Sequence alignment between 9khh(E) and UniProt seq Q00604 (NDP_HUMAN):

Q00604 (NDP_HUMAN): Norrin from Homo sapiens
                 10        20        30        40        50        60        70        80        90       100       110       120       130   
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---
UniProt: MRKHVLAASFSMLSLLVIMGDTDSKTDSSFIMDSDPRRCMRHHYVDSISHPLYKCSSKMVLLARCEGHCSQASRSEPLVSFSTVLKQPFRSSCHCCRPQTSKLKALRLRCSGGMRLTATYRYILSCHCEECNS
         ................................................................................................................X....................
PDB seq: ---------------------------------SDPRRCMRHHYVDSISHPLYKCSSKMVLLARCEGHCSQASRSEPLVSFSTVLKQPFRSSCHCCRPQTSKLKALRLRCSG-MRLTATYRYILSCHCEECN-
                                          ------+---------+---------+---------+---------+---------+---------+---------+-- ------+---------+-- 
                                               40        50        60        70        80        90       100       110       120       130