0.019516
0.000000
0.000000
0.000000
0.010700
0.000000
0.000000
0.000000
0.010315
0.00000
0.00000
0.00000
Strobl, S.
Maskos, K.
Betz, M.
Wiegand, G.
Huber, R.
Gomis-Rueth, F.X.
Frank, G.
Glockshuber, R.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
90.00
90.00
51.240
93.460
96.950
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
Cl -1
35.453
CHLORIDE 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
C5 H7 N O3
129.114
n
PYROGLUTAMIC ACID
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
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
CL
N
76
N
N
N
77
R
C
N
78
N
C
N
79
N
O
N
80
N
C
N
81
N
S
N
82
N
O
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
H
N
90
N
N
N
91
S
C
N
92
N
C
N
93
N
O
N
94
N
C
N
95
N
C
N
96
N
C
N
97
N
O
N
98
N
N
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
H
N
108
N
H
N
109
N
H
N
110
N
N
N
111
S
C
N
112
N
C
N
113
N
O
N
114
N
C
N
115
N
C
N
116
N
C
N
117
N
O
N
118
N
O
N
119
N
O
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
H
N
129
N
N
N
130
N
C
N
131
N
C
N
132
N
O
N
133
N
O
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
H
N
138
N
H
N
139
N
N
N
140
S
C
N
141
N
C
N
142
N
O
N
143
N
C
Y
144
N
C
Y
145
N
N
Y
146
N
C
Y
147
N
C
Y
148
N
N
N
149
N
O
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
H
N
160
N
O
N
161
N
H
N
162
N
H
N
163
N
N
N
164
S
C
N
165
N
C
N
166
N
O
N
167
S
C
N
168
N
C
N
169
N
C
N
170
N
C
N
171
N
O
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
H
N
185
N
N
N
186
S
C
N
187
N
C
N
188
N
O
N
189
N
C
N
190
N
C
N
191
N
C
N
192
N
C
N
193
N
O
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
H
N
207
N
N
N
208
S
C
N
209
N
C
N
210
N
O
N
211
N
C
N
212
N
C
N
213
N
C
N
214
N
C
N
215
N
N
N
216
N
O
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
H
N
232
N
N
N
233
S
C
N
234
N
C
N
235
N
O
N
236
N
C
N
237
N
C
N
238
N
S
N
239
N
C
N
240
N
O
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
H
N
252
N
N
N
253
S
C
N
254
N
C
N
255
N
C
N
256
N
C
N
257
N
O
N
258
N
C
N
259
N
O
N
260
N
O
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
N
N
269
S
C
N
270
N
C
N
271
N
O
N
272
N
C
Y
273
N
C
Y
274
N
C
Y
275
N
C
Y
276
N
C
Y
277
N
C
Y
278
N
C
N
279
N
O
N
280
N
H
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
N
N
292
S
C
N
293
N
C
N
294
N
O
N
295
N
C
N
296
N
C
N
297
N
C
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
H
N
307
N
H
N
308
N
N
N
309
S
C
N
310
N
C
N
311
N
O
N
312
N
C
N
313
N
O
N
314
N
O
N
315
N
H
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
N
N
323
S
C
N
324
N
C
N
325
N
O
N
326
R
C
N
327
N
O
N
328
N
C
N
329
N
O
N
330
N
H
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
N
N
340
S
C
N
341
N
C
N
342
N
O
N
343
N
C
Y
344
N
C
Y
345
N
C
Y
346
N
C
Y
347
N
N
Y
348
N
C
Y
349
N
C
Y
350
N
C
Y
351
N
C
Y
352
N
C
N
353
N
O
N
354
N
H
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
N
N
367
S
C
N
368
N
C
N
369
N
O
N
370
N
C
Y
371
N
C
Y
372
N
C
Y
373
N
C
Y
374
N
C
Y
375
N
C
Y
376
N
C
N
377
N
O
N
378
N
O
N
379
N
H
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
N
N
391
S
C
N
392
N
C
N
393
N
O
N
394
N
C
N
395
N
C
N
396
N
C
N
397
N
O
N
398
N
H
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
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
sing
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
N
248
N
sing
N
249
N
doub
N
250
N
doub
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
doub
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
Y
264
N
doub
Y
265
N
sing
Y
266
N
sing
N
267
N
sing
Y
268
N
doub
N
269
N
sing
Y
270
N
doub
N
271
N
sing
Y
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
doub
N
283
N
sing
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
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
doub
N
300
N
sing
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
doub
N
313
N
sing
N
314
N
sing
N
315
N
sing
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
doub
N
329
N
sing
N
330
N
sing
N
331
N
sing
N
332
N
sing
Y
333
N
doub
Y
334
N
sing
Y
335
N
sing
N
336
N
sing
Y
337
N
doub
Y
338
N
sing
Y
339
N
sing
N
340
N
sing
Y
341
N
sing
Y
342
N
doub
N
343
N
sing
Y
344
N
doub
N
345
N
sing
Y
346
N
sing
N
347
N
sing
N
348
N
sing
N
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
doub
N
357
N
sing
N
358
N
sing
N
359
N
sing
N
360
N
sing
Y
361
N
doub
Y
362
N
sing
Y
363
N
sing
N
364
N
sing
Y
365
N
doub
N
366
N
sing
Y
367
N
doub
N
368
N
sing
Y
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
N
380
N
doub
N
381
N
sing
N
382
N
sing
N
383
N
sing
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
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
278
617
628
10.1006/jmbi.1998.1667
9600843
Crystal structure of yellow meal worm alpha-amylase at 1.64 A resolution.
