>tr|Q89087|Q89087_VARV Ribonucleoside-diphosphate reductase small chain OS=Variola virus OX=10255 GN=E4L PE=3 SV=1 MEPILAKNPNRFVI EVDISKDINDWN KLTPDEKYFIKHV LAFFAASDGIV VQITEARCFYGFQ YSLLIDTYVKDS NEKNYLFNAIET ERLIAFAAVEG IFFSGSFASI FWLKKRGLM HLLYPPSEETVRS IITDAVSIEQ GMNCEMMKTYIEF KKIYNVTNPFD FMENISLEG