0.018232
0.010526
0.000000
0.000000
0.021052
0.000000
0.000000
0.000000
0.009155
0.00000
0.00000
0.00000
Katz, B.A.
Luong, C.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
6
90.00
90.00
120.00
54.850
54.850
109.230
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C6 H15 N4 O2 1
175.209
y
ARGININE
L-peptide linking
C4 H8 N2 O3
132.118
y
ASPARAGINE
L-peptide linking
C4 H7 N O4
133.103
y
ASPARTIC ACID
L-peptide linking
Ca 2
40.078
CALCIUM ION
non-polymer
C3 H7 N O2 S
121.158
y
CYSTEINE
L-peptide linking
C5 H10 N2 O3
146.144
y
GLUTAMINE
L-peptide linking
C5 H9 N O4
147.129
y
GLUTAMIC ACID
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C6 H10 N3 O2 1
156.162
y
HISTIDINE
L-peptide linking
H2 O
18.015
WATER
non-polymer
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C6 H15 N2 O2 1
147.195
y
LYSINE
L-peptide linking
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
Mg 2
24.305
MAGNESIUM ION
non-polymer
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C5 H9 N O2
115.130
y
PROLINE
L-peptide linking
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
O4 S -2
96.063
SULFATE ION
non-polymer
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
C11 H12 N2 O2
204.225
y
TRYPTOPHAN
L-peptide linking
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
Zn 2
65.409
ZINC ION
non-polymer
N
1
N
N
N
2
S
C
N
3
N
C
N
4
N
O
N
5
N
C
N
6
N
O
N
7
N
H
N
8
N
H
N
9
N
H
N
10
N
H
N
11
N
H
N
12
N
H
N
13
N
H
N
14
N
N
N
15
S
C
N
16
N
C
N
17
N
O
N
18
N
C
N
19
N
C
N
20
N
C
N
21
N
N
N
22
N
C
N
23
N
N
N
24
N
N
N
25
N
O
N
26
N
H
N
27
N
H
N
28
N
H
N
29
N
H
N
30
N
H
N
31
N
H
N
32
N
H
N
33
N
H
N
34
N
H
N
35
N
H
N
36
N
H
N
37
N
H
N
38
N
H
N
39
N
H
N
40
N
H
N
41
N
N
N
42
S
C
N
43
N
C
N
44
N
O
N
45
N
C
N
46
N
C
N
47
N
O
N
48
N
N
N
49
N
O
N
50
N
H
N
51
N
H
N
52
N
H
N
53
N
H
N
54
N
H
N
55
N
H
N
56
N
H
N
57
N
H
N
58
N
N
N
59
S
C
N
60
N
C
N
61
N
O
N
62
N
C
N
63
N
C
N
64
N
O
N
65
N
O
N
66
N
O
N
67
N
H
N
68
N
H
N
69
N
H
N
70
N
H
N
71
N
H
N
72
N
H
N
73
N
H
N
74
N
CA
N
75
N
N
N
76
R
C
N
77
N
C
N
78
N
O
N
79
N
C
N
80
N
S
N
81
N
O
N
82
N
H
N
83
N
H
N
84
N
H
N
85
N
H
N
86
N
H
N
87
N
H
N
88
N
H
N
89
N
N
N
90
S
C
N
91
N
C
N
92
N
O
N
93
N
C
N
94
N
C
N
95
N
C
N
96
N
O
N
97
N
N
N
98
N
O
N
99
N
H
N
100
N
H
N
101
N
H
N
102
N
H
N
103
N
H
N
104
N
H
N
105
N
H
N
106
N
H
N
107
N
H
N
108
N
H
N
109
N
N
N
110
S
C
N
111
N
C
N
112
N
O
N
113
N
C
N
114
N
C
N
115
N
C
N
116
N
O
N
117
N
O
N
118
N
O
N
119
N
H
N
120
N
H
N
121
N
H
N
122
N
H
N
123
N
H
N
124
N
H
N
125
N
H
N
126
N
H
N
127
N
H
N
128
N
N
N
129
N
C
N
130
N
C
N
131
N
O
N
132
N
O
N
133
N
H
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
H
N
138
N
N
N
139
S
C
N
140
N
C
N
141
N
O
N
142
N
C
Y
143
N
C
Y
144
N
N
Y
145
N
C
Y
146
N
C
Y
147
N
N
N
148
N
O
N
149
N
H
N
150
N
H
N
151
N
H
N
152
N
H
N
153
N
H
N
154
N
H
N
155
N
H
N
156
N
H
N
157
N
H
N
158
N
H
N
159
N
O
N
160
N
H
N
161
N
H
N
162
N
N
N
163
S
C
N
164
N
C
N
165
N
O
N
166
S
C
N
167
N
C
N
168
N
C
N
169
N
C
N
170
N
O
N
171
N
H
N
172
N
H
N
173
N
H
N
174
N
H
N
175
N
H
N
176
N
H
N
177
N
H
N
178
N
H
N
179
N
H
N
180
N
H
N
181
N
H
N
182
N
H
N
183
N
H
N
184
N
N
N
185
S
C
N
186
N
C
N
187
N
O
N
188
N
C
N
189
N
C
N
190
N
C
N
191
N
C
N
192
N
O
N
193
N
H
N
194
N
H
N
195
N
H
N
196
N
H
N
197
N
H
N
198
N
H
N
199
N
H
N
200
N
H
N
201
N
H
N
202
N
H
N
203
N
H
N
204
N
H
N
205
N
H
N
206
N
N
N
207
S
C
N
208
N
C
N
209
N
O
N
210
N
C
N
211
N
C
N
212
N
C
N
213
N
C
N
214
N
N
N
215
N
O
N
216
N
H
N
217
N
H
N
218
N
H
N
219
N
H
N
220
N
H
N
221
N
H
N
222
N
H
N
223
N
H
N
224
N
H
N
225
N
H
N
226
N
H
N
227
N
H
N
228
N
H
N
229
N
H
N
230
N
H
N
231
N
N
N
232
S
C
N
233
N
C
N
234
N
O
N
235
N
C
N
236
N
C
N
237
N
S
N
238
N
C
N
239
N
O
N
240
N
H
N
241
N
H
N
242
N
H
N
243
N
H
N
244
N
H
N
245
N
H
N
246
N
H
N
247
N
H
N
248
N
H
N
249
N
H
N
250
N
H
N
251
N
MG
N
252
N
N
N
253
S
C
N
254
N
C
N
255
N
O
N
256
N
C
Y
257
N
C
Y
258
N
C
Y
259
N
C
Y
260
N
C
Y
261
N
C
Y
262
N
C
N
263
N
O
N
264
N
H
N
265
N
H
N
266
N
H
N
267
N
H
N
268
N
H
N
269
N
H
N
270
N
H
N
271
N
H
N
272
N
H
N
273
N
H
N
274
N
H
N
275
N
N
N
276
S
C
N
277
N
C
N
278
N
O
N
279
N
C
N
280
N
C
N
281
N
C
N
282
N
O
N
283
N
H
N
284
N
H
N
285
N
H
N
286
N
H
N
287
N
H
N
288
N
H
N
289
N
H
N
290
N
H
N
291
N
H
N
292
N
N
N
293
S
C
N
294
N
C
N
295
N
O
N
296
N
C
N
297
N
O
N
298
N
O
N
299
N
H
N
300
N
H
N
301
N
H
N
302
N
H
N
303
N
H
N
304
N
H
N
305
N
H
N
306
N
S
N
307
N
O
N
308
N
O
N
309
N
O
N
310
N
O
N
311
N
N
N
312
S
C
N
313
N
C
N
314
N
O
N
315
R
C
N
316
N
O
N
317
N
C
N
318
N
O
N
319
N
H
N
320
N
H
N
321
N
H
N
322
N
H
N
323
N
H
N
324
N
H
N
325
N
H
N
326
N
H
N
327
N
H
N
328
N
N
