>sp|P22291|SULD_STRPN Bifunctional folate synthesis protein OS=Streptococcus pneumoniae serotype 4 GN=sulD MDQLQIKDLEMFAYHGLFPSEKELGQKFVVSAILSYDMTKAATDLDLTASVHYGELCQQW TTWFQETSEDLIETVAYKLVERTFEFYPLVQEMKLELKKPWAPVHLSLDTCSVTIHRRKQ RAFIALGSNMGDKQANLKQAIDKLRARGIHILKESSVLATEPWGGVEQDSFANQVVEVET WLPAQDLLETLLAIESELGRVREVHWGPRLIDLDLLFVEDQILYTDDLILPHPYIAERLF VLESLQEIAPHFIHPILKQPIRNLYDALKK