The name of this superfamily has been modified since the most recent official CATH+ release (v4_4_0). At the point of the last release, this superfamily was named:
"SH2 domain
".
Browse Functional Families
| ID | Function Family (FunFam) Name | Total Sequences | Enzyme? | Structure? | Structural Representative | PDB Sites? | Alignment Diversity (0-100) | 
|---|---|---|---|---|---|---|---|
| 1 | 983 |   3D   | 
			4k11A02 | - | 88.3 | ||
| 3 | 766 |   3D   | 
			4e68A04 | - | 96.0 | ||
| 2 | 762 |   3D   | 
			2l6kA01 | - | 78.8 | ||
| 4 | 759 |   3D   | 
			1opkA02 | - | 83.0 | ||
| 6 | 679 |   3D   | 
			5aulA00 | - | 88.0 | ||
| 5 | 676 |   3D   | 
			1tceA00 | - | 83.9 | ||
| 7 | 646 |   3D   | 
			3vrrA03 | - | 82.3 | ||
| 8 | 530 |   3D   | 
			2hdxF00 | - | 84.8 | ||
| 9 | 522 |   3D   | 
			4fbnA02 | - | 90.8 | ||
| 12 | 511 |   3D   | 
			6mddB02 | - | 86.3 | ||
| 10 | 506 |   3D   | 
			4tziB00 | - | 92.1 | ||
| 11 | 451 |   3D   | 
			4fbnA01 | - | 97.4 | ||
| 13 | 442 | - | - | 95.3 | |||
| 14 | 425 |   3D   | 
			5gjiA00 | - | 75.4 | ||
| 18 | 422 |   3D   | 
			1aydA00 | - | 81.4 | ||
| 15 | 415 |   3D   | 
			3m7fA00 | - | 87.5 | ||
| 22 | 381 |   3D   | 
			5cdwd00 | - | 77.8 | ||
| 16 | 374 |   3D   | 
			2eo6A01 | - | 99.5 | ||
| 17 | 354 | - | - | 74.7 | |||
| 19 | 342 |   3D   | 
			3cxlA01 | - | 95.6 | ||
| 20 | 337 |   3D   | 
			2kk6A00 | - | 82.9 | ||
| 21 | 327 | - | - | 77.6 | |||
| 23 | 305 |   3D   | 
			3eazA00 | - | 89.7 | ||
| 24 | 296 |   3D   | 
			2rorA00 | - | 83.6 | ||
| 25 | 279 | - | - | 74.4 | |||
| 26 | 265 |   3D   | 
			2eyzA01 | - | 75.0 | ||
| 27 | 260 |   3D   | 
			2ci9B00 | - | 69.5 | ||
| 28 | 237 |   3D   | 
			2izvA00 | - | 78.5 | ||
| 29 | 235 | - | - | 83.6 | |||
| 31 | 228 |   3D   | 
			4fl3A01 | - | 88.6 | ||
| 30 | 218 | - | - | 90.5 | |||
| 32 | 207 | - | - | 60.0 | |||
| 33 | 192 | - | - | 53.5 | |||
| 34 | 183 | - | - | 79.4 | |||
| 35 | 180 |   3D   | 
			2mk2A00 | - | 74.4 | ||
| 36 | 179 |   3D   | 
			2vifA01 | - | 80.8 | ||
| 37 | 169 | - | - | 78.5 | |||
| 38 | 157 |   3D   | 
			4fl3A03 | - | 69.8 | ||
| 39 | 145 | - | - | 73.8 | |||
| 40 | 140 |   3D   | 
			2ge9A00 | - | 70.8 | ||
| 41 | 135 | - | - | 70.0 | |||
| 42 | 134 | - | - | 78.6 | |||
| 43 | 131 |   3D   | 
			2cr4A01 | - | 94.7 | ||
| 44 | 131 |   3D   | 
			2dlyA00 | - | 91.9 | ||
| 45 | 130 |   3D   | 
			2dm0A01 | - | 89.8 | ||
| 46 | 118 | - | - | 44.6 | |||
