0.014637
0.000000
0.000000
0.000000
0.014637
0.000000
0.000000
0.000000
0.009234
0.00000
0.00000
0.00000
Singh, N.
Sharma, S.
Kumar, S.
Raman, G.
Singh, T.P.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
90.00
90.00
68.319
68.319
108.292
C8 H7 N O2
149.147
3H-INDOLE-5,6-DIOL
non-polymer
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
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
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
Y
1
N
N
Y
2
N
C
Y
3
N
C
Y
4
N
C
Y
5
N
C
Y
6
N
C
Y
7
N
C
Y
8
N
C
Y
9
N
C
N
10
N
O
N
11
N
O
N
12
N
H
N
13
N
H
N
14
N
H
N
15
N
H
N
16
N
H
N
17
N
H
N
18
N
H
N
19
N
N
N
20
S
C
N
21
N
C
N
22
N
O
N
23
N
C
N
24
N
O
N
25
N
H
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
N
N
33
S
C
N
34
N
C
N
35
N
O
N
36
N
C
N
37
N
C
N
38
N
C
N
39
N
N
N
40
N
C
N
41
N
N
N
42
N
N
N
43
N
O
N
44
N
H
N
45
N
H
N
46
N
H
N
47
N
H
N
48
N
H
N
49
N
H
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
H
N
59
N
N
N
60
S
C
N
61
N
C
N
62
N
O
N
63
N
C
N
64
N
C
N
65
N
O
N
66
N
N
N
67
N
O
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
H
N
75
N
H
N
76
N
N
N
77
S
C
N
78
N
C
N
79
N
O
N
80
N
C
N
81
N
C
N
82
N
O
N
83
N
O
N
84
N
O
N
85
N
H
N
86
N
H
N
87
N
H
N
88
N
H
N
89
N
H
N
90
N
H
N
91
N
H
N
92
N
CA
N
93
N
N
N
94
R
C
N
95
N
C
N
96
N
O
N
97
N
C
N
98
N
S
N
99
N
O
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
N
N
108
S
C
N
109
N
C
N
110
N
O
N
111
N
C
N
112
N
C
N
113
N
C
N
114
N
O
N
115
N
N
N
116
N
O
N
117
N
H
N
118
N
H
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
N
N
128
S
C
N
129
N
C
N
130
N
O
N
131
N
C
N
132
N
C
N
133
N
C
N
134
N
O
N
135
N
O
N
136
N
O
N
137
N
H
N
138
N
H
N
139
N
H
N
140
N
H
N
141
N
H
N
142
N
H
N
143
N
H
N
144
N
H
N
145
N
H
N
146
N
N
N
147
N
C
N
148
N
C
N
149
N
O
N
150
N
O
N
151
N
H
N
152
N
H
N
153
N
H
N
154
N
H
N
155
N
H
N
156
N
N
N
157
S
C
N
158
N
C
N
159
N
O
N
160
N
C
Y
161
N
C
Y
162
N
N
Y
163
N
C
Y
164
N
C
Y
165
N
N
N
166
N
O
N
167
N
H
N
168
N
H
N
169
N
H
N
170
N
H
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
O
N
178
N
H
N
179
N
H
N
180
N
N
N
181
S
C
N
182
N
C
N
183
N
O
N
184
S
C
N
185
N
C
N
186
N
C
N
187
N
C
N
188
N
O
N
189
N
H
N
190
N
H
N
191
N
H
N
192
N
H
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
N
N
203
S
C
N
204
N
C
N
205
N
O
N
206
N
C
N
207
N
C
N
208
N
C
N
209
N
C
N
210
N
O
N
211
N
H
N
212
N
H
N
213
N
H
N
214
N
H
N
215
N
H
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
N
N
225
S
C
N
226
N
C
N
227
N
O
N
228
N
C
N
229
N
C
N
230
N
C
N
231
N
C
N
232
N
N
N
233
N
O
N
234
N
H
N
235
N
H
N
236
N
H
N
237
N
H
N
238
N
H
N
239
N
H
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
N
N
250
S
C
N
251
N
C
N
252
N
O
N
253
N
C
N
254
N
C
N
255
N
S
N
256
N
C
N
257
N
O
N
258
N
H
N
259
N
H
N
260
N
H
N
261
N
H
N
262
N
H
N
263
N
H
N
264
N
H
N
265
N
H
N
266
N
H
N
267
N
H
N
268
N
H
N
269
N
N
N
270
S
C
N
271
N
C
N
272
N
O
N
273
N
C
Y
274
N
C
Y
275
N
C
Y
276
N
C
Y
277
N
C
Y
278
N
C
Y
279
N
C
N
280
N
O
N
281
N
H
N
282
N
H
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
C
N
298
N
C
N
299
N
O
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
H
N
307
N
H
N
308
N
H
N
309
N
N
N
310
S
C
N
311
N
C
N
312
N
O
N
313
N
C
N
314
N
O
N
315
N
O
N
316
N
H
N
317
N
H
N
318
N
H
N
319
N
H
N
320
N
H
N
321
N
H
N
322
N
H
N
323
N
N
N
324
S
C
N
325
N
C
N
326
N
O
N
327
R
C
N
328
N
O
N
