1T8L - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF THE P1 MET BPTI MUTANT- BOVINE CHYMOTRY COMPLEX
• Keywords: CHYMOTRYPSIN; SERINE PROTEINASE; BOVINE PANCREATIC TRYPSIN I BPTI; PROTEIN-PROTEIN INTERACTION; NON-COGNATE BINDING; S1 PRIMARY SPECIFICITY; CRYSTAL STRUCTURE, HYDROLASE-HYDROLASE INHIBITOR COMPLEX
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	1T8L	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	CHYMOTRYPSIN A	A	239	1755	0
2	Protein	PANCREATIC TRYPSIN INHIBITOR	B	59	461	0
3	Protein	CHYMOTRYPSIN A	C	239	1755	0
4	Protein	PANCREATIC TRYPSIN INHIBITOR	D	59	461	0
5	Ligand	CHYMOTRYPSIN A	A	3	0	15
6	Ligand	PANCREATIC TRYPSIN INHIBITOR	B	4	0	20
7	Ligand	CHYMOTRYPSIN A	C	2	0	10
8	Ligand	PANCREATIC TRYPSIN INHIBITOR	D	1	0	5
9	Water			545	0	545
total				1151	4432	595

Proteins

Unit 1	CYS 1 GLY 2 VAL 3 PRO 4 ALA 5 ILE 6 GLN 7 PRO 8 VAL 9 LEU 10 SER 11 ILE 16 VAL 17 ASN 18 GLY 19 GLU 20 GLU 21 ALA 22 VAL 23 PRO 24 GLY 25 SER 26 TRP 27 PRO 28 TRP 29 GLN 30 VAL 31 SER 32 LEU 33 GLN 34 ASP 35 LYS 36 THR 37 GLY 38 PHE 39 HIS 40 PHE 41 CYS 42 GLY 43 GLY 44 SER 45 LEU 46 ILE 47 ASN 48 GLU 49 ASN 50 TRP 51 VAL 52 VAL 53 THR 54 ALA 55 ALA 56 HIS 57 CYS 58 GLY 59 VAL 60 THR 61 THR 62 SER 63 ASP 64 VAL 65 VAL 66 VAL 67 ALA 68 GLY 69 GLU 70 PHE 71 ASP 72 GLN 73 GLY 74 SER 75 SER 76 SER 77 GLU 78 LYS 79 ILE 80 GLN 81 LYS 82 LEU 83 LYS 84 ILE 85 ALA 86 LYS 87 VAL 88 PHE 89 LYS 90 ASN 91 SER 92 LYS 93 TYR 94 ASN 95 SER 96 LEU 97 THR 98 ILE 99 ASN 100 ASN 101 ASP 102 ILE 103 THR 104 LEU 105 LEU 106 LYS 107 LEU 108 SER 109 THR 110 ALA 111 ALA 112 SER 113 PHE 114 SER 115 GLN 116 THR 117 VAL 118 SER 119 ALA 120 VAL 121 CYS 122 LEU 123 PRO 124 SER 125 ALA 126 SER 127 ASP 128 ASP 129 PHE 130 ALA 131 ALA 132 GLY 133 THR 134 THR 135 CYS 136 VAL 137 THR 138 THR 139 GLY 140 TRP 141 GLY 142 LEU 143 THR 144 ARG 145 TYR 146 ALA 149 ASN 150 THR 151 PRO 152 ASP 153 ARG 154 LEU 155 GLN 156 GLN 157 ALA 158 SER 159 LEU 160 PRO 161 LEU 162 LEU 163 SER 164 ASN 165 THR 166 ASN 167 CYS 168 LYS 169 LYS 170 TYR 171 TRP 172 GLY 173 THR 174 LYS 175 ILE 176 LYS 177 ASP 178 ALA 179 MET 180 ILE 181 CYS 182 ALA 183 GLY 184 ALA 185 SER 186 GLY 187 VAL 188 SER 189 SER 190 CYS 191 MET 192 GLY 193 ASP 194 SER 195 GLY 196 GLY 197 PRO 198 LEU 199 VAL 200 CYS 201 LYS 202 LYS 203 ASN 204 GLY 205 ALA 206 TRP 207 THR 208 LEU 209 VAL 210 GLY 211 ILE 212 VAL 213 SER 214 TRP 215 GLY 216 SER 217 SER 218 THR 219 CYS 220 SER 221 THR 222 SER 223 THR 224 PRO 225 GLY 226 VAL 227 TYR 228 ALA 229 ARG 230 VAL 231 THR 232 ALA 233 LEU 234 VAL 235 ASN 236 TRP 237 VAL 238 GLN 239 GLN 240 THR 241 LEU 242 ALA 243 ALA 244 ASN 245