| 49 | 114 |   3D   | 
			5bo4P01 | - | 73.0 | ||
| 47 | 114 | - | - | 78.0 | |||
| 48 | 112 | - | - | 81.2 | |||
| 50 | 105 | - | - | 95.3 | |||
| 51 | 104 | - | - | 98.1 | |||
| 52 | 102 | - | - | 71.0 | |||
| 53 | 101 | - | - | 72.7 | |||
| 54 | 96 | - | - | 79.4 | |||
| 55 | 94 | - | - | 70.7 | |||
| 56 | 94 | - | - | 92.0 | |||
| 61 | 93 |   3D   | 
			2k7aB00 | - | 73.5 | ||
| 57 | 93 | - | - | 89.3 | |||
| 58 | 92 | - | - | 85.6 | |||
| 59 | 92 |   3D   | 
			2cs0A01 | - | 91.8 | ||
| 60 | 91 |   3D   | 
			2ekxA01 | - | 73.9 | ||
| 62 | 91 |   3D   | 
			1m27A00 | - | 28.9 | ||
| 65 | 85 |   3D   | 
			5vkoA02 | - | 92.5 | ||
| 63 | 82 |   3D   | 
			4xz1A03 | - | 54.9 | ||
| 66 | 77 |   3D   | 
			4gl9H00 | - | 79.3 | ||
| 64 | 75 |   3D   | 
			4m4zA02 | - | 71.4 | ||
| 67 | 63 | - | - | 79.1 | |||
| 69 | 58 |   3D   | 
			1y1uC04 | - | 31.3 | ||
| 68 | 56 | - | - | 52.0 | |||
| 70 | 55 |   3D   | 
			5gjhC00 | - | 29.1 | ||
| 77 | 52 |   3D   | 
			5mtnA00 | - | 57.2 | ||
| 71 | 50 | - | - | 58.9 | |||
| 72 | 44 | - | - | 46.1 | |||
| 73 | 40 | - | - | 95.2 | |||
| 74 | 36 |   3D   | 
			1rjaA00 | - | 92.2 | ||
| 75 | 32 | - | - | 48.0 | |||
| 76 | 32 |   3D   | 
			2el8A01 | - | 38.6 | ||
| 78 | 29 | - | - | 76.1 | |||
| 79 | 28 | - | - | 38.7 | |||
| 80 | 26 | - | - | 94.8 | |||
| 82 | 24 | - | - | 51.8 | |||
| 81 | 24 | - | - | 94.2 | |||
| 84 | 24 |   3D   | 
			3mazA00 | - | 35.1 | ||
| 85 | 23 | - | - | 23.9 | |||
| 83 | 23 | - | - | 17.9 | |||
| 86 | 22 | - | - | 67.3 | |||
| 92 | 21 |   3D   | 
			1i3zA00 | - | 37.0 | ||
| 87 | 21 | - | - | 9.8 | |||
| 88 | 21 | - | - | 50.4 | |||
| 89 | 19 | - | - | 90.7 | |||
| 91 | 19 | - | - | 16.0 | |||
| 105 | 19 |   3D   | 
			5vkoA01 | - | 34.6 | ||
| 90 | 19 | - | - | 4.1 | |||
| 93 | 17 | - | - | 20.3 | |||
| 94 | 15 | - | - | 90.2 | |||
| 96 | 14 | - | - | 71.0 | |||
| 154 | 14 |   3D   | 
			5hl0A03 | - | 20.9 | ||
| 99 | 14 |   3D   | 
			1uusA04 | - | 78.0 | ||
| 95 | 14 | - | - | 82.8 | |||
| 110 | 13 |   3D   | 
			3qwyB01 | - | 51.6 | ||
| 97 | 13 | - | - | 74.9 | |||
| 101 | 12 | - | - | 83.4 | |||
| 98 | 12 | - | - | 35.2 | |||
| 102 | 12 | - | - | 56.5 | |||
| 100 | 12 | - | - | 71.7 | |||
| 104 | 12 | - | - | 96.1 | |||
| 103 | 12 | - | - | 75.9 | |||
| 106 | 11 | - | - | 79.9 | |||
| 107 | 11 | - | - | 1.2 | |||
| 112 | 10 | - | - | 49.7 | |||
| 108 | 10 | - | - | 79.8 | |||
| 111 | 10 | - | - | 18.4 | |||
| 109 | 10 | - | - | 43.0 | |||