329
N
C
N
330
N
O
N
331
N
H
N
332
N
H
N
333
N
H
N
334
N
H
N
335
N
H
N
336
N
H
N
337
N
H
N
338
N
H
N
339
N
H
N
340
N
N
N
341
S
C
N
342
N
C
N
343
N
O
N
344
N
C
Y
345
N
C
Y
346
N
C
Y
347
N
C
Y
348
N
N
Y
349
N
C
Y
350
N
C
Y
351
N
C
Y
352
N
C
Y
353
N
C
N
354
N
O
N
355
N
H
N
356
N
H
N
357
N
H
N
358
N
H
N
359
N
H
N
360
N
H
N
361
N
H
N
362
N
H
N
363
N
H
N
364
N
H
N
365
N
H
N
366
N
H
N
367
N
N
N
368
S
C
N
369
N
C
N
370
N
O
N
371
N
C
Y
372
N
C
Y
373
N
C
Y
374
N
C
Y
375
N
C
Y
376
N
C
Y
377
N
C
N
378
N
O
N
379
N
O
N
380
N
H
N
381
N
H
N
382
N
H
N
383
N
H
N
384
N
H
N
385
N
H
N
386
N
H
N
387
N
H
N
388
N
H
N
389
N
H
N
390
N
H
N
391
N
N
N
392
S
C
N
393
N
C
N
394
N
O
N
395
N
C
N
396
N
C
N
397
N
C
N
398
N
O
N
399
N
H
N
400
N
H
N
401
N
H
N
402
N
H
N
403
N
H
N
404
N
H
N
405
N
H
N
406
N
H
N
407
N
H
N
408
N
H
N
409
N
H
Y
1
N
sing
Y
2
N
sing
N
3
N
sing
Y
4
N
doub
N
5
N
sing
Y
6
N
sing
N
7
N
sing
Y
8
N
doub
Y
9
N
sing
N
10
N
sing
Y
11
N
sing
N
12
N
sing
Y
13
N
doub
N
14
N
sing
Y
15
N
sing
N
16
N
sing
Y
17
N
doub
N
18
N
sing
N
19
N
sing
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
doub
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
sing
N
34
N
sing
N
35
N
sing
N
36
N
sing
N
37
N
sing
N
38
N
doub
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
sing
N
46
N
sing
N
47
N
sing
N
48
N
sing
N
49
N
sing
N
50
N
sing
N
51
N
sing
N
52
N
doub
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
sing
N
62
N
sing
N
63
N
sing
N
64
N
doub
N
65
N
sing
N
66
N
sing
N
67
N
sing
N
68
N
sing
N
69
N
doub
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
sing
N
77
N
sing
N
78
N
sing
N
79
N
sing
N
80
N
doub
N
81
N
sing
N
82
N
sing
N
83
N
sing
N
84
N
sing
N
85
N
doub
N
86
N
sing
N
87
N
sing
N
88
N
sing
N
89
N
sing
N
90
N
sing
N
91
N
sing
N
92
N
sing
N
93
N
sing
N
94
N
sing
N
95
N
doub
N
96
N
sing
N
97
N
sing
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
sing
N
127
N
doub
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
N
140
N
sing
N
141
N
sing
N
142
N
sing
N
143
N
sing
N
144
N
sing
N
145
N
doub
N
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
doub
N
155
N
sing
N
156
N
sing
N
157
N
sing
N
158
N
sing
Y
159
N
sing
Y
160
N
doub
Y
161
N
doub
N
162
N
sing
Y
163
N
sing
N
164
N
sing
Y
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
doub
N
178
N
sing
N
179
N
sing
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
doub
N
199
N
sing
N
200
N
sing
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
doub
N
220
N
sing
N
221
N
sing
N
222
N
sing
N
223
N
sing
N
224
N
sing
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
N
248
N
sing
N
249
N
sing
N
250
N
sing
N
251
N
sing
N
252
N
sing
N
253
N
sing
N
254
N
sing
N
255
N
sing
N
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
doub
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
sing
Y
267
N
doub
Y
268
N
sing
Y
269
N
sing
N
270
N
sing
Y
271
N
doub
N
272
N
sing
Y
273
N
doub
N
274
N
sing
Y
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
sing
N
284
N
sing
N
285
N
doub
N
286
N
sing
N
287
N
sing
N
288
N
sing
N
289
N
sing
N
290
N
sing
N
291
N
sing
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
sing
N
301
N
sing
N
302
N
doub
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
doub
N
316
N
sing
N
317
N
sing
N
318
N
sing
N
319
N
sing
N
320
N
sing
N
321
N
sing
N
322
N
sing
N
323