N
329
S
C
N
330
N
C
N
331
N
O
N
332
N
C
Y
333
N
C
Y
334
N
C
Y
335
N
C
Y
336
N
N
Y
337
N
C
Y
338
N
C
Y
339
N
C
Y
340
N
C
Y
341
N
C
N
342
N
O
N
343
N
H
N
344
N
H
N
345
N
H
N
346
N
H
N
347
N
H
N
348
N
H
N
349
N
H
N
350
N
H
N
351
N
H
N
352
N
H
N
353
N
H
N
354
N
H
N
355
N
N
N
356
S
C
N
357
N
C
N
358
N
O
N
359
N
C
Y
360
N
C
Y
361
N
C
Y
362
N
C
Y
363
N
C
Y
364
N
C
Y
365
N
C
N
366
N
O
N
367
N
O
N
368
N
H
N
369
N
H
N
370
N
H
N
371
N
H
N
372
N
H
N
373
N
H
N
374
N
H
N
375
N
H
N
376
N
H
N
377
N
H
N
378
N
H
N
379
N
N
N
380
S
C
N
381
N
C
N
382
N
O
N
383
N
C
N
384
N
C
N
385
N
C
N
386
N
O
N
387
N
H
N
388
N
H
N
389
N
H
N
390
N
H
N
391
N
H
N
392
N
H
N
393
N
H
N
394
N
H
N
395
N
H
N
396
N
H
N
397
N
H
N
398
N
ZN
N
1
N
sing
N
2
N
sing
N
3
N
sing
N
4
N
sing
N
5
N
sing
N
6
N
sing
N
7
N
doub
N
8
N
sing
N
9
N
sing
N
10
N
sing
N
11
N
sing
N
12
N
sing
N
13
N
sing
N
14
N
sing
N
15
N
sing
N
16
N
sing
N
17
N
sing
N
18
N
sing
N
19
N
doub
N
20
N
sing
N
21
N
sing
N
22
N
sing
N
23
N
sing
N
24
N
sing
N
25
N
sing
N
26
N
sing
N
27
N
sing
N
28
N
sing
N
29
N
sing
N
30
N
sing
N
31
N
sing
N
32
N
sing
N
33
N
doub
N
34
N
sing
N
35
N
sing
N
36
N
sing
N
37
N
sing
N
38
N
sing
N
39
N
sing
N
40
N
sing
N
41
N
sing
N
42
N
sing
N
43
N
sing
N
44
N
sing
N
45
N
doub
N
46
N
sing
N
47
N
sing
N
48
N
sing
N
49
N
sing
N
50
N
doub
N
51
N
sing
N
52
N
sing
N
53
N
sing
N
54
N
sing
N
55
N
sing
N
56
N
sing
N
57
N
sing
N
58
N
sing
N
59
N
sing
N
60
N
sing
N
61
N
doub
N
62
N
sing
N
63
N
sing
N
64
N
sing
N
65
N
sing
N
66
N
doub
N
67
N
sing
N
68
N
sing
N
69
N
sing
N
70
N
sing
N
71
N
sing
N
72
N
sing
N
73
N
sing
N
74
N
sing
N
75
N
sing
N
76
N
doub
N
77
N
sing
N
78
N
sing
N
79
N
sing
N
80
N
sing
N
81
N
sing
N
82
N
sing
N
83
N
sing
N
84
N
sing
N
85
N
sing
N
86
N
sing
N
87
N
sing
N
88
N
sing
N
89
N
doub
N
90
N
sing
N
91
N
sing
N
92
N
sing
N
93
N
sing
N
94
N
sing
N
95
N
sing
N
96
N
sing
N
97
N
doub
N
98
N
sing
N
99
N
sing
N
100
N
sing
N
101
N
sing
N
102
N
sing
N
103
N
sing
N
104
N
sing
N
105
N
sing
N
106
N
sing
N
107
N
sing
N
108
N
doub
N
109
N
sing
N
110
N
sing
N
111
N
sing
N
112
N
sing
N
113
N
sing
N
114
N
sing
N
115
N
sing
N
116
N
doub
N
117
N
sing
N
118
N
sing
N
119
N
sing
N
120
N
sing
N
121
N
sing
N
122
N
sing
N
123
N
sing
N
124
N
sing
N
125
N
sing
N
126
N
doub
N
127
N
sing
N
128
N
sing
N
129
N
sing
N
130
N
sing
N
131
N
sing
N
132
N
sing
N
133
N
sing
N
134
N
sing
N
135
N
doub
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
Y
140
N
sing
Y
141
N
doub
Y
142
N
doub
N
143
N
sing
Y
144
N
sing
N
145
N
sing
Y
146
N
sing
N
147
N
sing
N
148
N
sing
N
149
N
sing
N
150
N
sing
N
151
N
sing
N
152
N
sing
N
153
N
sing
N
154
N
sing
N
155
N
sing
N
156
N
sing
N
157
N
sing
N
158
N
doub
N
159
N
sing
N
160
N
sing
N
161
N
sing
N
162
N
sing
N
163
N
sing
N
164
N
sing
N
165
N
sing
N
166
N
sing
N
167
N
sing
N
168
N
sing
N
169
N
sing
N
170
N
sing
N
171
N
sing
N
172
N
sing
N
173
N
sing
N
174
N
sing
N
175
N
sing
N
176
N
sing
N
177
N
sing
N
178
N
sing
N
179
N
doub
N
180
N
sing
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
sing
N
185
N
sing
N
186
N
sing
N
187
N
sing
N
188
N
sing
N
189
N
sing
N
190
N
sing
N
191
N
sing
N
192
N
sing
N
193
N
sing
N
194
N
sing
N
195
N
sing
N
196
N
sing
N
197
N
sing
N
198
N
sing
N
199
N
sing
N
200
N
doub
N
201
N
sing
N
202
N
sing
N
203
N
sing
N
204
N
sing
N
205
N
sing
N
206
N
sing
N
207
N
sing
N
208
N
sing
N
209
N
sing
N
210
N
sing
N
211
N
sing
N
212
N
sing
N
213
N
sing
N
214
N
sing
N
215
N
sing
N
216
N
sing
N
217
N
sing
N
218
N
sing
N
219
N
sing
N
220
N
sing
N
221
N
sing
N
222
N
sing
N
223
N
sing
N
224
N
doub
N
225
N
sing
N
226
N
sing
N
227
N
sing
N
228
N
sing
N
229
N
sing
N
230
N
sing
N
231
N
sing
N
232
N
sing
N
233
N
sing
N
234
N
sing
N
235
N
sing
N
236
N
sing
N
237
N
sing
N
238
N
sing
N
239
N
sing
N
240
N
sing
N
241
N
sing
N
242
N
sing
N
243
N
doub
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
Y
248
N
doub
Y
249
N
sing
Y
250
N
sing
N
251
N
sing
Y
252
N
doub
N
253
N
sing
Y
254
N
doub
N
255
N
sing
Y
256
N
sing
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
doub
N
267
N
sing
N
268
N
sing
N
269
N
sing
N
270
N
sing
N
271
N
sing
N
272
N
sing
N
273
N
sing
N
274
N
sing
N
275
N
sing
N
276
N
sing
N
277
N
sing
N
278
N
sing
N
279
N
sing
N
280
N
sing
N
281
N
sing
N
282
N
sing
N
283
N
doub
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
sing
N
289
N
sing
N
290
N
doub
N
291
N
doub
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
sing
N
297
N
sing
N
298
N
sing
N
299
N
sing
N
300
N
doub
N
301
N
sing
N
302
N
sing
N
303
N
sing
N
304
N
sing
N
305
N
sing
N
306
N
sing
N
307
N
sing
