>sp|P0A3L7|KHSE_STRPN Homoserine kinase OS=Streptococcus pneumoniae serotype 4 GN=thrB MKIIVPATSANIGPGFDSVGVAVTKYLQIEVCEERDEWLIEHQIGKWIPHDERNLLLKIA LQIVPDLQPRRLKMTSDVPLARGLGSSSSVIVAGIELANQLGQLNLSDHEKLQLATKIEG HPDNVAPAIYGNLVIASSVEGQVSAIVADFPECDFLAYIPNYELRTRDSRSVLPKKLSYK EAVAASSIANVAVAALLAGDMVTAGQAIEGDLFHERYRQDLVREFAMIKQVTKENGAYAT YLSGAGPTVMVLASHDKMPTIKAELEKQPFKGKLHDLRVDTQGVRVEAK