N
sing
N
324
N
sing
N
325
N
sing
N
326
N
sing
N
327
N
sing
N
328
N
sing
N
329
N
sing
N
330
N
sing
N
331
N
doub
N
332
N
sing
N
333
N
sing
N
334
N
sing
N
335
N
sing
Y
336
N
doub
Y
337
N
sing
Y
338
N
sing
N
339
N
sing
Y
340
N
doub
Y
341
N
sing
Y
342
N
sing
N
343
N
sing
Y
344
N
sing
Y
345
N
doub
N
346
N
sing
Y
347
N
doub
N
348
N
sing
Y
349
N
sing
N
350
N
sing
N
351
N
sing
N
352
N
sing
N
353
N
sing
N
354
N
sing
N
355
N
sing
N
356
N
sing
N
357
N
sing
N
358
N
sing
N
359
N
doub
N
360
N
sing
N
361
N
sing
N
362
N
sing
N
363
N
sing
Y
364
N
doub
Y
365
N
sing
Y
366
N
sing
N
367
N
sing
Y
368
N
doub
N
369
N
sing
Y
370
N
doub
N
371
N
sing
Y
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
N
380
N
sing
N
381
N
sing
N
382
N
sing
N
383
N
doub
N
384
N
sing
N
385
N
sing
N
386
N
sing
N
387
N
sing
N
388
N
sing
N
389
N
sing
N
390
N
sing
N
391
N
sing
N
392
N
sing
N
393
N
sing
N
394
N
sing
To be Published
0353
Regulation of protease activity by melanin: Crystal structure of the complex formed between proteinase K and melanin monomers at 2.0 resolution
10.2210/pdb1oyo/pdb
pdb_00001oyo
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
1
Monochromator
IMAGE PLATE
1998-05-18
MARRESEARCH
Graphite
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU RU200
28930.783
Proteinase K
3.4.21.64
1
nat
polymer
40.078
CALCIUM ION
2
syn
non-polymer
149.147
3H-INDOLE-5,6-DIOL
1
syn
non-polymer
18.015
water
130
nat
water
no
no
AAQTNAPWGLARISSTSPGTSTYYYDESAGQGSCVYVIDTGIEASHPEFEGRAQMVKTYYYSSRDGNGHGTHCAGTVGSR
TYGVAKKTQLFGVKVLDDNGSGQYSTIIAGMDFVASDKNNRNCPKGVVASLSLGGGYSSSVNSAAARLQSSGVMVAVAAG
NNNADARNYSPASEPSVCTVGASDRYDRRSSFSNYGSVLDIFGPGTSILSTWIGGSTRSISGTSMATPHVAGLAAYLMTL
GKTTAASACRYIADTANKGDLSNIPFGTVNLLAYNNYQA
AAQTNAPWGLARISSTSPGTSTYYYDESAGQGSCVYVIDTGIEASHPEFEGRAQMVKTYYYSSRDGNGHGTHCAGTVGSR
TYGVAKKTQLFGVKVLDDNGSGQYSTIIAGMDFVASDKNNRNCPKGVVASLSLGGGYSSSVNSAAARLQSSGVMVAVAAG
NNNADARNYSPASEPSVCTVGASDRYDRRSSFSNYGSVLDIFGPGTSILSTWIGGSTRSISGTSMATPHVAGLAAYLMTL
GKTTAASACRYIADTANKGDLSNIPFGTVNLLAYNNYQA
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
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
Engyodontium
sample
37998
Engyodontium album
1
2.18
43.66
MICRODIALYSIS
8.0
50mM Tris-HCl, 0.75M Sodium Nitrate, pH 8.0, MICRODIALYSIS, temperature 278K
278
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
pdbx_struct_conn_angle
struct_conn
struct_site
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
Refinement description
1
0
2003-05-20
1
1
2008-04-29
1
2
2011-07-13
1
3
2024-04-03
_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_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.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.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
Complex Formed Between Proteolytically Generated Lactoferrin Fragment and Proteinase K
Structure Of A Serine Protease Proteinase K From Tritirachium Album Limber At 0.98 A Resolution
Structure of the complex of proteinase K with a substrate analogue hexapeptide inhibitor at 2.2-A resolution
RCSB
Y
PDBJ
2003-04-06
REL
CA
CALCIUM ION
3ID
3H-INDOLE-5,6-DIOL
HOH
water
1PEK
PDB
experimental model
CA
1001
2
CA
CA
1001
A
CA
1002
2
CA
CA
1002
A
3ID
694
3
3ID
3ID
694
A
HOH
1
4
HOH
HOH
1003
A
HOH
2
4
HOH
HOH
1004
A
HOH
3
4
HOH
HOH
1005
A
HOH
4
4
HOH
HOH
1006
A
HOH
5
4
HOH
HOH
1007
A
HOH
6
4
