5SIC - Sequence, Chains, Asymmetric and Biological Units

• Title: MOLECULAR RECOGNITION AT THE ACTIVE SITE OF SUBTILISIN BPN': CRYSTALLOGRAPHIC STUDIES USING GENETICALLY ENGINEERED PROTE INHIBITOR SSI (STREPTOMYCES SUBTILISIN INHIBITOR)
• Keywords: COMPLEX(PROTEINASE-INHIBITOR), COMPLEX(PROTEINASE-INHIBITOR)
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	5SIC	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	SUBTILISIN BPN'	E	275	1938	0
2	Protein	SUBTILISIN INHIBITOR (SSI)	I	107	761	0
3	Ligand	SUBTILISIN BPN'	E	2	0	2
4	Water			288	0	288
total				672	2699	290

Proteins

Unit 1

ALA 1 GLN 2 SER 3 VAL 4 PRO 5 TYR 6 GLY 7 VAL 8 SER 9 GLN 10 ILE 11 LYS 12 ALA 13 PRO 14 ALA 15 LEU 16 HIS 17 SER 18 GLN 19 GLY 20 TYR 21 THR 22 GLY 23 SER 24 ASN 25 VAL 26 LYS 27 VAL 28 ALA 29 VAL 30 ILE 31 ASP 32 SER 33 GLY 34 ILE 35 ASP 36 SER 37 SER 38 HIS 39 PRO 40 ASP 41 LEU 42 LYS 43 VAL 44 ALA 45 GLY 46 GLY 47 ALA 48 SER 49 MET 50 VAL 51 PRO 52 SER 53 GLU 54 THR 55 ASN 56 PRO 57 PHE 58 GLN 59 ASP 60 ASN 61 ASN 62 SER 63 HIS 64 GLY 65 THR 66 HIS 67 VAL 68 ALA 69 GLY 70 THR 71 VAL 72 ALA 73 ALA 74 LEU 75 ASN 76 ASN 77 SER 78 ILE 79 GLY 80 VAL 81 LEU 82 GLY 83 VAL 84 ALA 85 PRO 86 SER 87 ALA 88 SER 89 LEU 90 TYR 91 ALA 92 VAL 93 LYS 94 VAL 95 LEU 96 GLY 97 ALA 98 ASP 99 GLY 100 SER 101 GLY 102 GLN 103 TYR 104 SER 105 TRP 106 ILE 107 ILE 108 ASN 109 GLY 110 ILE 111 GLU 112 TRP 113 ALA 114 ILE 115 ALA 116 ASN 117 ASN 118 MET 119 ASP 120 VAL 121 ILE 122 ASN 123 MET 124 SER 125 LEU 126 GLY 127 GLY 128 PRO 129 SER 130 GLY 131 SER 132 ALA 133 ALA 134 LEU 135 LYS 136 ALA 137 ALA 138 VAL 139 ASP 140 LYS 141 ALA 142 VAL 143 ALA 144 SER 145 GLY 146 VAL 147 VAL 148 VAL 149 VAL 150 ALA 151 ALA 152 ALA 153 GLY 154 ASN 155 GLU 156 GLY 157 THR 158 SER 159 GLY 160 SER 161 SER 162 SER 163 THR 164 VAL 165 GLY 166 TYR 167 PRO 168 GLY 169 LYS 170 TYR 171 PRO 172 SER 173 VAL 174 ILE 175 ALA 176 VAL 177 GLY 178 ALA 179 VAL 180 ASP 181 SER 182 SER 183 ASN 184 GLN 185 ARG 186 ALA 187 SER 188 PHE 189 SER 190 SER 191 VAL 192 GLY 193 PRO 194 GLU 195 LEU 196 ASP 197 VAL 198 MET 199 ALA 200 PRO 201 GLY 202 VAL 203 SER 204 ILE 205 GLN 206 SER 207 THR 208 LEU 209 PRO 210 GLY 211 ASN 212 LYS 213 TYR 214 GLY 215 ALA 216 TYR 217 ASN 218 GLY 219 THR 220 SER 221 MET 222 ALA 223 SER 224 PRO 225 HIS 226 VAL 227 ALA 228 GLY 229 ALA 230 ALA 231 ALA 232 LEU 233 ILE 234 LEU 235 SER 236 LYS 237 HIS 238 PRO 239 ASN 240 TRP 241 THR 242 ASN 243 THR 244 GLN 245 VAL 246 ARG 247 SER 248 SER 249 LEU 250 GLU 251 ASN 252 THR 253 THR 254 THR 255 LYS 256 LEU 257 GLY 258 ASP 259 SER 260 PHE 261 TYR 262 TYR 263 GLY 264 LYS 265 GLY 266 LEU 267 ILE 268 ASN 269 VAL 270 GLN 271 ALA 272 ALA 273 ALA 274 GLN 275

Unit 2

TYR 7 ALA 8 PRO 9 SER 10 ALA 11 LEU 12 VAL 13 LEU 14 THR 15 VAL 16 GLY 17 LYS 18 GLY 19 VAL 20 SER 21 ALA 22 THR 23 THR 24 ALA 25 ALA 26 PRO 27 GLU 28 ARG 29 ALA 30 VAL 31 THR 32 LEU 33 THR 34 CYS 35 ALA 36 PRO 37 GLY 38 PRO 39 SER 40 GLY 41 THR 42 HIS 43 PRO 44 ALA 45 ALA 46 GLY 47 SER 48 ALA 49 CYS 50 ALA 51 ASP 52 LEU 53 ALA 54 ALA 55 VAL 56 GLY 57 GLY 58 ASP 59 LEU 60 ASN 61 ALA 62 LEU 63 THR 64 ARG 65 GLY 66 GLU 67 ASP 68 VAL 69 GLY 70 CYS 71 PRO 72 LYS 73 VAL 74 TYR 75 ASP 76 PRO 77 VAL 78 LEU 79 LEU 80 THR 81 VAL 82 ASP 83 GLY 84 VAL 85 TRP 86 GLN 87 GLY 88 LYS 89 ARG 90 VAL 91 SER 92 TYR 93 GLU 94 ARG 95 VAL 96 PHE 97 SER 98 ASN 99 GLU 100 CYS 101 GLU 102 MET 103 ASN 104 ALA 105 HIS 106 GLY 107 SER 108 SER 109 VAL 110 PHE 111 ALA 112 PHE 113

Ligands

Unit 3

CA 501 CA 502