N
308
N
sing
N
309
N
sing
N
310
N
sing
N
311
N
sing
N
312
N
sing
N
313
N
sing
N
314
N
sing
N
315
N
sing
N
316
N
doub
N
317
N
sing
N
318
N
sing
N
319
N
sing
N
320
N
sing
Y
321
N
doub
Y
322
N
sing
Y
323
N
sing
N
324
N
sing
Y
325
N
doub
Y
326
N
sing
Y
327
N
sing
N
328
N
sing
Y
329
N
sing
Y
330
N
doub
N
331
N
sing
Y
332
N
doub
N
333
N
sing
Y
334
N
sing
N
335
N
sing
N
336
N
sing
N
337
N
sing
N
338
N
sing
N
339
N
sing
N
340
N
sing
N
341
N
sing
N
342
N
sing
N
343
N
sing
N
344
N
doub
N
345
N
sing
N
346
N
sing
N
347
N
sing
N
348
N
sing
Y
349
N
doub
Y
350
N
sing
Y
351
N
sing
N
352
N
sing
Y
353
N
doub
N
354
N
sing
Y
355
N
doub
N
356
N
sing
Y
357
N
sing
N
358
N
sing
N
359
N
sing
N
360
N
sing
N
361
N
sing
N
362
N
sing
N
363
N
sing
N
364
N
sing
N
365
N
sing
N
366
N
sing
N
367
N
sing
N
368
N
doub
N
369
N
sing
N
370
N
sing
N
371
N
sing
N
372
N
sing
N
373
N
sing
N
374
N
sing
N
375
N
sing
N
376
N
sing
N
377
N
sing
N
378
N
sing
N
379
N
sing
UK
Nature
NATUAS
0006
0028-0836
391
608
612
10.1038/35422
9468142
Design of potent selective zinc-mediated serine protease inhibitors.
1998
10.2210/pdb1c2m/pdb
pdb_00001c2m
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
298.0
1
MSC MIRRORS
IMAGE PLATE
1998-04-05
RIGAKU RAXIS IV++
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
23324.287
TRYPSIN
3.4.21.4
1
nat
polymer
40.078
CALCIUM ION
1
syn
non-polymer
65.409
ZINC ION
1
syn
non-polymer
24.305
MAGNESIUM ION
1
syn
non-polymer
96.063
SULFATE ION
1
syn
non-polymer
18.015
water
213
nat
water
no
no
IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNT
LNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNM
FCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN
IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNT
LNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNM
FCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN
A
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
cattle
Bos
sample
9913
Bos taurus
1
2.03
18.0
4.98
TRYPSIN-BENZAMIDINE, P3(1) 2 1 WERE GROWN BY VAPOR DIFFUSION, AS DESCRIBED FOR
P2(1) 2(1) 2(1) (LARGE CELL) (MANGEL, ET AL., BIOCHEMISTRY 29, 8351-8357, 1990)
THE CRYSTAL WAS SOAKED FOR 25 DAYS IN 2.11 M ZN+2, 250 MM CL-, PH 4.86 IN THE
ABSENCE OF AN INHIBITOR. THIS SOLUTION WAS REPLACED ONCE EVERY DAY OR TWO TO
REMOVE BOUND BENZAMIDINE AND TO INCORPORATE ZN+2 AT THE ACTIVE SITE. IT WAS
THEN SOAKED IN CHLORIDE-FREE SOLUTION OF 1.02 MGSO4 . 7H2O, 1.62 M ZNSO4 . 7
H2O, 0.50 M ZINC ACETATE DIHYDRATE, PH 4.98 FOR 10 DAYS DURING WHICH THE
SOAKING SOLUTION WAS REPLACED ONCE A DAY.
software
chem_comp_atom
chem_comp_bond
database_2
pdbx_struct_conn_angle
pdbx_struct_special_symmetry
struct_conn
struct_site
repository
Initial release
Version format compliance
Version format compliance
Refinement description
Data collection
Database references
Derived calculations
1
0
2000-07-26
1
1
2008-04-26
1
2
2011-07-13
1
3
2017-10-04
1
4
2023-12-27
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_struct_conn_angle.ptnr1_auth_comp_id
_pdbx_struct_conn_angle.ptnr1_auth_seq_id
_pdbx_struct_conn_angle.ptnr1_label_alt_id
_pdbx_struct_conn_angle.ptnr1_label_asym_id
_pdbx_struct_conn_angle.ptnr1_label_atom_id
_pdbx_struct_conn_angle.ptnr1_label_comp_id
_pdbx_struct_conn_angle.ptnr1_label_seq_id
_pdbx_struct_conn_angle.ptnr2_auth_comp_id
_pdbx_struct_conn_angle.ptnr2_auth_seq_id
_pdbx_struct_conn_angle.ptnr2_label_alt_id
_pdbx_struct_conn_angle.ptnr2_label_asym_id
_pdbx_struct_conn_angle.ptnr2_label_atom_id
_pdbx_struct_conn_angle.ptnr2_label_comp_id
_pdbx_struct_conn_angle.ptnr3_auth_comp_id
_pdbx_struct_conn_angle.ptnr3_auth_seq_id
_pdbx_struct_conn_angle.ptnr3_label_asym_id
_pdbx_struct_conn_angle.ptnr3_label_atom_id
_pdbx_struct_conn_angle.ptnr3_label_comp_id
_pdbx_struct_conn_angle.ptnr3_label_seq_id
_pdbx_struct_conn_angle.value
_struct_conn.pdbx_dist_value
_struct_conn.pdbx_ptnr1_label_alt_id
_struct_conn.pdbx_ptnr2_label_alt_id
_struct_conn.ptnr1_auth_comp_id
_struct_conn.ptnr1_auth_seq_id
_struct_conn.ptnr1_label_asym_id
_struct_conn.ptnr1_label_atom_id
_struct_conn.ptnr1_label_comp_id
_struct_conn.ptnr1_label_seq_id
_struct_conn.ptnr2_auth_comp_id
_struct_conn.ptnr2_auth_seq_id
_struct_conn.ptnr2_label_asym_id
_struct_conn.ptnr2_label_atom_id
_struct_conn.ptnr2_label_comp_id
_struct_conn.ptnr2_label_seq_id
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
RCSB
Y
RCSB
1999-07-21
REL
REL
CA
CALCIUM ION
ZN
ZINC ION
MG
MAGNESIUM ION
SO4
SULFATE ION
HOH
water
HIS91 IS MONOPROTONATED ON THE EPSILON NITROGEN.
HIS40 IS DIPROTONATED.