HOH
HOH
1008
A
HOH
7
4
HOH
HOH
1009
A
HOH
8
4
HOH
HOH
1010
A
HOH
9
4
HOH
HOH
1011
A
HOH
10
4
HOH
HOH
1012
A
HOH
11
4
HOH
HOH
1013
A
HOH
12
4
HOH
HOH
1014
A
HOH
13
4
HOH
HOH
1015
A
HOH
14
4
HOH
HOH
1016
A
HOH
15
4
HOH
HOH
1017
A
HOH
16
4
HOH
HOH
1018
A
HOH
17
4
HOH
HOH
1019
A
HOH
18
4
HOH
HOH
1020
A
HOH
19
4
HOH
HOH
1021
A
HOH
20
4
HOH
HOH
1022
A
HOH
21
4
HOH
HOH
1023
A
HOH
22
4
HOH
HOH
1024
A
HOH
23
4
HOH
HOH
1025
A
HOH
24
4
HOH
HOH
1026
A
HOH
25
4
HOH
HOH
1027
A
HOH
26
4
HOH
HOH
1028
A
HOH
27
4
HOH
HOH
1029
A
HOH
28
4
HOH
HOH
1030
A
HOH
29
4
HOH
HOH
1031
A
HOH
30
4
HOH
HOH
1032
A
HOH
31
4
HOH
HOH
1033
A
HOH
32
4
HOH
HOH
1034
A
HOH
33
4
HOH
HOH
1035
A
HOH
34
4
HOH
HOH
1036
A
HOH
35
4
HOH
HOH
1037
A
HOH
36
4
HOH
HOH
1038
A
HOH
37
4
HOH
HOH
1039
A
HOH
38
4
HOH
HOH
1040
A
HOH
39
4
HOH
HOH
1041
A
HOH
40
4
HOH
HOH
1042
A
HOH
41
4
HOH
HOH
1043
A
HOH
42
4
HOH
HOH
1044
A
HOH
43
4
HOH
HOH
1045
A
HOH
44
4
HOH
HOH
1046
A
HOH
45
4
HOH
HOH
1047
A
HOH
46
4
HOH
HOH
1048
A
HOH
47
4
HOH
HOH
1049
A
HOH
48
4
HOH
HOH
1050
A
HOH
49
4
HOH
HOH
1051
A
HOH
50
4
HOH
HOH
1052
A
HOH
51
4
HOH
HOH
1053
A
HOH
52
4
HOH
HOH
1054
A
HOH
53
4
HOH
HOH
1055
A
HOH
54
4
HOH
HOH
1056
A
HOH
55
4
HOH
HOH
1057
A
HOH
56
4
HOH
HOH
1058
A
HOH
57
4
HOH
HOH
1059
A
HOH
58
4
HOH
HOH
1060
A
HOH
59
4
HOH
HOH
1061
A
HOH
60
4
HOH
HOH
1062
A
HOH
61
4
HOH
HOH
1063
A
HOH
62
4
HOH
HOH
1064
A
HOH
63
4
HOH
HOH
1065
A
HOH
64
4
HOH
HOH
1066
A
HOH
65
4
HOH
HOH
1067
A
HOH
66
4
HOH
HOH
1068
A
HOH
67
4
HOH
HOH
1069
A
HOH
68
4
HOH
HOH
1070
A
HOH
69
4
HOH
HOH
1071
A
HOH
70
4
HOH
HOH
1072
A
HOH
71
4
HOH
HOH
1073
A
HOH
72
4
HOH
HOH
1074
A
HOH
73
4
HOH
HOH
1075
A
HOH
74
4
HOH
HOH
1076
A
HOH
75
4
HOH
HOH
1077
A
HOH
76
4
HOH
HOH
1078
A
HOH
77
4
HOH
HOH
1079
A
HOH
78
4
HOH
HOH
1080
A
HOH
79
4
HOH
HOH
1081
A
HOH
80
4
HOH
HOH
1082
A
HOH
81
4
HOH
HOH
1083
A
HOH
82
4
HOH
HOH
1084
A
HOH
83
4
HOH
HOH
1085
A
HOH
84
4
HOH
HOH
1086
A
HOH
85
4
HOH
HOH
1087
A
HOH
86
4
HOH
HOH
1088
A
HOH
87
4
HOH
HOH
1089
A
HOH
88
4
HOH
HOH
1090
A
HOH
89
4
HOH
HOH
1091
A
HOH
90
4
HOH
HOH
1092
A
HOH
91
4
HOH
HOH
1093
A
HOH
92
4
HOH
HOH
1094
A
HOH
93
4
HOH
HOH
1095
A
HOH
94
4
HOH
HOH
1096
A
HOH
95
4
HOH
HOH
1097
A
HOH
96
4
HOH
HOH
1098
A
HOH
97
4
HOH
HOH
1099
A
HOH
98
4
HOH
HOH
1100
A
HOH
99
4
HOH
HOH
1101
A
HOH
100
4
HOH
HOH
1102
A
HOH
101
4
HOH
HOH
1103
A
HOH
102
4
HOH
HOH
1104
A
HOH
103
4
HOH
HOH
1105
A
HOH
104
4
HOH
HOH
1106
A
HOH
105
4
HOH
HOH
1107
A
HOH
106
4
HOH
HOH
1108
A
HOH
107
4
HOH
HOH
1109
A
HOH
108
4
HOH
HOH
1110
A
HOH
109
4
HOH
HOH
1111
A
HOH
110
4
HOH
HOH
1112
A
HOH
111
4
HOH
HOH
1113
A
HOH
112
4
HOH
HOH
1114
A
HOH
113
4
HOH
HOH
1115
A
HOH
114
4
HOH
HOH
1116
A
HOH
115
4
HOH
HOH
1117
A
HOH
116
4
HOH
HOH
1118
A
HOH
117
4
HOH
HOH
1119
A
HOH
118
4
HOH
HOH
1120
A
HOH
119
4
HOH
HOH
1121
A
HOH
120
4
HOH
HOH
1122
A
HOH
121
4
HOH
HOH
1123
A
HOH
122
4
HOH
HOH
1124
A
HOH
123
4
HOH
HOH
1125
A
HOH
124
4
HOH
HOH
1126
A
HOH
125
4
HOH
HOH
1127
A
HOH
126
4
HOH
HOH
1128
A
HOH
127
4
HOH
HOH
1129
A
HOH
128
4
HOH
HOH
1130
A
HOH
129
4
HOH
HOH
1131
A
HOH
130
4
HOH
HOH
1132
A
ALA
1
n
1
ALA
1
A
ALA
2
n
2
ALA
2
A
GLN
3
n
3
GLN
3
A
THR
4
n
4
THR
4
A
ASN
5
n
5
ASN
5
A
ALA
6
n
6
ALA
6
A
PRO
7
n
7
PRO
7
A
TRP
8
n
8
TRP
8
A
GLY
9
n
9
GLY
9
A
LEU
10
n
10
LEU
10
A
ALA
11
n
11
ALA
11
A
ARG
12
n
12
ARG
12
A
ILE
13
n
13
ILE
13
A
SER
14
n
14
SER
14
A
SER