1998
NE
FEBS Lett.
FEBLAL
0165
0014-5793
409
109
The Alpha-Amylase from the Yellow Meal Worm: Complete Primary Structure, Crystallization and Preliminary X-Ray Analysis
1997
10.2210/pdb1jae/pdb
pdb_00001jae
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
1
IMAGE PLATE
MAR scanner 300 mm plate
GRAPHITE(002)
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU RUH2R
51263.066
ALPHA-AMYLASE
3.2.1.1
RESIDUES 1 - 471
1
nat
polymer
40.078
CALCIUM ION
1
syn
non-polymer
35.453
CHLORIDE ION
1
syn
non-polymer
18.015
water
261
nat
water
no
yes
(PCA)KDANFASGRNSIVHLFEWKWNDIADECERFLQPQGFGGVQISPPNEYLVADGRPWWERYQPVSYIINTRSGDESA
FTDMTRRCNDAGVRIYVDAVINHMTGMNGVGTSGSSADHDGMNYPAVPYGSGDFHSPCEVNNYQDADNVRNCELVGLRDL
NQGSDYVRGVLIDYMNHMIDLGVAGFRVDAAKHMSPGDLSVIFSGLKNLNTDYGFADGARPFIYQEVIDLGGEAISKNEY
TGFGCVLEFQFGVSLGNAFQGGNQLKNLANWGPEWGLLEGLDAVVFVDNHDNQRTGGSQILTYKNPKPYKMAIAFMLAHP
YGTTRIMSSFDFTDNDQGPPQDGSGNLISPGINDDNTCSNGYVCEHRWRQVYGMVGFRNAVEGTQVENWWSNDDNQIAFS
RGSQGFVAFTNGGDLNQNLNTGLPAGTYCDVISGELSGGSCTGKSVTVGDNGSADISLGSAEDDGVLAIHVNAKL
QKDANFASGRNSIVHLFEWKWNDIADECERFLQPQGFGGVQISPPNEYLVADGRPWWERYQPVSYIINTRSGDESAFTDM
TRRCNDAGVRIYVDAVINHMTGMNGVGTSGSSADHDGMNYPAVPYGSGDFHSPCEVNNYQDADNVRNCELVGLRDLNQGS
DYVRGVLIDYMNHMIDLGVAGFRVDAAKHMSPGDLSVIFSGLKNLNTDYGFADGARPFIYQEVIDLGGEAISKNEYTGFG
CVLEFQFGVSLGNAFQGGNQLKNLANWGPEWGLLEGLDAVVFVDNHDNQRTGGSQILTYKNPKPYKMAIAFMLAHPYGTT
RIMSSFDFTDNDQGPPQDGSGNLISPGINDDNTCSNGYVCEHRWRQVYGMVGFRNAVEGTQVENWWSNDDNQIAFSRGSQ
GFVAFTNGGDLNQNLNTGLPAGTYCDVISGELSGGSCTGKSVTVGDNGSADISLGSAEDDGVLAIHVNAKL
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
yellow mealworm
Tenebrio
sample
7067
Tenebrio molitor
1
2.24
45
UNRELEASED COORDINATES KINDLY CEASED BY M.MACHIUS AND G.WIEGAND
6.5
200 MM SODIUM ACETATE, 100 MM BISTRIS-HCL PH 6.5 30% W/V PEG 8000
pdbx_struct_conn_angle
pdbx_unobs_or_zero_occ_atoms
struct_conn
entity_poly
pdbx_struct_mod_residue
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
pdbx_struct_conn_angle
pdbx_unobs_or_zero_occ_atoms
struct_conn
struct_site
repository
Initial release
Version format compliance
Version format compliance
Advisory
Derived calculations
Derived calculations
Polymer sequence
Advisory
Data collection
Database references
Derived calculations
Refinement description
1
0
1998-11-04
1
1
2008-03-24
1
2
2011-07-13
1
3
2019-11-20
2
0
2019-12-25
2
1
2024-04-03
_entity_poly.pdbx_seq_one_letter_code_can
_pdbx_struct_mod_residue.parent_comp_id
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_struct_conn_angle.ptnr1_auth_seq_id
_pdbx_struct_conn_angle.ptnr3_auth_seq_id
_pdbx_struct_conn_angle.value
_struct_conn.pdbx_dist_value
_struct_conn.ptnr2_auth_seq_id
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
Y
BNL
1997-09-30
REL
CA
CALCIUM ION
CL
CHLORIDE ION
HOH
water
C-TERMINUS - LEU 496: N-TERMINUS BLOCKED AGAINST
AMINOPEPTIDASE ACTIVITY BY GLUTAMINE CYCLATION TO RENDER
PYROGLUTAMATE.
