGGSAHAGISPAAAYYPYEHSLSQYQYDRYGAMDGGTRRKNATRETTSTLKAWLQEHRKNPYPTKGEKIMLAIITKMTLTQVSTWFANARRRLKKENKMTWPPRNKCSDEKRPYEEEEEEEEECSQEDAMKSEKAEEPTGKEEKELELSDLEDLDAAESESSECEMRRPFPHPHPHPLPGGGPPPRAAEPPAAAAEEEEEEAAERARGCLKPAAEECEAALLGARPRGCEAKLCFPQGQPLLEAKPRIWSLAHTATSLNQAEYPSCMLKRSGGSAAAAVSAPVSVMDRHQDSPVTNLRNWVDGVFHDPLFRHSTLNQALSNTTVSWATTKGAILETGALGRSVGNGANVLKGQLANLAHQDSSKEFLAFPKAGSKMFCS