| 116 | 8 | - | - | 74.1 | |||
| 113 | 8 | - | - | 41.0 | |||
| 120 | 8 |   3D   | 
			1aouF00 | - | 37.3 | ||
| 115 | 8 | - | - | 70.9 | |||
| 114 | 8 | - | - | 19.5 | |||
| 117 | 7 | - | - | 79.6 | |||
| 119 | 7 | - | - | 72.9 | |||
| 118 | 7 | - | - | 29.1 | |||
| 124 | 6 | - | - | 9.8 | |||
| 121 | 6 | - | - | 14.1 | |||
| 122 | 6 | - | - | 61.5 | |||
| 125 | 6 | - | - | 13.6 | |||
| 126 | 6 | - | - | 50.2 | |||
| 123 | 6 | - | - | 9.0 | |||
| 127 | 5 | - | - | 36.1 | |||
| 136 | 5 | - | - | 92.2 | |||
| 128 | 5 | - | - | 63.1 | |||
| 132 | 5 | - | - | 16.7 | |||
| 129 | 5 | - | - | 86.2 | |||
| 135 | 5 | - | - | 70.9 | |||
| 131 | 5 | - | - | 9.4 | |||
| 130 | 5 | - | - | 19.0 | |||
| 133 | 5 | - | - | 7.2 | |||
| 134 | 5 | - | - | 9.4 | |||
| 137 | 4 | - | - | 48.5 | |||
| 142 | 4 | - | - | 8.8 | |||
| 139 | 4 | - | - | 65.8 | |||
| 145 | 4 | - | - | 6.0 | |||
| 141 | 
					Ras/Rab INteractor 		
	 
 | 
			4 | - | - | 9.1 | ||
| 146 | 4 | - | - | 88.2 | |||
| 144 | 4 | - | - | 18.3 | |||
| 138 | 4 | - | - | 69.7 | |||
| 140 | 4 | - | - | 78.7 | |||
| 143 | 4 | - | - | 8.0 | |||
| 153 | 3 | - | - | 11.5 | |||
| 155 | 3 | - | - | 0.0 | |||
| 158 | 3 | - | - | 1.8 | |||
| 147 | 3 | - | - | 30.6 | |||
| 149 | 3 | - | - | 48.7 | |||
| 152 | 3 | - | - | 3.1 | |||
| 161 | 3 | - | - | 11.9 | |||
| 148 | 3 | - | - | 73.9 | |||
| 157 | 3 | - | - | 1.2 | |||
| 160 | 3 | - | - | 73.5 | |||
| 151 | 3 | - | - | 0.0 | |||
| 156 | 3 | - | - | 3.1 | |||
| 150 | 3 | - | - | 43.8 | |||
| 159 | 3 | - | - | 6.6 | |||
| 162 | 3 | - | - | 9.7 | |||
| 180 | 2 | - | - | 0.0 | |||
| 191 | 2 | - | - | 51.5 | |||
| 187 | 2 | - | - | 4.9 | |||
| 170 | 2 | - | - | 47.9 | |||
| 175 | 2 | - | - | 2.0 | |||
| 198 | 2 | - | - | 0.0 | |||
| 202 | 2 | - | - | 0.0 | |||
| 184 | 2 | - | - | 1.5 | |||
| 181 | 2 | - | - | 3.9 | |||
| 165 | 2 | - | - | 17.6 | |||
| 168 | 2 | - | - | 42.8 | |||
| 178 | 2 | - | - | 3.3 | |||
| 200 | 2 | - | - | 44.9 | |||
| 192 | 2 | - | - | 41.8 | |||
| 199 | 2 | - | - | 33.8 | |||
| 195 | 2 | - | - | 8.0 | |||
| 174 | 2 | - | - | 4.7 | |||
| 188 | 2 | - | - | 0.0 | |||
| 183 | 2 | - | - | 0.0 | |||
| 203 | 2 | - | - | 1.3 | |||
| 204 | 2 | - | - | 7.6 | |||
| 179 | 2 | - | - | 0.0 | |||
| 164 | 2 | - | - | 16.5 | |||
| 193 | 2 | - | - | 0.0 | |||
| 189 | 2 | - | - | 35.1 | |||
| 177 | 2 | - | - | 0.0 | |||
| 182 | 2 | - | - | 0.0 | |||
| 167 | 2 | - | - | 29.2 | |||
| 163 | 2 | - | - | 12.5 | |||