HIS57 HAS A MONOPROTONATED COMPONENT (PROTON ON ND1),
COORDINATING ZN+2 THROUGH NE2, AND A DIPROTONATED COMPONENT.
THE PARTIAL OCCUPANCY OF ZN+2 REFLECTS THE PARTIAL
OCCUPANCY OF THE MONOPROTONATED HIS57 COMPONENT THAT
COORDINATES THE ZN+2.
CA
247
2
CA
CA
247
A
ZN
409
3
ZN
ZN
409
A
MG
410
4
MG
MG
410
A
SO4
646
5
SO4
SO4
646
A
HOH
248
6
HOH
HOH
248
A
HOH
249
6
HOH
HOH
249
A
HOH
250
6
HOH
HOH
250
A
HOH
251
6
HOH
HOH
251
A
HOH
252
6
HOH
HOH
252
A
HOH
253
6
HOH
HOH
253
A
HOH
254
6
HOH
HOH
254
A
HOH
255
6
HOH
HOH
255
A
HOH
256
6
HOH
HOH
256
A
HOH
257
6
HOH
HOH
257
A
HOH
258
6
HOH
HOH
258
A
HOH
259
6
HOH
HOH
259
A
HOH
260
6
HOH
HOH
260
A
HOH
261
6
HOH
HOH
261
A
HOH
262
6
HOH
HOH
262
A
HOH
263
6
HOH
HOH
263
A
HOH
264
6
HOH
HOH
264
A
HOH
265
6
HOH
HOH
265
A
HOH
266
6
HOH
HOH
266
A
HOH
267
6
HOH
HOH
267
A
HOH
268
6
HOH
HOH
268
A
HOH
269
6
HOH
HOH
269
A
HOH
270
6
HOH
HOH
270
A
HOH
271
6
HOH
HOH
271
A
HOH
272
6
HOH
HOH
272
A
HOH
273
6
HOH
HOH
273
A
HOH
274
6
HOH
HOH
274
A
HOH
275
6
HOH
HOH
275
A
HOH
276
6
HOH
HOH
276
A
HOH
277
6
HOH
HOH
277
A
HOH
278
6
HOH
HOH
278
A
HOH
279
6
HOH
HOH
279
A
HOH
280
6
HOH
HOH
280
A
HOH
281
6
HOH
HOH
281
A
HOH
282
6
HOH
HOH
282
A
HOH
283
6
HOH
HOH
283
A
HOH
284
6
HOH
HOH
284
A
HOH
285
6
HOH
HOH
285
A
HOH
286
6
HOH
HOH
286
A
HOH
287
6
HOH
HOH
287
A
HOH
288
6
HOH
HOH
288
A
HOH
289
6
HOH
HOH
289
A
HOH
290
6
HOH
HOH
290
A
HOH
291
6
HOH
HOH
291
A
HOH
292
6
HOH
HOH
292
A
HOH
293
6
HOH
HOH
293
A
HOH
294
6
HOH
HOH
294
A
HOH
295
6
HOH
HOH
295
A
HOH
297
6
HOH
HOH
297
A
HOH
298
6
HOH
HOH
298
A
HOH
299
6
HOH
HOH
299
A
HOH
300
6
HOH
HOH
300
A
HOH
301
6
HOH
HOH
301
A
HOH
302
6
HOH
HOH
302
A
HOH
304
6
HOH
HOH
304
A
HOH
305
6
HOH
HOH
305
A
HOH
306
6
HOH
HOH
306
A
HOH
307
6
HOH
HOH
307
A
HOH
308
6
HOH
HOH
308
A
HOH
309
6
HOH
HOH
309
A
HOH
310
6
HOH
HOH
310
A
HOH
311
6
HOH
HOH
311
A
HOH
312
6
HOH
HOH
312
A
HOH
313
6
HOH
HOH
313
A
HOH
314
6
HOH
HOH
314
A
HOH
315
6
HOH
HOH
315
A
HOH
316
6
HOH
HOH
316
A
HOH
317
6
HOH
HOH
317
A
HOH
318
6
HOH
HOH
318
A
HOH
319
6
HOH
HOH
319
A
HOH
320
6
HOH
HOH
320
A
HOH
321
6
HOH
HOH
321
A
HOH
322
6
HOH
HOH
322
A
HOH
323
6
HOH
HOH
323
A
HOH
324
6
HOH
HOH
324
A
HOH
325
6
HOH
HOH
325
A
HOH
326
6
HOH
HOH
326
A
HOH
330
6
HOH
HOH
330
A
HOH
332
6
HOH
HOH
332
A
HOH
333
6
HOH
HOH
333
A
HOH
334
6
HOH
HOH
334
A
HOH
335
6
HOH
HOH
335
A
HOH
336
6
HOH
HOH
336
A
HOH
337
6
HOH
HOH
337
A
HOH
338
6
HOH
HOH
338
A
HOH
339
6
HOH
HOH
339
A
HOH
340
6
HOH
HOH
340
A
HOH
341
6
HOH
HOH
341
A
HOH
342
6
HOH
HOH
342
A
HOH
343
6
HOH
HOH
343
A
HOH
344
6
HOH
HOH
344
A
HOH
345
6
HOH
HOH
345
A
HOH
346
6
HOH
HOH
346
A
HOH
348
6
HOH
HOH
348
A
HOH
349
6
HOH
HOH
349
A
HOH
350
6
HOH
HOH
350
A
HOH
351
6
HOH
HOH
351
A
HOH
356
6
HOH
HOH
356
A
HOH
357
6
HOH
HOH
357
A
HOH
358
6
HOH
HOH
358
A
HOH
359
6
HOH
HOH
359
A
HOH
362
6
HOH
HOH
362
A
HOH
363
6
HOH
HOH
363
A
HOH
364
6
HOH
HOH
364
A
HOH
367
6
HOH
HOH
367
A
HOH
370
6
HOH
HOH
370
A
HOH
373
6
HOH
HOH
373
A
HOH
374
6
HOH
HOH
374
A
HOH
376
6
HOH
HOH
376
A
HOH
378
6
HOH
HOH
378
A
HOH
379
6
HOH
HOH
379
A
HOH
380
6
HOH
HOH
380
A
HOH
381
6
HOH
HOH
381
A
HOH
382
6
HOH
HOH
382
A
HOH
383
6
HOH
HOH
383
A
HOH
385
6
HOH
HOH
385
A
HOH
386
6
HOH
HOH
386
A
HOH
387
6
HOH
HOH
387
A
HOH
390
6
HOH
HOH
390
A
HOH
392
6
HOH
HOH
392
A
HOH
393
6
HOH
HOH
393
A
HOH
395
6
HOH
HOH
395
A
HOH
396
6
HOH
HOH
396
A
HOH
397
6
HOH
HOH
397
A
HOH
398
6
HOH
HOH
398
A
HOH
399
6
HOH
HOH
399
A
HOH
400
6
HOH
HOH
400
A
HOH
401
6
HOH
HOH
401
A
HOH
403
6
HOH
HOH
403
A
HOH
404
6
HOH
HOH
404
A
HOH
406
6
HOH
HOH
406
A
HOH
407
6
HOH
HOH
407
A
HOH
412
6
HOH
HOH
412
A
HOH
413
6
HOH
HOH
413
A
HOH
414
6
HOH
HOH
414
A
HOH
415
6
HOH
HOH
415
A
HOH
416
6
HOH
HOH
416
A
HOH
417
6
HOH
HOH
417
A
HOH
418
6
HOH
HOH
418
A
HOH
419
6
HOH
HOH
419
A
HOH
430
6
HOH
HOH
430
A
HOH
435
6
HOH
HOH
435
A
HOH
436
6
HOH
HOH
436
A
HOH
442
6
HOH
HOH
442
A
HOH
444
6
HOH
HOH
444