15
n
15
SER
15
A
THR
16
n
16
THR
16
A
SER
17
n
17
SER
17
A
PRO
18
n
18
PRO
18
A
GLY
19
n
19
GLY
19
A
THR
20
n
20
THR
20
A
SER
21
n
21
SER
21
A
THR
22
n
22
THR
22
A
TYR
23
n
23
TYR
23
A
TYR
24
n
24
TYR
24
A
TYR
25
n
25
TYR
25
A
ASP
26
n
26
ASP
26
A
GLU
27
n
27
GLU
27
A
SER
28
n
28
SER
28
A
ALA
29
n
29
ALA
29
A
GLY
30
n
30
GLY
30
A
GLN
31
n
31
GLN
31
A
GLY
32
n
32
GLY
32
A
SER
33
n
33
SER
33
A
CYS
34
n
34
CYS
34
A
VAL
35
n
35
VAL
35
A
TYR
36
n
36
TYR
36
A
VAL
37
n
37
VAL
37
A
ILE
38
n
38
ILE
38
A
ASP
39
n
39
ASP
39
A
THR
40
n
40
THR
40
A
GLY
41
n
41
GLY
41
A
ILE
42
n
42
ILE
42
A
GLU
43
n
43
GLU
43
A
ALA
44
n
44
ALA
44
A
SER
45
n
45
SER
45
A
HIS
46
n
46
HIS
46
A
PRO
47
n
47
PRO
47
A
GLU
48
n
48
GLU
48
A
PHE
49
n
49
PHE
49
A
GLU
50
n
50
GLU
50
A
GLY
51
n
51
GLY
51
A
ARG
52
n
52
ARG
52
A
ALA
53
n
53
ALA
53
A
GLN
54
n
54
GLN
54
A
MET
55
n
55
MET
55
A
VAL
56
n
56
VAL
56
A
LYS
57
n
57
LYS
57
A
THR
58
n
58
THR
58
A
TYR
59
n
59
TYR
59
A
TYR
60
n
60
TYR
60
A
TYR
61
n
61
TYR
61
A
SER
62
n
62
SER
62
A
SER
63
n
63
SER
63
A
ARG
64
n
64
ARG
64
A
ASP
65
n
65
ASP
65
A
GLY
66
n
66
GLY
66
A
ASN
67
n
67
ASN
67
A
GLY
68
n
68
GLY
68
A
HIS
69
n
69
HIS
69
A
GLY
70
n
70
GLY
70
A
THR
71
n
71
THR
71
A
HIS
72
n
72
HIS
72
A
CYS
73
n
73
CYS
73
A
ALA
74
n
74
ALA
74
A
GLY
75
n
75
GLY
75
A
THR
76
n
76
THR
76
A
VAL
77
n
77
VAL
77
A
GLY
78
n
78
GLY
78
A
SER
79
n
79
SER
79
A
ARG
80
n
80
ARG
80
A
THR
81
n
81
THR
81
A
TYR
82
n
82
TYR
82
A
GLY
83
n
83
GLY
83
A
VAL
84
n
84
VAL
84
A
ALA
85
n
85
ALA
85
A
LYS
86
n
86
LYS
86
A
LYS
87
n
87
LYS
87
A
THR
88
n
88
THR
88
A
GLN
89
n
89
GLN
89
A
LEU
90
n
90
LEU
90
A
PHE
91
n
91
PHE
91
A
GLY
92
n
92
GLY
92
A
VAL
93
n
93
VAL
93
A
LYS
94
n
94
LYS
94
A
VAL
95
n
95
VAL
95
A
LEU
96
n
96
LEU
96
A
ASP
97
n
97
ASP
97
A
ASP
98
n
98
ASP
98
A
ASN
99
n
99
ASN
99
A
GLY
100
n
100
GLY
100
A
SER
101
n
101
SER
101
A
GLY
102
n
102
GLY
102
A
GLN
103
n
103
GLN
103
A
TYR
104
n
104
TYR
104
A
SER
105
n
105
SER
105
A
THR
106
n
106
THR
106
A
ILE
107
n
107
ILE
107
A
ILE
108
n
108
ILE
108
A
ALA
109
n
109
ALA
109
A
GLY
110
n
110
GLY
110
A
MET
111
n
111
MET
111
A
ASP
112
n
112
ASP
112
A
PHE
113
n
113
PHE
113
A
VAL
114
n
114
VAL
114
A
ALA
115
n
115
ALA
115
A
SER
116
n
116
SER
116
A
ASP
117
n
117
ASP
117
A
LYS
118
n
118
LYS
118
A
ASN
119
n
119
ASN
119
A
ASN
120
n
120
ASN
120
A
ARG
121
n
121
ARG
121
A
ASN
122
n
122
ASN
122
A
CYS
123
n
123
CYS
123
A
PRO
124
n
124
PRO
124
A
LYS
125
n
125
LYS
125
A
GLY
126
n
126
GLY
126
A
VAL
127
n
127
VAL
127
A
VAL
128
n
128
VAL
128
A
ALA
129
n
129
ALA
129
A
SER
130
n
130
SER
130
A
LEU
131
n
131
LEU
131
A
SER
132
n
132
SER
132
A
LEU
133
n
133
LEU
133
A
GLY
134
n
134
GLY
134
A
GLY
135
n
135
GLY
135
A
GLY
136
n
136
GLY
136
A
TYR
137
n
137
TYR
137
A
SER
138
n
138
SER
138
A
SER
139
n
139
SER
139
A
SER
140
n
140
SER
140
A
VAL
141
n
141
VAL
141
A
ASN
142
n
142
ASN
142
A
SER
143
n
143
SER
143
A
ALA
144
n
144
ALA
144
A
ALA
145
n
145
ALA
145
A
ALA
146
n
146
ALA
146
A
ARG
147
n
147
ARG
147
A
LEU
148
n
148
LEU
148
A
GLN
149
n
149
GLN
149
A
SER
150
n
150
SER
150
A
SER
151
n
151
SER
151
A
GLY
152
n
152
GLY
152
A
VAL
153
n
153
VAL
153
A
MET
154
n
154
MET
154
A
VAL
155
n
155
VAL
155
A
ALA
156
n
156
ALA
156
A
VAL
157
n
157
VAL
157
A
ALA
158
n
158
ALA
158
A
ALA
159
n
159
ALA
159
A
GLY
160
n
160
GLY
160
A
ASN
161
n
161
ASN
161
A
ASN
162
n
162
ASN
162
