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IQSEC1 Q6DN90

含IQ基序和SEC7结构域蛋白1 (ADP-核糖基化因子鸟嘌呤核苷酸交换蛋白100) (ADP-核糖基化因子鸟嘌呤核苷酸交换蛋白2) (布雷菲尔德菌素抗性Arf-GEF 2蛋白) (BRAG2)

蛋白质信息 (UniProt)

含IQ基序和SEC7结构域蛋白1 (ADP-核糖基化因子鸟嘌呤核苷酸交换蛋白100) (ADP-核糖基化因子鸟嘌呤核苷酸交换蛋白2) (布雷菲尔德菌素抗性Arf-GEF 2蛋白) (BRAG2)

Q6DN90

功能描述

ARF1和ARF6的鸟嘌呤核苷酸交换因子 (PubMed:11226253, PubMed:24058294)。鸟嘌呤核苷酸交换因子活性因脂质结合而增强 (PubMed:24058294)。加速所有三类ARF的GTP结合。ARF6的鸟嘌呤核苷酸交换蛋白,介导beta-1整合蛋白的内化 (PubMed:16461286)。参与神经元发育 (Probable)。在神经元中,在内吞货物控制囊泡形成过程中发挥作用。在长时程抑制后,与GRIA2相互作用并介导ARF6的激活以内化突触AMPAR受体 (By similarity)。 {ECO:0000250|UniProtKB:A0A0G2JUG7, ECO:0000269|PubMed:11226253, ECO:0000269|PubMed:16461286, ECO:0000269|PubMed:24058294, ECO:0000305|PubMed:31607425}。

组织特异性

Expressed in brain, ovary, heart, lung, liver, kidney and leukocytes. Moderate expression was also detected in lung, skeletal muscle, placenta, small intestine, pancreas, spleen and testis.

亚细胞定位

Cytoplasm

关键词

3D-structure Alternative splicing Coiled coil Cytoplasm Cytoplasmic vesicle Dwarfism Guanine-nucleotide releasing factor Intellectual disability Lipid-binding Nucleus