1PIF
PIG PANCREATIC ALPHA AMYLASE
PDB
experimental model
CA
500
2
CA
CA
500
A
CL
501
3
CL
CL
501
A
HOH
502
4
HOH
HOH
502
A
HOH
503
4
HOH
HOH
503
A
HOH
504
4
HOH
HOH
504
A
HOH
505
4
HOH
HOH
505
A
HOH
506
4
HOH
HOH
506
A
HOH
507
4
HOH
HOH
507
A
HOH
508
4
HOH
HOH
508
A
HOH
509
4
HOH
HOH
509
A
HOH
510
4
HOH
HOH
510
A
HOH
511
4
HOH
HOH
511
A
HOH
512
4
HOH
HOH
512
A
HOH
513
4
HOH
HOH
513
A
HOH
514
4
HOH
HOH
514
A
HOH
515
4
HOH
HOH
515
A
HOH
516
4
HOH
HOH
516
A
HOH
517
4
HOH
HOH
517
A
HOH
518
4
HOH
HOH
518
A
HOH
519
4
HOH
HOH
519
A
HOH
520
4
HOH
HOH
520
A
HOH
521
4
HOH
HOH
521
A
HOH
522
4
HOH
HOH
522
A
HOH
523
4
HOH
HOH
523
A
HOH
524
4
HOH
HOH
524
A
HOH
525
4
HOH
HOH
525
A
HOH
526
4
HOH
HOH
526
A
HOH
527
4
HOH
HOH
527
A
HOH
528
4
HOH
HOH
528
A
HOH
529
4
HOH
HOH
529
A
HOH
530
4
HOH
HOH
530
A
HOH
531
4
HOH
HOH
531
A
HOH
532
4
HOH
HOH
532
A
HOH
533
4
HOH
HOH
533
A
HOH
534
4
HOH
HOH
534
A
HOH
535
4
HOH
HOH
535
A
HOH
536
4
HOH
HOH
536
A
HOH
537
4
HOH
HOH
537
A
HOH
538
4
HOH
HOH
538
A
HOH
539
4
HOH
HOH
539
A
HOH
540
4
HOH
HOH
540
A
HOH
541
4
HOH
HOH
541
A
HOH
542
4
HOH
HOH
542
A
HOH
543
4
HOH
HOH
543
A
HOH
544
4
HOH
HOH
544
A
HOH
545
4
HOH
HOH
545
A
HOH
546
4
HOH
HOH
546
A
HOH
547
4
HOH
HOH
547
A
HOH
548
4
HOH
HOH
548
A
HOH
549
4
HOH
HOH
549
A
HOH
550
4
HOH
HOH
550
A
HOH
551
4
HOH
HOH
551
A
HOH
552
4
HOH
HOH
552
A
HOH
553
4
HOH
HOH
553
A
HOH
554
4
HOH
HOH
554
A
HOH
555
4
HOH
HOH
555
A
HOH
556
4
HOH
HOH
556
A
HOH
557
4
HOH
HOH
557
A
HOH
558
4
HOH
HOH
558
A
HOH
559
4
HOH
HOH
559
A
HOH
560
4
HOH
HOH
560
A
HOH
561
4
HOH
HOH
561
A
HOH
562
4
HOH
HOH
562
A
HOH
563
4
HOH
HOH
563
A
HOH
564
4
HOH
HOH
564
A
HOH
565
4
HOH
HOH
565
A
HOH
566
4
HOH
HOH
566
A
HOH
567
4
HOH
HOH
567
A
HOH
568
4
HOH
HOH
568
A
HOH
569
4
HOH
HOH
569
A
HOH
570
4
HOH
HOH
570
A
HOH
571
4
HOH
HOH
571
A
HOH
572
4
HOH
HOH
572
A
HOH
573
4
HOH
HOH
573
A
HOH
574
4
HOH
HOH
574
A
HOH
575
4
HOH
HOH
575
A
HOH
576
4
HOH
HOH
576
A
HOH
577
4
HOH
HOH
577
A
HOH
578
4
HOH
HOH
578
A
HOH
579
4
HOH
HOH
579
A
HOH
580
4
HOH
HOH
580
A
HOH
581
4
HOH
HOH
581
A
HOH
582
4
HOH
HOH
582
A
HOH
583
4
HOH
HOH
583
A
HOH
584
4
HOH
HOH
584