A
ASN
163
n
163
ASN
163
A
ALA
164
n
164
ALA
164
A
ASP
165
n
165
ASP
165
A
ALA
166
n
166
ALA
166
A
ARG
167
n
167
ARG
167
A
ASN
168
n
168
ASN
168
A
TYR
169
n
169
TYR
169
A
SER
170
n
170
SER
170
A
PRO
171
n
171
PRO
171
A
ALA
172
n
172
ALA
172
A
SER
173
n
173
SER
173
A
GLU
174
n
174
GLU
174
A
PRO
175
n
175
PRO
175
A
SER
176
n
176
SER
176
A
VAL
177
n
177
VAL
177
A
CYS
178
n
178
CYS
178
A
THR
179
n
179
THR
179
A
VAL
180
n
180
VAL
180
A
GLY
181
n
181
GLY
181
A
ALA
182
n
182
ALA
182
A
SER
183
n
183
SER
183
A
ASP
184
n
184
ASP
184
A
ARG
185
n
185
ARG
185
A
TYR
186
n
186
TYR
186
A
ASP
187
n
187
ASP
187
A
ARG
188
n
188
ARG
188
A
ARG
189
n
189
ARG
189
A
SER
190
n
190
SER
190
A
SER
191
n
191
SER
191
A
PHE
192
n
192
PHE
192
A
SER
193
n
193
SER
193
A
ASN
194
n
194
ASN
194
A
TYR
195
n
195
TYR
195
A
GLY
196
n
196
GLY
196
A
SER
197
n
197
SER
197
A
VAL
198
n
198
VAL
198
A
LEU
199
n
199
LEU
199
A
ASP
200
n
200
ASP
200
A
ILE
201
n
201
ILE
201
A
PHE
202
n
202
PHE
202
A
GLY
203
n
203
GLY
203
A
PRO
204
n
204
PRO
204
A
GLY
205
n
205
GLY
205
A
THR
206
n
206
THR
206
A
SER
207
n
207
SER
207
A
ILE
208
n
208
ILE
208
A
LEU
209
n
209
LEU
209
A
SER
210
n
210
SER
210
A
THR
211
n
211
THR
211
A
TRP
212
n
212
TRP
212
A
ILE
213
n
213
ILE
213
A
GLY
214
n
214
GLY
214
A
GLY
215
n
215
GLY
215
A
SER
216
n
216
SER
216
A
THR
217
n
217
THR
217
A
ARG
218
n
218
ARG
218
A
SER
219
n
219
SER
219
A
ILE
220
n
220
ILE
220
A
SER
221
n
221
SER
221
A
GLY
222
n
222
GLY
222
A
THR
223
n
223
THR
223
A
SER
224
n
224
SER
224
A
MET
225
n
225
MET
225
A
ALA
226
n
226
ALA
226
A
THR
227
n
227
THR
227
A
PRO
228
n
228
PRO
228
A
HIS
229
n
229
HIS
229
A
VAL
230
n
230
VAL
230
A
ALA
231
n
231
ALA
231
A
GLY
232
n
232
GLY
232
A
LEU
233
n
233
LEU
233
A
ALA
234
n
234
ALA
234
A
ALA
235
n
235
ALA
235
A
TYR
236
n
236
TYR
236
A
LEU
237
n
237
LEU
237
A
MET
238
n
238
MET
238
A
THR
239
n
239
THR
239
A
LEU
240
n
240
LEU
240
A
GLY
241
n
241
GLY
241
A
LYS
242
n
242
LYS
242
A
THR
243
n
243
THR
243
A
THR
244
n
244
THR
244
A
ALA
245
n
245
ALA
245
A
ALA
246
n
246
ALA
246
A
SER
247
n
247
SER
247
A
ALA
248
n
248
ALA
248
A
CYS
249
n
249
CYS
249
A
ARG
250
n
250
ARG
250
A
TYR
251
n
251
TYR
251
A
ILE
252
n
252
ILE
252
A
ALA
253
n
253
ALA
253
A
ASP
254
n
254
ASP
254
A
THR
255
n
255
THR
255
A
ALA
256
n
256
ALA
256
A
ASN
257
n
257
ASN
257
A
LYS
258
n
258
LYS
258
A
GLY
259
n
259
GLY
259
A
ASP
260
n
260
ASP
260
A
LEU
261
n
261
LEU
261
A
SER
262
n
262
SER
262
A
ASN
263
n
263
ASN
263
A
ILE
264
n
264
ILE
264
A
PRO
265
n
265
PRO
265
A
PHE
266
n
266
PHE
266
A
GLY
267
n
267
GLY
267
A
THR
268
n
268
THR
268
A
VAL
269
n
269
VAL
269
A
ASN
270
n
270
ASN
270
A
LEU
271
n
271
LEU
271
A
LEU
272
n
272
LEU
272
A
ALA
273
n
273
ALA
273
A
TYR
274
n
274
TYR
274
A
ASN
275
n
275
ASN
275
A
ASN
276
n
276
ASN
276
A
TYR
277
n
277
TYR
277
A
GLN
278
n
278
GLN
278
A
ALA
279
n
279
ALA
279
A
author_defined_assembly
1
monomeric
A
PRO
175
A
O
PRO
175
1_555
A
CA
1001
B
CA
CA
1_555
A
VAL
177
A
O
VAL
177
1_555
88.3
A
PRO
175
A
O
PRO
175
1_555
A
CA
1001
B
CA
CA
1_555
A
ASP
200
A
OD1
ASP
200
1_555
161.6
A
VAL
177
A
O
VAL
177
1_555
A
CA
1001
B
CA
CA
1_555
A
ASP
200
A
OD1
ASP
200
1_555
80.8
A
PRO
175
A
O
PRO
175
1_555
A
CA
1001
B
CA
CA
1_555
A
ASP
200
A
OD2
ASP
200
1_555
148.8
A
VAL
177
A
O
VAL
177
1_555
A
CA
1001
B
CA
CA
1_555
A
ASP
200
A
OD2
ASP
200
1_555
115.2
A
ASP
200
