同源框

現有可用的蛋白結構：
Pfam	結構 / ECOD
PDB	RCSB PDB; PDBe; PDBj
PDBsum	結構概要
PDB	1ahd, 1akh, 1apl, 1au7, 1b72, 1b8i, 1bw5, 1cqt, 1du0, 1du6, 1e3o, 1enh, 1f43, 1fjl, 1ftt, 1ftz, 1gt0, 1hdd, 1hdp, 1hf0, 1hom, 1ic8, 1ig7, 1jgg, 1k61, 1kz2, 1le8, 1lfb, 1lfu, 1mh3, 1mh4, 1mnm, 1nk2, 1nk3, 1o4x, 1ocp, 1oct, 1p7i, 1p7j, 1pog, 1puf, 1qry, 1s7e, 1san, 1uhs, 1vnd, 1wi3, 1x2m, 1x2n, 1yrn, 1yz8, 1zq3, 1ztr, 2cqx, 2cra, 2cue, 2cuf, 2dmq, 2e1o, 2ecb, 2ecc, 2h8r, 2hdd, 2hi3, 2hoa, 2jwt, 2lfb, 2p81, 2r5y, 2r5z, 3hdd, 9ant

Homeodomain
	The Antennapedia homeodomain protein from Drosophila melanogaster bound to a fragment of DNA.[1] The recognition helix and unstructured N-terminus are bound in the major and minor grooves respectively.
鑑定
標誌	同源框结构域（Homeodomain）
Pfam	PF00046
Pfam宗系	CL0123
InterPro	IPR001356
SMART	SM00389
PROSITE	PDOC00027
SCOP	1ahd / SUPFAM
現有可用的蛋白結構：
Pfam	結構 / ECOD
PDB	RCSB PDB; PDBe; PDBj
PDBsum	結構概要
PDB	1ahd, 1akh, 1apl, 1au7, 1b72, 1b8i, 1bw5, 1cqt, 1du0, 1du6, 1e3o, 1enh, 1f43, 1fjl, 1ftt, 1ftz, 1gt0, 1hdd, 1hdp, 1hf0, 1hom, 1ic8, 1ig7, 1jgg, 1k61, 1kz2, 1le8, 1lfb, 1lfu, 1mh3, 1mh4, 1mnm, 1nk2, 1nk3, 1o4x, 1ocp, 1oct, 1p7i, 1p7j, 1pog, 1puf, 1qry, 1s7e, 1san, 1uhs, 1vnd, 1wi3, 1x2m, 1x2n, 1yrn, 1yz8, 1zq3, 1ztr, 2cqx, 2cra, 2cue, 2cuf, 2dmq, 2e1o, 2ecb, 2ecc, 2h8r, 2hdd, 2hi3, 2hoa, 2jwt, 2lfb, 2p81, 2r5y, 2r5z, 3hdd, 9ant

同源（异形）框（英語：），或稱「同源匣」是某些影響動物、真菌及植物發育的基因所擁有的一段DNA序列，擁有同源框的基因稱作同源异形基因，統稱同源异形基因家族。

這段序列之長度約180個核苷酸，能轉錄出一段蛋白質结构域，稱為同源框结构域。

參考文獻

PDB 1AHD; Billeter M, Qian YQ, Otting G, Müller M, Gehring W, Wüthrich K. . Journal of Molecular Biology. Dec 1993, 234 (4): 1084–93. PMID 7903398. doi:10.1006/jmbi.1993.1661.

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