A
HOH
445
6
HOH
HOH
445
A
HOH
449
6
HOH
HOH
449
A
HOH
450
6
HOH
HOH
450
A
HOH
453
6
HOH
HOH
453
A
HOH
455
6
HOH
HOH
455
A
HOH
457
6
HOH
HOH
457
A
HOH
466
6
HOH
HOH
466
A
HOH
467
6
HOH
HOH
467
A
HOH
479
6
HOH
HOH
479
A
HOH
489
6
HOH
HOH
489
A
HOH
500
6
HOH
HOH
500
A
HOH
501
6
HOH
HOH
501
A
HOH
508
6
HOH
HOH
508
A
HOH
511
6
HOH
HOH
511
A
HOH
512
6
HOH
HOH
512
A
HOH
519
6
HOH
HOH
519
A
HOH
523
6
HOH
HOH
523
A
HOH
527
6
HOH
HOH
527
A
HOH
532
6
HOH
HOH
532
A
HOH
533
6
HOH
HOH
533
A
HOH
536
6
HOH
HOH
536
A
HOH
553
6
HOH
HOH
553
A
HOH
594
6
HOH
HOH
594
A
HOH
606
6
HOH
HOH
606
A
HOH
611
6
HOH
HOH
611
A
HOH
612
6
HOH
HOH
612
A
HOH
617
6
HOH
HOH
617
A
HOH
624
6
HOH
HOH
624
A
HOH
627
6
HOH
HOH
627
A
HOH
629
6
HOH
HOH
629
A
HOH
631
6
HOH
HOH
631
A
HOH
636
6
HOH
HOH
636
A
HOH
652
6
HOH
HOH
652
A
HOH
664
6
HOH
HOH
664
A
HOH
667
6
HOH
HOH
667
A
HOH
675
6
HOH
HOH
675
A
HOH
677
6
HOH
HOH
677
A
HOH
681
6
HOH
HOH
681
A
HOH
686
6
HOH
HOH
686
A
HOH
688
6
HOH
HOH
688
A
HOH
697
6
HOH
HOH
697
A
HOH
699
6
HOH
HOH
699
A
HOH
734
6
HOH
HOH
734
A
HOH
735
6
HOH
HOH
735
A
HOH
737
6
HOH
HOH
737
A
HOH
738
6
HOH
HOH
738
A
HOH
747
6
HOH
HOH
747
A
HOH
749
6
HOH
HOH
749
A
HOH
757
6
HOH
HOH
757
A
HOH
758
6
HOH
HOH
758
A
HOH
764
6
HOH
HOH
764
A
HOH
765
6
HOH
HOH
765
A
HOH
785
6
HOH
HOH
785
A
HOH
798
6
HOH
HOH
798
A
HOH
814
6
HOH
HOH
814
A
HOH
818
6
HOH
HOH
818
A
HOH
826
6
HOH
HOH
826
A
HOH
827
6
HOH
HOH
827
A
HOH
829
6
HOH
HOH
829
A
HOH
837
6
HOH
HOH
837
A
HOH
838
6
HOH
HOH
838
A
HOH
847
6
HOH
HOH
847
A
HOH
870
6
HOH
HOH
870
A
HOH
871
6
HOH
HOH
871
A
HOH
872
6
HOH
HOH
872
A
HOH
873
6
HOH
HOH
873
A
HOH
874
6
HOH
HOH
874
A
HOH
875
6
HOH
HOH
875
A
ILE
16
n
1
ILE
16
A
VAL
17
n
2
VAL
17
A
GLY
18
n
3
GLY
18
A
GLY
19
n
4
GLY
19
A
TYR
20
n
5
TYR
20
A
THR
21
n
6
THR
21
A
CYS
22
n
7
CYS
22
A
GLY
23
n
8
GLY
23
A
ALA
24
n
9
ALA
24
A
ASN
25
n
10
ASN
25
A
THR
26
n
11
THR
26
A
VAL
27
n
12
VAL
27
A
PRO
28
n
13
PRO
28
A
TYR
29
n
14
TYR
29
A
GLN
30
n
15
GLN
30
A
VAL
31
n
16
VAL
31
A
SER
32
n
17
SER
32
A
LEU
33
n
18
LEU
33
A
ASN
34
n
19
ASN
34
A
SER
37
n
20
SER
37
A
GLY
38
n
21
GLY
38
A
TYR
39
n
22
TYR
39
A
HIS
40
n
23
HIS
40
A
PHE
41
n
24
PHE
41
A
CYS
42
n
25
CYS
42
A
GLY
43
n
26
GLY
43
A
GLY
44
n
27
GLY
44
A
SER
45
n
28
SER
45
A
LEU
46
n
29
LEU
46
A
ILE
47
n
30
ILE
47
A
ASN
48
n
31
ASN
48
A
SER
49
n
32
SER
49
A
GLN
50
n
33
GLN
50
A
TRP
51
n
34
TRP
51
A
VAL
52
n
35
VAL
52
A
VAL
53
n
36
VAL
53
A
SER
54
n
37
SER
54
A
ALA
55
n
38
ALA
55
A
ALA
56
n
39
ALA
56
A
HIS
57
n
40
HIS
57
A
CYS
58
n
41
CYS
58
A
TYR
59
n
42
TYR
59
A
LYS
60
n
43
LYS
60
A
SER
61
n
44
SER
61
A
GLY
62
n
45
GLY
62
A
ILE
63
n
46
ILE
63
A
GLN
64
n
47
GLN
64
A
VAL
65
n
48
VAL
65
A
ARG
66
n
49
ARG
66
A
LEU
67
n
50
LEU
67
A
GLY
69
n
51
GLY
69
A
GLU
70
n
52
GLU
70
A
ASP
71
n
53
ASP
71
A
ASN
72
n
54
ASN
72
A
ILE
73
n
55
ILE
73
A
ASN
74
n
56
ASN
74
A
VAL
75
n
57
VAL
75
A
VAL
76
n
58
VAL
76
A
GLU
77
n
59
GLU
77
A
GLY
78
n
60
GLY
78
A
ASN
79
n
61
ASN
79
A
GLU
80
n
62
GLU
80
A
GLN
81
n
63
GLN
81
A
PHE
82
n
64
PHE
82
A
ILE
83
n
65
ILE
83
A
SER
84
n
66
SER
84
A
ALA
85
n
67
ALA
85
A
SER
86
n
68
SER
86
A
LYS
87
n
69
LYS
87
A
SER
88
n
70
SER
88
A
ILE
89
n
71
ILE
89
A
VAL
90
n
72
VAL
90
A
HIS
91
n
73
HIS
91
A
PRO
92
n
74
PRO
92
A
SER
93
n
75
SER
93
A
TYR
94
n
76
TYR
94
A
ASN
95
n
77
ASN
95
A
SER
96
n
78
SER
96
A
ASN
97
n
79
ASN
97
A
THR
98
n
80
THR
98
A
LEU
99
n
81
LEU
99
A
ASN
100
n
82
ASN
100
A
ASN
101
n
83
ASN
101
A
ASP
102
n
84
ASP
102
A
ILE
103
n
85
ILE
103
A
MET
104
n
86
MET
104
A
LEU
105
n
87
LEU
105
A
ILE
106
n
88
ILE
106
A
LYS
107
n
89
LYS
107
A
LEU
108
n
90
LEU
108
A
LYS
109
n
91
LYS
109
A
SER
110
n
92
SER
110
A
ALA
111
n
93
ALA
111
A
ALA
112
n
94
ALA
112
A
SER
113
n
95
SER
113
A
LEU
114
n
96
LEU
114
A
ASN
115
n
97
ASN
115
A
SER
116
n
98
SER
116
A
ARG
117
n
99
ARG
117
A
VAL
118
n
100
VAL
118
A
ALA
119
n
101
ALA
119
A
SER
120
n
102
SER