A
OD1
ASP
200
1_555
A
CA
1001
B
CA
CA
1_555
A
ASP
200
A
OD2
ASP
200
1_555
49.1
A
PRO
175
A
O
PRO
175
1_555
A
CA
1001
B
CA
CA
1_555
A
HOH
1003
E
O
HOH
1_555
75.0
A
VAL
177
A
O
VAL
177
1_555
A
CA
1001
B
CA
CA
1_555
A
HOH
1003
E
O
HOH
1_555
141.4
A
ASP
200
A
OD1
ASP
200
1_555
A
CA
1001
B
CA
CA
1_555
A
HOH
1003
E
O
HOH
1_555
122.3
A
ASP
200
A
OD2
ASP
200
1_555
A
CA
1001
B
CA
CA
1_555
A
HOH
1003
E
O
HOH
1_555
73.9
A
PRO
175
A
O
PRO
175
1_555
A
CA
1001
B
CA
CA
1_555
A
HOH
1004
E
O
HOH
1_555
89.3
A
VAL
177
A
O
VAL
177
1_555
A
CA
1001
B
CA
CA
1_555
A
HOH
1004
E
O
HOH
1_555
72.5
A
ASP
200
A
OD1
ASP
200
1_555
A
CA
1001
B
CA
CA
1_555
A
HOH
1004
E
O
HOH
1_555
101.3
A
ASP
200
A
OD2
ASP
200
1_555
A
CA
1001
B
CA
CA
1_555
A
HOH
1004
E
O
HOH
1_555
79.5
A
HOH
1003
E
O
HOH
1_555
A
CA
1001
B
CA
CA
1_555
A
HOH
1004
E
O
HOH
1_555
72.7
A
PRO
175
A
O
PRO
175
1_555
A
CA
1001
B
CA
CA
1_555
A
HOH
1005
E
O
HOH
1_555
97.1
A
VAL
177
A
O
VAL
177
1_555
A
CA
1001
B
CA
CA
1_555
A
HOH
1005
E
O
HOH
1_555
145.3
A
ASP
200
A
OD1
ASP
200
1_555
A
CA
1001
B
CA
CA
1_555
A
HOH
1005
E
O
HOH
1_555
83.9
A
ASP
200
A
OD2
ASP
200
1_555
A
CA
1001
B
CA
CA
1_555
A
HOH
1005
E
O
HOH
1_555
75.4
A
HOH
1003
E
O
HOH
1_555
A
CA
1001
B
CA
CA
1_555
A
HOH
1005
E
O
HOH
1_555
72.4
A
HOH
1004
E
O
HOH
1_555
A
CA
1001
B
CA
CA
1_555
A
HOH
1005
E
O
HOH
1_555
141.4
A
PRO
175
A
O
PRO
175
1_555
A
CA
1001
B
CA
CA
1_555
A
HOH
1006
E
O
HOH
1_555
84.3
A
VAL
177
A
O
VAL
177
1_555
A
CA
1001
B
CA
CA
1_555
A
HOH
1006
E
O
HOH
1_555
69.3
A
ASP
200
A
OD1
ASP
200
1_555
A
CA
1001
B
CA
CA
1_555
A
HOH
1006
E
O
HOH
1_555
78.0
A
ASP
200
A
OD2
ASP
200
1_555
A
CA
1001
B
CA
CA
1_555
A
HOH
1006
E
O
HOH
1_555
122.0
A
HOH
1003
E
O
HOH
1_555
A
CA
1001
B
CA
CA
1_555
A
HOH
1006
E
O
HOH
1_555
140.3
A
HOH
1004
E
O
HOH
1_555
A
CA
1001
B
CA
CA
1_555
A
HOH
1006
E
O
HOH
1_555
141.4
A
HOH
1005
E
O
HOH
1_555
A
CA
1001
B
CA
CA
1_555
A
HOH
1006
E
O
HOH
1_555
77.2
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
N
GLN
3
A
N
GLN
3
A
O
TYR
23
A
O
TYR
23
A
N
LYS
57
A
N
LYS
57
A
O
LYS
94
A
O
LYS
94
A
O
PHE
91
A
O
PHE
91
A
N
VAL
37
A
N
VAL
37
A
N
TYR
36
A
N
TYR
36
A
O
SER
130
A
O
SER
130
A
N
ALA
129
A
N
ALA
129
A
O
MET
154
A
O
MET
154
A
N
VAL
157
A
N
VAL
157
A
O
VAL
180
A
O
VAL
180
A
N
GLY
181
A
N
GLY
181
A
O
ILE
201
A
O
ILE
201
A
N
GLY
135
A
N
GLY
135
A
O
SER
170
A
O
SER
170
A
N
ILE
208
A
N
ILE
208
A
O
ILE
220
A
O
ILE
220
A
N
ASN
257
A
N
ASN
257
A
O
LEU
272
A
O
LEU
272
1
50.43
1.50
119.30
169.73
A
A
A
C
N
CA
SER
PRO
PRO
170
171
171
Y
1
-43.49
2.10
128.40
84.91
A
A
A
C
N
CD
SER
PRO
PRO
170
171
171
Y
1
-25.23
1.40
111.70
86.47
A
A
A
CA
N
CD
PRO
PRO
PRO
171
171
171
N
1
14.83
1.20
103.30
118.13
A
A
A
N
CA
CB
PRO
PRO
PRO
171
171
171
N
1
17.75
1.50
103.20
120.95
A
A
A
N
CD
CG
PRO
PRO
PRO
171
171
171
N
1
A
ASP
39
-155.44
-137.46
1
A
LYS
57
-170.44
135.65
1
A
PRO
171
122.40
-39.49
1
A
SER
216
-111.90
-164.97
1
A
ASN
270
-112.93
74.41
PROTEIN_REP.PARAM
PROTEIN.TOP
ION.PARAM
WATER.TOP
WATER_REP.PARAM
IND.TOP
IND.PARAM
ION.TOP
CARBOHYDRATE.PARAM
CARBOHYDRATE.TOP
18.5
0.19
0.007
0.171
0.171
2.02
14.71
833
17246
17246
4.8
98.7
RANDOM
2006736.13
0.000000
1
RESTRAINED
THROUGHOUT
0.0
0
MOLECULAR REPLACEMENT
1PRK
Engh & Huber
FLAT MODEL
67.3156
0.409673
0.22
0.19
5.0
0.16
0.12
2.02
14.71
130
2173
13
0
2030
0.007
1.7
25.6
0.98
1.32
1.50
1.69
2.00
2.53
2.00
