Homeobox protein Hox-7.1 Homeobox protein Hox-D3 (Fragment) HOX-7.1 HXD3_SHEEP HOXD3 46 Sequence-specific transcription factor which is part of a developmental regulatory system that provides cells with specific positional identities on the anterior-posterior axis (By similarity). RGPDAPGPASKRVRTAYTSAQLVELEKEFHFNRYLWRRRRVEMANP