2STB - Sequence, Chains, Asymmetric and Biological Units

• Title: ANIONIC SALMON TRYPSIN IN COMPLEX WITH SQUASH SEED INHIBITOR (CUCURBITA PEPO TRYPSIN INHIBITOR II)
• Keywords: SERINE PROTEINASE, TRYPSIN INHIBITOR, HYDROLASE/HYDROLASE INHIBITOR COMPLEX
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	2STB	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	PROTEIN (TRYPSIN)	E	222	1666	0
2	Protein	PROTEIN (TRYPSIN INHIBITOR)	I	29	221	0
3	Ligand	PROTEIN (TRYPSIN)	E	1	0	1
4	Water			167	0	167
total				419	1887	168

Proteins

Unit 1

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

Unit 2

ARG 501 VAL 502 CYS 503 PRO 504 LYS 505 ILE 506 LEU 507 MET 508 GLU 509 CYS 510 LYS 511 LYS 512 ASP 513 SER 514 ASP 515 CYS 516 LEU 517 ALA 518 GLU 519 CYS 520 ILE 521 CYS 522 LEU 523 GLU 524 HIS 525 GLY 526 TYR 527 CYS 528 GLY 529

Ligands

Unit 3

CA 700