4.   e.62.1        Heme iron utilization protein-like    
                   Heme iron utilization protein-like 2 domains; d1 - 3-helical bundle similar to the homeodomain-like fold; d2 - 6-stranded beta-barrel capped by two helices at one end,  similar topology to the PH-like fold
                   2hq2  d2hq2a1  A:48-60,96-102,131-139,239-247,248-256
                   2j0p  d2j0pa1  A:50-62,98-105,133-141,242-250,251-259
                   1u9t  d1u9ta1  A:48-60,96-103,131-139,239-247,248-256
                   2j0r  d2j0ra1  A:50-62,98-105,133-141,241-250,251-259

5.   d.172.1       gp120 core    
                   gp120 core unusual fold
                   1g9m  d1g9mg_  G:98-117,118-126,373-379,422-426,431-435
                   1gc1  d1gc1g_  G:98-117,118-126,373-379,422-426,431-435
                   1rzj  d1rzjg_  G:98-117,118-126,373-379,422-426,431-435
                   2ny5  d2ny5g1  G:98-117,119-126,373-379,422-426,431-435
                   1g9n  d1g9ng_  G:98-117,118-126,373-379,422-426,431-435
                   1rzk  d1rzkg_  G:98-117,118-126,373-379,422-426,431-435
                   2ny6  d2ny6a1  A:98-117,119-126,373-379,422-426,431-435
                   2nxy  d2nxya1  A:98-117,119-126,373-379,422-426,431-435
                   2ny0  d2ny0a1  A:98-117,119-126,373-379,422-426,431-435
                   2ny2  d2ny2a1  A:98-117,119-126,373-379,422-426,431-435
                   2b4c  d2b4cg1  G:98-117,119-126,373-379,422-426,431-435
                   2i60  d2i60p1  P:98-117,119-128,373-379,422-426,431-435
                   2i5y  d2i5yg1  G:98-117,119-128,373-379,422-426,431-435
                   1yyl  d1yylp1  P:1098-1117,1118-1128,1373-1379,1422-1426,1431-1435
                   1yym  d1yymp1  P:1098-1117,1118-1128,1373-1379,1422-1426,1431-1435
                   2i60  d2i60g1  G:98-117,118-128,373-379,422-426,431-435
                   1yyl  d1yylg1  G:98-117,118-128,373-379,422-426,431-435