| 186 | 2 | - | - | 9.2 | |||
| 173 | 2 | - | - | 46.0 | |||
| 196 | 2 | - | - | 3.3 | |||
| 194 | 2 | - | - | 1.2 | |||
| 171 | 2 | - | - | 44.6 | |||
| 197 | 2 | - | - | 0.0 | |||
| 176 | 2 | - | - | 0.0 | |||
| 201 | 2 | - | - | 0.0 | |||
| 169 | 2 | - | - | 43.2 | |||
| 190 | 2 | - | - | 43.8 | |||
| 172 | 2 | - | - | 44.9 | |||
| 166 | 2 | - | - | 22.6 | |||
| 185 | 2 | - | - | 1.6 | |||
| 246 | 1 | - | - | 0.0 | |||
| 272 | 1 | - | - | 0.0 | |||
| 262 | 1 | - | - | 0.0 | |||
| 212 | 1 | - | - | 0.0 | |||
| 232 | 1 | - | - | 0.0 | |||
| 225 | 1 | - | - | 0.0 | |||
| 207 | 1 | - | - | 0.0 | |||
| 257 | 1 | - | - | 0.0 | |||
| 229 | 1 | - | - | 0.0 | |||
| 222 | 1 | - | - | 0.0 | |||
| 217 | 1 | - | - | 0.0 | |||
| 247 | 1 | - | - | 0.0 | |||
| 209 | 1 | - | - | 0.0 | |||
| 210 | 1 | - | - | 0.0 | |||
| 252 | 1 | - | - | 0.0 | |||
| 271 | 1 | - | - | 0.0 | |||
| 242 | 1 | - | - | 0.0 | |||
| 254 | 1 | - | - | 0.0 | |||
| 213 | 1 | - | - | 0.0 | |||
| 224 | 1 | - | - | 0.0 | |||
| 263 | 1 | - | - | 0.0 | |||
| 267 | 1 | - | - | 0.0 | |||
| 233 | 1 | - | - | 0.0 | |||
| 243 | 1 | - | - | 0.0 | |||
| 228 | 1 | - | - | 0.0 | |||
| 268 | 1 | - | - | 0.0 | |||
| 238 | 1 | - | - | 0.0 | |||
| 253 | 1 | - | - | 0.0 | |||
| 258 | 1 | - | - | 0.0 | |||
| 248 | 1 | - | - | 0.0 | |||
| 211 | 1 | - | - | 0.0 | |||
| 236 | 1 | - | - | 0.0 | |||
| 218 | 1 | - | - | 0.0 | |||
| 234 | 1 | - | - | 0.0 | |||
| 221 | 1 | - | - | 0.0 | |||
| 260 | 1 | - | - | 0.0 | |||
| 205 | 1 | - | - | 0.0 | |||
| 227 | 1 | - | - | 0.0 | |||
| 264 | 1 | - | - | 0.0 | |||
| 255 | 1 | - | - | 0.0 | |||
| 250 | 1 | - | - | 0.0 | |||
| 259 | 1 | - | - | 0.0 | |||
| 249 | 1 | - | - | 0.0 | |||
| 240 | 1 | - | - | 0.0 | |||
| 230 | 1 | - | - | 0.0 | |||
| 214 | 1 | - | - | 0.0 | |||
| 239 | 1 | - | - | 0.0 | |||
| 269 | 1 | - | - | 0.0 | |||
| 219 | 1 | - | - | 0.0 | |||
| 206 | 1 | - | - | 0.0 | |||
| 220 | 1 | - | - | 0.0 | |||
| 226 | 1 | - | - | 0.0 | |||
| 244 | 1 | - | - | 0.0 | |||
| 237 | 1 | - | - | 0.0 | |||
| 235 | 1 | - | - | 0.0 | |||
| 265 | 1 | - | - | 0.0 | |||
| 251 | 1 | - | - | 0.0 | |||
| 256 | 1 | - | - | 0.0 | |||
| 215 | 1 | - | - | 0.0 | |||
| 245 | 1 | - | - | 0.0 | |||
| 208 | 1 | - | - | 0.0 | |||
| 241 | 1 | - | - | 0.0 | |||
| 270 | 1 | - | - | 0.0 | |||
| 266 | 1 | - | - | 0.0 | |||
| 231 | 1 | - | - | 0.0 | |||
| 261 | 1 | - | - | 0.0 | |||
| 223 | 1 | - | - | 0.0 | |||
| 216 | 1 | - | - | 0.0 | 