120
A
ILE
121
n
103
ILE
121
A
SER
122
n
104
SER
122
A
LEU
123
n
105
LEU
123
A
PRO
124
n
106
PRO
124
A
THR
125
n
107
THR
125
A
SER
127
n
108
SER
127
A
CYS
128
n
109
CYS
128
A
ALA
129
n
110
ALA
129
A
SER
130
n
111
SER
130
A
ALA
132
n
112
ALA
132
A
GLY
133
n
113
GLY
133
A
THR
134
n
114
THR
134
A
GLN
135
n
115
GLN
135
A
CYS
136
n
116
CYS
136
A
LEU
137
n
117
LEU
137
A
ILE
138
n
118
ILE
138
A
SER
139
n
119
SER
139
A
GLY
140
n
120
GLY
140
A
TRP
141
n
121
TRP
141
A
GLY
142
n
122
GLY
142
A
ASN
143
n
123
ASN
143
A
THR
144
n
124
THR
144
A
LYS
145
n
125
LYS
145
A
SER
146
n
126
SER
146
A
SER
147
n
127
SER
147
A
GLY
148
n
128
GLY
148
A
THR
149
n
129
THR
149
A
SER
150
n
130
SER
150
A
TYR
151
n
131
TYR
151
A
PRO
152
n
132
PRO
152
A
ASP
153
n
133
ASP
153
A
VAL
154
n
134
VAL
154
A
LEU
155
n
135
LEU
155
A
LYS
156
n
136
LYS
156
A
CYS
157
n
137
CYS
157
A
LEU
158
n
138
LEU
158
A
LYS
159
n
139
LYS
159
A
ALA
160
n
140
ALA
160
A
PRO
161
n
141
PRO
161
A
ILE
162
n
142
ILE
162
A
LEU
163
n
143
LEU
163
A
SER
164
n
144
SER
164
A
ASP
165
n
145
ASP
165
A
SER
166
n
146
SER
166
A
SER
167
n
147
SER
167
A
CYS
168
n
148
CYS
168
A
LYS
169
n
149
LYS
169
A
SER
170
n
150
SER
170
A
ALA
171
n
151
ALA
171
A
TYR
172
n
152
TYR
172
A
PRO
173
n
153
PRO
173
A
GLY
174
n
154
GLY
174
A
GLN
175
n
155
GLN
175
A
ILE
176
n
156
ILE
176
A
THR
177
n
157
THR
177
A
SER
178
n
158
SER
178
A
ASN
179
n
159
ASN
179
A
MET
180
n
160
MET
180
A
PHE
181
n
161
PHE
181
A
CYS
182
n
162
CYS
182
A
ALA
183
n
163
ALA
183
A
GLY
184
n
164
A
GLY
184
A
TYR
184
n
165
TYR
184
A
LEU
185
n
166
LEU
185
A
GLU
186
n
167
GLU
186
A
GLY
187
n
168
GLY
187
A
GLY
188
n
169
A
GLY
188
A
LYS
188
n
170
LYS
188
A
ASP
189
n
171
ASP
189
A
SER
190
n
172
SER
190
A
CYS
191
n
173
CYS
191
A
GLN
192
n
174
GLN
192
A
GLY
193
n
175
GLY
193
A
ASP
194
n
176
ASP
194
A
SER
195
n
177
SER
195
A
GLY
196
n
178
GLY
196
A
GLY
197
n
179
GLY
197
A
PRO
198
n
180
PRO
198
A
VAL
199
n
181
VAL
199
A
VAL
200
n
182
VAL
200
A
CYS
201
n
183
CYS
201
A
SER
202
n
184
SER
202
A
GLY
203
n
185
GLY
203
A
LYS
204
n
186
LYS
204
A
LEU
209
n
187
LEU
209
A
GLN
210
n
188
GLN
210
A
GLY
211
n
189
GLY
211
A
ILE
212
n
190
ILE
212
A
VAL
213
n
191
VAL
213
A
SER
214
n
192
SER
214
A
TRP
215
n
193
TRP
215
A
GLY
216
n
194
GLY
216
A
SER
217
n
195
SER
217
A
GLY
219
n
196
GLY
219
A
CYS
220
n
197
CYS
220
A
ALA
221
n
198
A
ALA
221
A
GLN
221
n
199
GLN
221
A
LYS
222
n
200
LYS
222
A
ASN
223
n
201
ASN
223
A
LYS
224
n
202
LYS
224
A
PRO
225
n
203
PRO
225
A
GLY
226
n
204
GLY
226
A
VAL
227
n
205
VAL
227
A
TYR
228
n
206
TYR
228
A
THR
229
n
207
THR
229
A
LYS
230
n
208
LYS
230
A
VAL
231
n
209
VAL
231
A
CYS
232
n
210
CYS
232
A
ASN
233
n
211
ASN
233
A
TYR
234
n
212
TYR
234
A
VAL
235
n
213
VAL
235
A
SER
236
n
214
SER
236
A
TRP
237
n
215
TRP
237
A
ILE
238
n
216
ILE
238
A
LYS
239
n
217
LYS
239
A
GLN
240
n
218
GLN
240
A
THR
241
n
219
THR
241
A
ILE
242
n
220
ILE
242
A
ALA
243
n
221
ALA
243
A
SER
244
n
222
SER
244
A
ASN
245
n
223
ASN
245
A
author_defined_assembly
1
monomeric
A
HIS
57
A
A
NE2
HIS
40
1_555
A
ZN
409
A
C
ZN
ZN
1_555
A
SER
195
A
OG
SER
177
1_555
86.8
A
HIS
57
A
A
NE2
HIS
40
1_555
A
ZN
409
A
C
ZN
ZN
1_555
A
HOH
337
F
O
HOH
1_555
82.8
A
SER
195
A
OG
SER
177
1_555
A
ZN
409
A
C
ZN
ZN
1_555
A
HOH
337
F
O
HOH
1_555
122.4
A
HIS
57
A
A
NE2
HIS
40
1_555
A
ZN
409
A
C
ZN
ZN
1_555
A
HOH
467
F
O
HOH
1_555
125.9
A
SER
195
A
OG
SER
177
1_555
A
ZN
409
A
C
ZN
ZN
1_555
A
HOH
467
F
O
HOH
1_555
73.7
A
HOH
337
F
O
HOH
1_555
A
ZN
409
A
C
ZN
ZN
1_555
A
HOH
467
F
O
HOH
1_555
149.8
A
GLU
70
A
OE1
GLU
52
1_555
A
CA
247
B
CA
CA
1_555
A
ASN
72
A
O
ASN
54
1_555
76.1
A
GLU
70
A
OE1
GLU
52
1_555
A
CA
247
B
CA
CA
1_555
A
VAL
75
A
O
VAL
57
1_555
159.0
A
ASN
72
A
O
ASN
54
1_555
A
CA
247
B
CA
CA
1_555
A
VAL
75
A
O
VAL
57
1_555
87.6
A
GLU
70
A
OE1
GLU
52
1_555
A
CA
247
B
CA
CA
1_555
A
GLU
80
A
OE2
GLU
62
1_555
105.2
A
ASN
72
A
O
ASN
