>1U9Z_1|Chains A, B, C, D|Ribose-phosphate pyrophosphokinase|Methanocaldococcus jannaschii (2190)
MIVVSGSQSQNLAFKVAKLLNTKLTRVEYKRFPDNEIYVRIVDEINDDEAVIINTQKNQNDAIVETILLCDALRDEGVKKITLVAPYLAYARQDKKFNPGEAISIRALAKIYSNIVDKLITINPHETHIKDFFTIPFIYGDAVPKLAEYVKDKLNDPIVLAPDKGALEFAKTASKILNAEYDYLEKTRLSPTEIQIAPKTLDAKDRDVFIVDDIISTGGTMATAVKLLKEQGAKKIIAACVHPVLIGDALNKLYSAGVEEVVGTDTYLSEVSKVSVAEVIVDLL