Prolyl 4-hydroxylase, transmembrane XCKPRGICSR AYFLVLMVFV HLYLGNVLAL LLFVHYSNGD ESSDPGPQHR AQGPGPEPTL GPLTRLEGIK VGHERKVQLV TDRDHFIRTL SLKPLLFEIP GFLTDEECRL IIHLAQMKGL QRSQILPTEE YEEAMSTMQV LAQTRLGNGW WMTPESIQEM YAAIKADPDG DGVLSLQEFS NMDLRDFHKY MRSHKAESSE LVRNSHHTWL YQGEGAHHIM RAIRQR