1EKB - Sequence, Chains, Asymmetric and Biological Units

• Title: THE SERINE PROTEASE DOMAIN OF ENTEROPEPTIDASE BOUND TO INHIB ASP-ASP-ASP-ASP-LYS-CHLOROMETHANE
• Keywords: ENTEROPEPTIDASE, TRYPSINOGEN ACTIVATION, HYDROLASE-HYDROLASE INHIBITOR COMPLEX
• Experiment: X-ray diffraction
• Number of Models: 1

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

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	ENTEROPEPTIDASE	A	7	46	0
2	Protein	ENTEROPEPTIDASE	B	235	1831	0
3	Protein	VAL-ASP-ASP-ASP-ASP-LYK PEPTIDE	C	5	24	10
4	Ligand	ENTEROPEPTIDASE	B	2	0	2
5	Water			108	0	108
total				357	1901	120

Proteins

Unit 1	CYS 1 GLY 2 LYS 3 LYS 4 LEU 5 VAL 6 THR 7
Unit 2	ILE 16 VAL 17 GLY 18 GLY 19 SER 20 ASP 21 SER 22 ARG 23 GLU 24 GLY 25 ALA 26 TRP 27 PRO 28 TRP 29 VAL 30 VAL 31 ALA 32 LEU 33 TYR 34 PHE 35 ASP 37 ASP 38 GLN 39 GLN 40 VAL 41 CYS 42 GLY 43 ALA 44 SER 45 LEU 46 VAL 47 SER 48 ARG 49 ASP 50 TRP 51 LEU 52 VAL 53 SER 54 ALA 55 ALA 56 HIS 57 CYS 58 VAL 59 TYR 60 GLY 60A ARG 60F ASN 60G MET 60H GLU 60I PRO 61 SER 62 LYS 63 TRP 64 LYS 65 ALA 66 VAL 67 LEU 68 GLY 69 LEU 70 HIS 71 MET 72 ALA 73 SER 74 ASN 75 LEU 76 THR 77 SER 77A PRO 78 GLN 79 ILE 80 GLU 81 THR 82 ARG 83 LEU 84 ILE 85 ASP 86 GLN 87 ILE 88 VAL 89 ILE 90 ASN 91 PRO 92 HIS 93 TYR 94 ASN 95 LYS 96 ARG 97 ARG 98 LYS 99 ASN 100 ASN 101 ASP 102 ILE 103 ALA 104 MET 105 MET 106 HIS 107 LEU 108 GLU 109 MET 110 LYS 111 VAL 112 ASN 113 TYR 114 THR 115 ASP 116 TYR 117 ILE 118 GLN 119 PRO 120 ILE 121 CYS 122 LEU 123 PRO 124 GLU 125 GLU 126 ASN 127 GLN 128 VAL 129 PHE 130 PRO 131 PRO 132 GLY 133 ARG 134 ILE 135 CYS 136 SER 137 ILE 138 ALA 139 GLY 140 TRP 141 GLY 142 ALA 143 LEU 144 ILE 145 TYR 146 GLN 147 GLY 148 SER 150 THR 151 ALA 152 ASP 153 VAL 154 LEU 155 GLN 156 GLU 157 ALA 158 ASP 159 VAL 160 PRO 161 LEU 162 LEU 163 SER 164 ASN 165 GLU 166 LYS 167 CYS 168 GLN 169 GLN 170 GLN 171 MET 172 PRO 172A GLU 173 TYR 174 ASN 175 ILE 176 THR 177 GLU 178 ASN 179 MET 180 VAL 181 CYS 182 ALA 183 GLY 184 TYR 184A GLU 185 ALA 186 GLY 186A GLY 186B VAL 186C ASP 189 SER 190 CYS 191 GLN 192 GLY 193 ASP 194 SER 195 GLY 196 GLY 197 PRO 198 LEU 199 MET 200 CYS 201 GLN 202 GLU 203 ASN 204 ASN 205 ARG 206 TRP 207 LEU 208 LEU 209 ALA 210 GLY 211 VAL 212 THR 213 SER 214 PHE 215 GLY 216 TYR 217 GLN 219 CYS 220 ALA 221 LEU 221A PRO 222 ASN 223 ARG 224 PRO 225 GLY 226 VAL 227 TYR 228 ALA 229 ARG 230 VAL 231 PRO 232 ARG 233 PHE 234 THR 235 GLU 236 TRP 237 ILE 238 GLN 239 SER 240 PHE 241 LEU 242 HIS 243
Unit 3	ASP 303 ASP 304 ASP 305 LYK 306 0QE 307

Ligands

Unit 4

ZN 310 ZN 311