4U32 - Sequence, Chains, Asymmetric and Biological Units

• Title: HUMAN MESOTRYPSIN COMPLEXED WITH HAI-2 KUNITZ DOMAIN 1
• Keywords: SERINE PROTEASE, PROTEASE INHIBITOR, PROTEIN-PROTEIN INTERAC PROTEIN DEGRADATION, PROTEOLYSIS, SUBSTRATE SPECIFICITY, EN KINETICS, HYDROLASE-HYDROLASE INHIBITOR COMPLEX
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	4U32	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	KUNITZ-TYPE PROTEASE INHIBITOR 2	X	54	429	0
2	Protein	TRYPSIN-3	A	224	1701	0
3	Ligand	KUNITZ-TYPE PROTEASE INHIBITOR 2	X	1	0	14
4	Ligand	TRYPSIN-3	A	1	0	1
5	Water			222	0	222
total				502	2130	237

Proteins

Unit 1

HIS 2 ASP 3 PHE 4 CYS 5 LEU 6 VAL 7 SER 8 LYS 9 VAL 10 VAL 11 GLY 12 ARG 13 CYS 14 ARG 15 ALA 16 SER 17 MET 18 PRO 19 ARG 20 TRP 21 TRP 22 TYR 23 ASN 24 VAL 25 THR 26 ASP 27 GLY 28 SER 29 CYS 30 GLN 31 LEU 32 PHE 33 VAL 34 TYR 35 GLY 36 GLY 37 CYS 38 ASP 39 GLY 40 ASN 41 SER 42 ASN 43 ASN 44 TYR 45 LEU 46 THR 47 LYS 48 GLU 49 GLU 50 CYS 51 LEU 52 LYS 53 LYS 54 CYS 55

Unit 2

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

Ligands

Unit 3	NAG 101
Unit 4	CA 301