54
1_555
A
CA
247
B
CA
CA
1_555
A
GLU
80
A
OE2
GLU
62
1_555
168.6
A
VAL
75
A
O
VAL
57
1_555
A
CA
247
B
CA
CA
1_555
A
GLU
80
A
OE2
GLU
62
1_555
93.4
A
GLU
70
A
OE1
GLU
52
1_555
A
CA
247
B
CA
CA
1_555
A
HOH
271
F
O
HOH
1_555
81.4
A
ASN
72
A
O
ASN
54
1_555
A
CA
247
B
CA
CA
1_555
A
HOH
271
F
O
HOH
1_555
97.3
A
VAL
75
A
O
VAL
57
1_555
A
CA
247
B
CA
CA
1_555
A
HOH
271
F
O
HOH
1_555
87.7
A
GLU
80
A
OE2
GLU
62
1_555
A
CA
247
B
CA
CA
1_555
A
HOH
271
F
O
HOH
1_555
94.1
A
GLU
70
A
OE1
GLU
52
1_555
A
CA
247
B
CA
CA
1_555
A
HOH
309
F
O
HOH
1_555
91.5
A
ASN
72
A
O
ASN
54
1_555
A
CA
247
B
CA
CA
1_555
A
HOH
309
F
O
HOH
1_555
91.8
A
VAL
75
A
O
VAL
57
1_555
A
CA
247
B
CA
CA
1_555
A
HOH
309
F
O
HOH
1_555
102.4
A
GLU
80
A
OE2
GLU
62
1_555
A
CA
247
B
CA
CA
1_555
A
HOH
309
F
O
HOH
1_555
76.8
A
HOH
271
F
O
HOH
1_555
A
CA
247
B
CA
CA
1_555
A
HOH
309
F
O
HOH
1_555
166.7
A
ASP
189
A
OD2
ASP
171
1_555
A
MG
410
D
MG
MG
1_555
A
HOH
326
F
O
HOH
1_555
124.8
A
ASP
189
A
OD2
ASP
171
1_555
A
MG
410
D
MG
MG
1_555
A
HOH
378
F
O
HOH
1_555
88.3
A
HOH
326
F
O
HOH
1_555
A
MG
410
D
MG
MG
1_555
A
HOH
378
F
O
HOH
1_555
77.6
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
1_555
x,y,z
identity operation
0.0000000000
0.0000000000
0.0000000000
A
O
TYR
20
A
O
TYR
5
A
N
CYS
157
A
N
CYS
137
A
O
ALA
160
A
O
ALA
140
A
N
CYS
136
A
N
CYS
116
A
N
SER
139
A
N
SER
119
A
O
PRO
198
A
O
PRO
180
A
N
CYS
201
A
N
CYS
183
A
O
LYS
204
A
O
LYS
186
A
O
TRP
215
A
O
TRP
193
A
N
VAL
227
A
N
VAL
205
A
N
TYR
228
A
N
TYR
206
A
O
PHE
181
A
O
PHE
161
A
O
LEU
33
A
O
LEU
18
A
N
PHE
41
A
N
PHE
24
A
O
GLY
44
A
O
GLY
27
A
N
VAL
31
A
N
VAL
16
A
N
ASN
34
A
N
ASN
19
A
O
GLN
64
A
O
GLN
47
A
N
LEU
67
A
N
LEU
50
A
O
GLN
81
A
O
GLN
63
A
N
ILE
89
A
N
ILE
71
A
O
LEU
105
A
O
LEU
87
A
N
ILE
106
A
N
ILE
88
A
O
VAL
52
A
O
VAL
35
1
A
HOH
386
F
HOH
1
A
HOH
436
F
HOH
1
A
HOH
827
F
HOH
1
A
A
OG1
H2
THR
HOH
125
298
1.54
1
A
A
O
H1
SER
HOH
214
337
1.57
1
A
A
OG
H2
SER
HOH
49
286
1.58
1
A
A
O
H2
LYS
HOH
224
260
1.58
1
A
A
OG
H2
SER
HOH
32
255
1.59
1
A
A
O
H1
GLY
HOH
216
414
1.60
1
A
A
O
H1
SER
HOH
217
252
1.60
1
A
A
O
H2
GLY
HOH
18
359
1.60
1
A
ARG
66
0.106
SIDE CHAIN
1
9.01
0.90
109.00
118.01
A
A
A
CD1
NE1
CE2
TRP
TRP
TRP
51
51
51
N
1
9.24
1.10
130.40
139.64
A
A
A
NE1
CE2
CZ2
TRP
TRP
TRP
51
51
51
N
1
-6.77
1.00
107.30
100.53
A
A
A
NE1
CE2
CD2
TRP
TRP
TRP
51
51
51
N
1
6.43
0.70
109.00
115.43
A
A
A
CE1
NE2
CD2
HIS
HIS
HIS
57
57
57
B
B
B
N
1
-8.93
1.20
106.70
97.77
A
A
A
CG
CD2
NE2
HIS
HIS
HIS
57
57
57
B
B
B
N
1
-4.37
0.50
120.30
115.93
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
117
117
117
N
1
-6.49
1.00
110.10
103.61
A
A
A
CG
CD1
NE1
TRP
TRP
TRP
141
141
141
N
1
8.18
0.90
109.00
117.18
A
A
A
CD1
NE1
CE2
TRP
TRP
TRP
141
141
141
N
1
7.49
1.10
130.40
137.89
A
A
A
NE1
CE2
CZ2
TRP
TRP
TRP
141
141
141
N
1
-6.59
0.90
118.30
111.71
A
A
A
CB
CG
OD1
ASP
ASP
ASP
189
189
189
N
1
-16.22
2.70
111.00
94.78
A
A
A
N
CA
C
VAL
VAL
VAL
199
199
199
N
1
-6.08
1.00
110.10
104.02
A
A
A
CG
CD1
NE1
TRP
TRP
TRP
215
215
215
N
1
7.35
0.90
109.00
116.35
A
A
A
CD1
NE1
CE2
TRP
TRP
TRP
215
215
215
N
1
-6.53
1.00
110.10
103.57
A
A
A
CG
CD1
NE1
TRP
TRP
TRP
237
237
237
N
1
8.11
0.90
109.00
117.11
A
A
A
CD1
NE1
CE2
TRP
TRP
TRP
237
237
237
N
1
8.81
1.10
130.40
139.21
A
A
A
NE1
CE2
CZ2
TRP
TRP
TRP
237
237
237
N
1
-6.09
1.00
107.30
101.21
A
A
A
NE1
CE2
CD2
TRP
TRP
TRP
237
237
237
N
1
A
A
NE2
CD2
HIS
HIS
40
40
-0.070
0.011
1.373
1.303
N
1
A
A
CG
CD2
HIS
HIS
57
57
0.073
0.009
1.354
1.427
B
B
N
1
A
A
CG
ND1
HIS
HIS
57
57
-0.092
0.015
1.369
1.277
B
B
N
1
A
A
NE2
CD2
HIS
HIS
91
91
-0.081
0.011
1.373
1.292
N
1
A
A
O
H2
GLY
HOH
203
699
1.55
1_555
4_546
1
A
ASP
71
-131.00
-75.83
1
A
ASP
189
178.42
169.71
A
1
A
ALA
221
46.14
28.44
PARMALLH3X_TRZN498.PRO
TOPALLH6X_TRZN498.PRO
PARAM11_UCSF.WAT
BULK SOLVENT TERMS INCLUDED IN FOB FILE CREATED WITH STANDARD X-PLOR SCRIPT.
