cluster number:21
CE3:16	CE3:16
RFADLNGD:0.25	LGDSITYG:0.375	VVLLHIGT:0.5	LLHIGTND:0.5625	LHPNDSGY:0.25	GDRKADYL:0.25	DLNGDGRA:0.25	LNGDGRAD:0.25	NGDGRADY:0.3125	NVVLLHIG:0.5	VLLHIGTN:0.5625	PLGDSITY:0.375	PNVVLLHI:0.5	MPLGDSIT:0.5	DSITYGVG:0.25	LHIGTNDM:0.5	GDRRADYL:0.25	VRFADVNG:0.25	RFADVNGD:0.25	GDSITYGV:0.25	GKADYLVV:0.25	GDGKADYL:0.25	NGDGKADY:0.25	DGKADYLV:0.25	RFADINGD:0.25	VRFADING:0.25	VMPLGDSI:0.4375	HIGTNDMN:0.3125	KPNVVLLH:0.25