>4BTB_2|Chain B[auth C]|POLY PROLINE PEPTIDE|SYNTHETIC CONSTRUCT (32630)
PPPPPPPPP
>4BTB_1|Chain A|PROLYL 4-HYDROXYLASE SUBUNIT ALPHA-1|HOMO SAPIENS (9606)
MHPGFFTSIGQMTDLIHTEKDLVTSLKDYIKAEEDKLEQIKKWAEKLDRLTSTATKDPEGFVGHPVNAFKLMKRLNTEWSELENLVLKDMSDGFISNLTIQRQYFPNDEDQVGAAKALLRLQDTYNLDTDTISKGNLPGVKHKSFLTAEDCFELGKVAYTEADYYHTELWMEQALRQLDEGEISTIDKVSVLDYLSYAVYQQGDLDKALLLTKKLLELDPEHQRANGNLKYFEYIMAKE