THE SEQUENCE OF A CYTOPLASMIC INTERMEDIATE FILAMENT (IF) PROTEIN FROM THE ANNELID LUMBRICUS-TERRESTRIS EMPHASIZES A DISTINCTIVE FEATURE OF PROTOSTOMIC IF PROTEINS

被引：13

作者：

BOVENSCHULTE, M ^{[1
]}

RIEMER, D ^{[1
]}

WEBER, K ^{[1
]}

机构：

[1] MAX PLANCK INST BIOPHYS CHEM,DEPT BIOCHEM,D-37018 GOTTINGEN,GERMANY

来源：

FEBS LETTERS | 1995年 / 360卷 / 03期

关键词：

EVOLUTION; INTERMEDIATE FILAMENT; LAMIN; PROTOSTOMIA; VERTEBRATE;

D O I：

10.1016/0014-5793(95)00108-L

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

The complete cDNA clone for a cytoplasmic intermediate filament (IF) protein from the annelid Lumbricus terrestris reported here, shows an extra 42 residues in the coil 1b subdomain of the central rod, as do the IF proteins from nematodes and molluscs. These extra six heptads are also present in all nuclear lamins but not in any known vertebrate cytoplasmic IF protein. Thus, it seems that protostomic metazoa conserve a lamin-like structural element in their cytoplasmic IF proteins, which was lost in the deuterostomic metazoan branch leading to the vertebrates.

引用

页码：223 / 226

页数：4

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