Unit 2	MET 0 ARG 1 PRO 2 ASP 3 PHE 4 CYS 5 LEU 6 GLU 7 PRO 8 PRO 9 TYR 10 THR 11 GLY 12 PRO 13 CYS 14 MET 15 ALA 16 ARG 17 ILE 18 ILE 19 ARG 20 TYR 21 PHE 22 TYR 23 ASN 24 ALA 25 LYS 26 ALA 27 GLY 28 LEU 29 CYS 30 GLN 31 THR 32 PHE 33 VAL 34 TYR 35 GLY 36 GLY 37 CYS 38 ARG 39 ALA 40 LYS 41 ARG 42 ASN 43 ASN 44 PHE 45 LYS 46 SER 47 ALA 48 GLU 49 ASP 50 CYS 51 LEU 52 ARG 53 THR 54 CYS 55 GLY 56 GLY 57 ALA 58
Unit 3	CYS 1 GLY 2 VAL 3 PRO 4 ALA 5 ILE 6 GLN 7 PRO 8 VAL 9 LEU 10 SER 11 ILE 16 VAL 17 ASN 18 GLY 19 GLU 20 GLU 21 ALA 22 VAL 23 PRO 24 GLY 25 SER 26 TRP 27 PRO 28 TRP 29 GLN 30 VAL 31 SER 32 LEU 33 GLN 34 ASP 35 LYS 36 THR 37 GLY 38 PHE 39 HIS 40 PHE 41 CYS 42 GLY 43 GLY 44 SER 45 LEU 46 ILE 47 ASN 48 GLU 49 ASN 50 TRP 51 VAL 52 VAL 53 THR 54 ALA 55 ALA 56 HIS 57 CYS 58 GLY 59 VAL 60 THR 61 THR 62 SER 63 ASP 64 VAL 65 VAL 66 VAL 67 ALA 68 GLY 69 GLU 70 PHE 71 ASP 72 GLN 73 GLY 74 SER 75 SER 76 SER 77 GLU 78 LYS 79 ILE 80 GLN 81 LYS 82 LEU 83 LYS 84 ILE 85 ALA 86 LYS 87 VAL 88 PHE 89 LYS 90 ASN 91 SER 92 LYS 93 TYR 94 ASN 95 SER 96 LEU 97 THR 98 ILE 99 ASN 100 ASN 101 ASP 102 ILE 103 THR 104 LEU 105 LEU 106 LYS 107 LEU 108 SER 109 THR 110 ALA 111 ALA 112 SER 113 PHE 114 SER 115 GLN 116 THR 117 VAL 118 SER 119 ALA 120 VAL 121 CYS 122 LEU 123 PRO 124 SER 125 ALA 126 SER 127 ASP 128 ASP 129 PHE 130 ALA 131 ALA 132 GLY 133 THR 134 THR 135 CYS 136 VAL 137 THR 138 THR 139 GLY 140 TRP 141 GLY 142 LEU 143 THR 144 ARG 145 TYR 146 ALA 149 ASN 150 THR 151 PRO 152 ASP 153 ARG 154 LEU 155 GLN 156 GLN 157 ALA 158 SER 159 LEU 160 PRO 161 LEU 162 LEU 163 SER 164 ASN 165 THR 166 ASN 167 CYS 168 LYS 169 LYS 170 TYR 171 TRP 172 GLY 173 THR 174 LYS 175 ILE 176 LYS 177 ASP 178 ALA 179 MET 180 ILE 181 CYS 182 ALA 183 GLY 184 ALA 185 SER 186 GLY 187 VAL 188 SER 189 SER 190 CYS 191 MET 192 GLY 193 ASP 194 SER 195 GLY 196 GLY 197 PRO 198 LEU 199 VAL 200 CYS 201 LYS 202 LYS 203 ASN 204 GLY 205 ALA 206 TRP 207 THR 208 LEU 209 VAL 210 GLY 211 ILE 212 VAL 213 SER 214 TRP 215 GLY 216 SER 217 SER 218 THR 219 CYS 220 SER 221 THR 222 SER 223 THR 224 PRO 225 GLY 226 VAL 227 TYR 228 ALA 229 ARG 230 VAL 231 THR 232 ALA 233 LEU 234 VAL 235 ASN 236 TRP 237 VAL 238 GLN 239 GLN 240 THR 241 LEU 242 ALA 243 ALA 244 ASN 245
Unit 4	MET 0 ARG 1 PRO 2 ASP 3 PHE 4 CYS 5 LEU 6 GLU 7 PRO 8 PRO 9 TYR 10 THR 11 GLY 12 PRO 13 CYS 14 MET 15 ALA 16 ARG 17 ILE 18 ILE 19 ARG 20 TYR 21 PHE 22 TYR 23 ASN 24 ALA 25 LYS 26 ALA 27 GLY 28 LEU 29 CYS 30 GLN 31 THR 32 PHE 33 VAL 34 TYR 35 GLY 36 GLY 37 CYS 38 ARG 39 ALA 40 LYS 41 ARG 42 ASN 43 ASN 44 PHE 45 LYS 46 SER 47 ALA 48 GLU 49 ASP 50 CYS 51 LEU 52 ARG 53 THR 54 CYS 55 GLY 56 GLY 57 ALA 58

Ligands

Unit 5	SO4 605 SO4 606 SO4 607
Unit 6	SO4 601 SO4 602 SO4 603 SO4 604
Unit 7	SO4 1606 SO4 1607
Unit 8	SO4 1602