Sulfur-poor seed storage protein. 105 QPQQSYPVQPQQPFPQPQPVPQQRPQQASPLQPQQPFPQGSEQIIPQQPFPLQPQPFPQQPQQPLPQPQQPFRQQAELIIPQQPQQPLPLQPHQPYTQQTIWSMV PCP387 HOR7_HORVU C-hordein (Fragment)