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Echinobase
ECB-ART-37940
Gene 2001 Sep 05;2751:177-83. doi: 10.1016/s0378-1119(01)00661-8.
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Molecular cloning and characterization of a thioredoxin/nucleoside diphosphate kinase related dynein intermediate chain from the ascidian, Ciona intestinalis.

Padma P , Hozumi A , Ogawa K , Inaba K .


Abstract
Flagellar outer arm dynein from the ascidian, Ciona intestinalis, contains five intermediate chains (IC1-5). Molecular cloning of C. intestinalis IC3 shows significant sequence homology to the dynein intermediate chain (IC1) from sea urchin and human NM23-H8 protein. The N-terminal thioredoxin-related region is well conserved in the C. intestinalis IC3, sea urchin IC1, and human NM23-H8 protein. Three NDP kinase (NDPK)-related sequences are present in middle portions of both C. intestinalis IC3 and sea urchin IC1, but the human NM23-H8 protein had only two. A large part of the C-terminal glutamic acid-rich region present in sea urchin IC1 was greatly reduced in C. intestinalis IC3 and completely lost in human NM23-H8. Thus, thioredoxin/NDPK-related dynein intermediate chains (TNDK-DIC) would be a characteristic of metazoan flagella and they have become smaller in size and less acidic during evolution.

PubMed ID: 11574167
Article link: Gene


Genes referenced: dnah3 LOC100887844 LOC115925415