3.62
2.50
0.211
0.020
0.193
2.12
113
2227
2174
6
4.8
80.2
18.5
2.0
15.0
1OYO
33569
33569
0.046
1
12.4
6.0
98.8
2.0
2.2
2.5
17246
0.098
98.7
refinement
CNS
0.9
data reduction
DENZO
data scaling
SCALEPACK
phasing
AMoRE
Regulation of protease activity by melanin: Crystal structure of the complex formed between proteinase K and melanin monomers at 2.0 resolution
1
N
N
2
N
N
2
N
N
3
N
N
4
N
N
A
PRO
7
A
PRO
7
HELX_P
A
SER
14
A
SER
14
1
1
8
A
HIS
46
A
HIS
46
HELX_P
A
GLU
50
A
GLU
50
5
2
5
A
GLY
68
A
GLY
68
HELX_P
A
SER
79
A
SER
79
1
3
12
A
GLN
103
A
GLN
103
HELX_P
A
LYS
118
A
LYS
118
1
4
16
A
ASN
119
A
ASN
119
HELX_P
A
ARG
121
A
ARG
121
5
5
3
A
SER
138
A
SER
138
HELX_P
A
SER
151
A
SER
151
1
6
14
A
ASP
165
A
ASP
165
HELX_P
A
ARG
167
A
ARG
167
5
7
3
A
GLY
222
A
GLY
222
HELX_P
A
LEU
240
A
LEU
240
1
8
19
A
SER
247
A
SER
247
HELX_P
A
THR
255
A
THR
255
1
9
9
disulf
2.027
A
CYS
34
A
SG
CYS
34
1_555
A
CYS
123
A
SG
CYS
123
1_555
disulf
2.027
A
CYS
178
A
SG
CYS
178
1_555
A
CYS
249
A
SG
CYS
249
1_555
metalc
3.146
A
THR
16
A
O
THR
16
1_555
A
CA
1002
C
CA
CA
1_555
metalc
2.526
A
PRO
175
A
O
PRO
175
1_555
A
CA
1001
B
CA
CA
1_555
metalc
2.495
A
VAL
177
A
O
VAL
177
1_555
A
CA
1001
B
CA
CA
1_555
metalc
2.593
A
ASP
200
A
OD1
ASP
200
1_555
A
CA
1001
B
CA
CA
1_555
metalc
2.717
A
ASP
200
A
OD2
ASP
200
1_555
A
CA
1001
B
CA
CA
1_555
metalc
2.745
A
CA
1001
B
CA
CA
1_555
A
HOH
1003
E
O
HOH
1_555
metalc
2.670
A
CA
1001
B
CA
CA
1_555
A
HOH
1004
E
O
HOH
1_555
metalc
2.691
A
CA
1001
B
CA
CA
1_555
A
HOH
1005
E
O
HOH
1_555
metalc
2.714
A
CA
1001
B
CA
CA
1_555
A
HOH
1006
E
O
HOH
1_555
HYDROLASE
Proteinase K, Activity, Inhibition, Melanin, Hydrolase
PRTK_TRIAL
UNP
1
106
P06873
AAQTNAPWGLARISSTSPGTSTYYYDESAGQGSCVYVIDTGIEASHPEFEGRAQMVKTYYYSSRDGNGHGTHCAGTVGSR
TYGVAKKTQLFGVKVLDDNGSGQYSTIIAGMDFVASDKNNRNCPKGVVASLSLGGGYSSSVNSAAARLQSSGVMVAVAAG
NNNADARNYSPASEPSVCTVGASDRYDRRSSFSNYGSVLDIFGPGTSILSTWIGGSTRSISGTSMATPHVAGLAAYLMTL
GKTTAASACRYIADTANKGDLSNIPFGTVNLLAYNNYQA
106
384
1OYO
1
279
P06873
A
1
1
279
2
7
2
2
2
anti-parallel
parallel
parallel
parallel
parallel
parallel
parallel
anti-parallel
anti-parallel
anti-parallel
A
ALA
2
A
ALA
2
A
GLN
3
A
GLN
3
A
TYR
23
A
TYR
23
A
TYR
24
A
TYR
24
A
ALA
53
A
ALA
53
A
THR
58
A
THR
58
A
GLN
89
A
GLN
89
A
LYS
94
A
LYS
94
A
SER
33
A
SER
33
A
ASP
39
A
ASP
39
A
GLY
126
A
GLY
126
A
LEU
131
A
LEU
131
A
MET
154
A
MET
154
A
ALA
158
A
ALA
158
A
CYS
178
A
CYS
178
A
SER
183
A
SER
183
A
ILE
201
A
ILE
201
A
PRO
204
A
PRO
204
A
GLY
135
A
GLY
135
A
GLY
136
A
GLY
136
A
TYR
169
A
TYR
169
A
SER
170
A
SER
170
A
ILE
208
A
ILE
208
A
TRP
212
A
TRP
212
A
SER
216
A
SER
216
A
ILE
220
A
ILE
220
A
ASN
257
A
ASN
257
A
LYS
258
A
LYS
258
A
LEU
271
A
LEU
271
A
LEU
272
A
LEU
272
BINDING SITE FOR RESIDUE CA A 1001
A
CA
1001
Software
7
BINDING SITE FOR RESIDUE CA A 1002
A
CA
1002
Software
2
BINDING SITE FOR RESIDUE 3ID A 694
A
3ID
694
Software
7
A
PRO
175
A
PRO
175
7
1_555
A
VAL
177
A
VAL
177
7
1_555
A
ASP
200
A
ASP
200
7
1_555
A
HOH
1003
E
HOH
7
1_555
A
HOH
1004
E
HOH
7
1_555
A
HOH
1005
E
HOH
7
1_555
A
HOH
1006
E
HOH
7
1_555
A
THR
16
A
THR
16
2
1_555
A
ASP
260
A
ASP
260
2
1_555
A
HIS
69
A
HIS
69
7
1_555
A
LEU
96
A
LEU
96
7
1_555
A
GLY
100
A
GLY
100
7
1_555
A
SER
132
A
SER
132
7
1_555
A
LEU
133
A
LEU
133
7
1_555
A
GLY
134
A
GLY
134
7
1_555
A
SER
224
A
SER
224
7
1_555
96
P 43 21 2