4ISN - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF MATRIPTASE IN COMPLEX WITH ITS INHIBITO
• Keywords: BETA BARREL, SERINE PROTEASE INHIBITOR, EPITHELIUM, HYDROLAS HYDROLASE INHIBITOR COMPLEX
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	4ISN	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	KUNITZ-TYPE PROTEASE INHIBITOR 1	B	62	494	0
2	Protein	SUPPRESSOR OF TUMORIGENICITY 14 PROTEIN	A	241	1865	0
3	Ligand	KUNITZ-TYPE PROTEASE INHIBITOR 1	B	1	0	13
4	Ligand	SUPPRESSOR OF TUMORIGENICITY 14 PROTEIN	A	1	0	20
5	Water			97	0	97
total				402	2359	130

Proteins

Unit 1

GLN 245 THR 246 GLU 247 ASP 248 TYR 249 CYS 250 LEU 251 ALA 252 SER 253 ASN 254 LYS 255 VAL 256 GLY 257 ARG 258 CYS 259 ARG 260 GLY 261 SER 262 PHE 263 PRO 264 ARG 265 TRP 266 TYR 267 TYR 268 ASP 269 PRO 270 THR 271 GLU 272 GLN 273 ILE 274 CYS 275 LYS 276 SER 277 PHE 278 VAL 279 TYR 280 GLY 281 GLY 282 CYS 283 LEU 284 GLY 285 ASN 286 LYS 287 ASN 288 ASN 289 TYR 290 LEU 291 ARG 292 GLU 293 GLU 294 GLU 295 CYS 296 ILE 297 LEU 298 ALA 299 CYS 300 ARG 301 GLY 302 VAL 303 GLN 304 GLY 305 PRO 306

Unit 2

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

Ligands

Unit 3	PG4 401
Unit 4	GSH 301