0.234
0.195
0.195
1.40
7.5
2864
28118
10.000
74.0
1
X-PLOR
1.700
DIFFERENCE FOURIER PLUS REFINEMENT
1.40
7.5
639
3944
8
0
3297
0.018
3.70
26.20
0.52
0.422
0.413
1.46
178
1571
8
10.00
37.40
1.330
35.840
1C2M
32374
0.5000
0.085
1
8.2000
2.300
74.0
0.345
1.4
1.46
1.600
37.4
data collection
bioteX
(MSC)
data reduction
bioteX
(MSC)
model building
X-PLOR
model building
Quanta
model building
Insight II
refinement
X-PLOR
3.1
data scaling
bioteX
phasing
X-PLOR
RECRUITING ZINC TO MEDIATE POTENT, SPECIFIC INHIBITION OF SERINE PROTEASES
1
N
N
2
N
N
3
N
N
4
N
N
5
N
N
6
N
N
A
ALA
55
A
ALA
38
HELX_P
A
TYR
59
A
TYR
42
5
1
5
A
SER
164
A
SER
144
HELX_P
A
TYR
172
A
TYR
152
1
2
9
A
TYR
234
A
TYR
212
HELX_P
A
SER
244
A
SER
222
1
3
11
disulf
2.020
A
CYS
22
A
SG
CYS
7
1_555
A
CYS
157
A
SG
CYS
137
1_555
disulf
1.994
A
CYS
42
A
SG
CYS
25
1_555
A
CYS
58
A
SG
CYS
41
1_555
disulf
1.989
A
CYS
128
A
SG
CYS
109
1_555
A
CYS
232
A
SG
CYS
210
1_555
disulf
2.030
A
CYS
136
A
SG
CYS
116
1_555
A
CYS
201
A
SG
CYS
183
1_555
disulf
2.022
A
CYS
168
A
SG
CYS
148
1_555
A
CYS
182
A
SG
CYS
162
1_555
disulf
2.021
A
CYS
191
A
SG
CYS
173
1_555
A
CYS
220
A
SG
CYS
197
1_555
metalc
2.288
A
A
A
HIS
57
A
NE2
HIS
40
1_555
A
ZN
409
C
ZN
ZN
1_555
metalc
2.410
A
GLU
70
A
OE1
GLU
52
1_555
A
CA
247
B
CA
CA
1_555
metalc
2.388
A
ASN
72
A
O
ASN
54
1_555
A
CA
247
B
CA
CA
1_555
metalc
2.196
A
VAL
75
A
O
VAL
57
1_555
A
CA
247
B
CA
CA
1_555
metalc
2.354
A
GLU
80
A
OE2
GLU
62
1_555
A
CA
247
B
CA
CA
1_555
metalc
3.138
A
ASP
189
A
OD2
ASP
171
1_555
A
MG
410
D
MG
MG
1_555
metalc
2.279
A
A
SER
195
A
OG
SER
177
1_555
A
ZN
409
C
ZN
ZN
1_555
metalc
2.308
A
CA
247
B
CA
CA
1_555
A
HOH
271
F
O
HOH
1_555
metalc
2.308
A
CA
247
B
CA
CA
1_555
A
HOH
309
F
O
HOH
1_555
metalc
2.287
A
HOH
326
F
O
HOH
1_555
A
MG
410
D
MG
MG
1_555
metalc
2.497
A
A
HOH
337
F
O
HOH
1_555
A
ZN
409
C
ZN
ZN
1_555
metalc
1.964
A
HOH
378
F
O
HOH
1_555
A
MG
410
D
MG
MG
1_555
metalc
2.478
A
A
ZN
409
C
ZN
ZN
1_555
A
HOH
467
F
O
HOH
1_555
HYDROLASE/HYDROLASE INHIBITOR
ZN(II)-MEDIATED SERINE PROTEASE INHIBITORS, PH DEPENDENCE, ZN(II) AFFINITY STUCTURE-BASED DRUG DESIGN, SERINE PROTEASE, HYDROLASE-HYDROLASE INHIBITOR COMPLEX
TRY1_BOVIN
UNP
1
P00760
21
243
1C2M
16
245
P00760
A
1
1
223
7
7
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
TYR
20
A
TYR
5
A
THR
21
A
THR
6
A
LYS
156
A
LYS
136
A
PRO
161
A
PRO
141
A
GLN
135
A
GLN
115
A
GLY
140
A
GLY
120
A
PRO
198
A
PRO
180
A
CYS
201
A
CYS
183
A
LYS
204
A
LYS
186
A
TRP
215
A
TRP
193
A
GLY
226
A
GLY
204
A
LYS
230
A
LYS
208
A
MET
180
A
MET
160
A
ALA
183
A
ALA
163
A
GLN
30
A
GLN
15
A
ASN
34
A
ASN
19
A
HIS
40
A
HIS
23
A
ASN
48
A
ASN
31
A
GLN
30
A
GLN
15
A
ASN
34
A
ASN
19
A
GLN
64
A
GLN
47
A
LEU
67
A
LEU
50
A
GLN
81
A
GLN
63
A
VAL
90
A
VAL
72
A
MET
104
A
MET
86
A
LEU
108
A
LEU
90
A
TRP
51
A
TRP
34
A
SER
54
A
SER
37
BINDING SITE FOR RESIDUE CA A 247
A
CA
247
Software
6
BINDING SITE FOR RESIDUE ZN A 409
A
ZN
409
Software
4
BINDING SITE FOR RESIDUE MG A 410
A
MG
410
Software
6
BINDING SITE FOR RESIDUE SO4 A 646
A
SO4
646
Software
3
A
GLU
70
A
GLU
52
6
1_555
A
ASN
72
A
ASN
54
6
1_555
A
VAL
75
A
VAL
57
6
1_555
A
GLU
80
A
GLU
62
6
1_555
A
HOH
271
F
HOH
6
1_555
A
HOH
309
F
HOH
6
1_555
A
HIS
57
A
HIS
40
4
1_555
A
SER
195
A
SER
177
4
1_555
A
HOH
337
F
HOH
4
1_555
A
HOH
467
F
HOH
4
1_555
A
ASP
189
A
ASP
171
6
1_555
A
SER
190
A
SER
172
6
1_555
A
GLY
216
A
GLY
194
6
1_555
A
GLY
226
A
GLY
204
6
1_555
A
HOH
326
F
HOH
6
1_555
A
HOH
378
F
HOH
6
1_555
A
ASN
79
A
ASN
61
3
5_555
A
ARG
117
A
ARG
99
3
5_555
A
LYS
159
A
LYS
139
3
1_555
152
P 31 2 1