2F91 - Sequence, Chains, Asymmetric and Biological Units

• Title: 1.2A RESOLUTION STRUCTURE OF A CRAYFISH TRYPSIN COMPLEXED WITH A PEPTIDE INHIBITOR, SGTI
• Keywords: SERINE PROTEASE, TRYPSIN, CANONICAL INHIBITOR, ATOMIC RESOLUTION, HYDROLASE/HYDROLASE INHIBITOR COMPLEX
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	2F91	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	HEPATOPANCREAS TRYPSIN	A	237	3343	0
2	Protein	SERINE PROTEASE INHIBITOR I/II	B	33	453	0
3	Ligand	HEPATOPANCREAS TRYPSIN	A	8	0	8
4	Water			343	0	343
total				621	3796	351

Proteins

Unit 1

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

Unit 2

GLN 2 GLU 3 CYS 4 THR 5 PRO 6 GLY 7 GLN 8 THR 9 LYS 10 LYS 11 GLN 12 ASP 13 CYS 14 ASN 15 THR 16 CYS 17 ASN 18 CYS 19 THR 20 PRO 21 THR 22 GLY 23 VAL 24 TRP 25 ALA 26 CYS 27 THR 28 ARG 29 LYS 30 GLY 31 CYS 32 PRO 33 PRO 34

Ligands

Unit 3

CD 401 CD 402 CD 403 CD 404 CD 405 CD 406 CL 407 CL 408