A
HOH
585
4
HOH
HOH
585
A
HOH
586
4
HOH
HOH
586
A
HOH
587
4
HOH
HOH
587
A
HOH
588
4
HOH
HOH
588
A
HOH
589
4
HOH
HOH
589
A
HOH
590
4
HOH
HOH
590
A
HOH
591
4
HOH
HOH
591
A
HOH
592
4
HOH
HOH
592
A
HOH
593
4
HOH
HOH
593
A
HOH
594
4
HOH
HOH
594
A
HOH
595
4
HOH
HOH
595
A
HOH
596
4
HOH
HOH
596
A
HOH
597
4
HOH
HOH
597
A
HOH
598
4
HOH
HOH
598
A
HOH
599
4
HOH
HOH
599
A
HOH
600
4
HOH
HOH
600
A
HOH
601
4
HOH
HOH
601
A
HOH
602
4
HOH
HOH
602
A
HOH
603
4
HOH
HOH
603
A
HOH
604
4
HOH
HOH
604
A
HOH
605
4
HOH
HOH
605
A
HOH
606
4
HOH
HOH
606
A
HOH
607
4
HOH
HOH
607
A
HOH
608
4
HOH
HOH
608
A
HOH
609
4
HOH
HOH
609
A
HOH
610
4
HOH
HOH
610
A
HOH
611
4
HOH
HOH
611
A
HOH
612
4
HOH
HOH
612
A
HOH
613
4
HOH
HOH
613
A
HOH
614
4
HOH
HOH
614
A
HOH
615
4
HOH
HOH
615
A
HOH
616
4
HOH
HOH
616
A
HOH
617
4
HOH
HOH
617
A
HOH
618
4
HOH
HOH
618
A
HOH
619
4
HOH
HOH
619
A
HOH
620
4
HOH
HOH
620
A
HOH
621
4
HOH
HOH
621
A
HOH
622
4
HOH
HOH
622
A
HOH
623
4
HOH
HOH
623
A
HOH
624
4
HOH
HOH
624
A
HOH
625
4
HOH
HOH
625
A
HOH
626
4
HOH
HOH
626
A
HOH
627
4
HOH
HOH
627
A
HOH
628
4
HOH
HOH
628
A
HOH
629
4
HOH
HOH
629
A
HOH
630
4
HOH
HOH
630
A
HOH
631
4
HOH
HOH
631
A
HOH
632
4
HOH
HOH
632
A
HOH
633
4
HOH
HOH
633
A
HOH
634
4
HOH
HOH
634
A
HOH
635
4
HOH
HOH
635
A
HOH
636
4
HOH
HOH
636
A
HOH
637
4
HOH
HOH
637
A
HOH
638
4
HOH
HOH
638
A
HOH
639
4
HOH
HOH
639
A
HOH
640
4
HOH
HOH
640
A
HOH
641
4
HOH
HOH
641
A
HOH
642
4
HOH
HOH
642
A
HOH
643
4
HOH
HOH
643
A
HOH
644
4
HOH
HOH
644
A
HOH
645
4
HOH
HOH
645
A
HOH
646
4
HOH
HOH
646
A
HOH
647
4
HOH
HOH
647
A
HOH
648
4
HOH
HOH
648
A
HOH
649
4
HOH
HOH
649
A
HOH
650
4
HOH
HOH
650
A
HOH
651
4
HOH
HOH
651
A
HOH
652
4
HOH
HOH
652
A
HOH
653
4
HOH
HOH
653
A
HOH
654
4
HOH
HOH
654
A
HOH
655
4
HOH
HOH
655
A
HOH
656
4
HOH
HOH
656
A
HOH
657
4
HOH
HOH
657
A
HOH
658
4
HOH
HOH
658
A
HOH
659
4
HOH
HOH
659
A
HOH
660
4
HOH
HOH
660
A
HOH
661
4
HOH
HOH
661
A
HOH
662
4
HOH
HOH
662
A
HOH
663
4
HOH
HOH
663
A
HOH
664
4
HOH
HOH
664
A
HOH
665
4
HOH
HOH
665
A
HOH
666
4
HOH
HOH
666
A
HOH
667
4
HOH
HOH
667
A
HOH
668
4
HOH
HOH
668
A
HOH
669
4
HOH
HOH
669
A
HOH
670
4
HOH
HOH
670
A
HOH
671
4
HOH
HOH
671
A
HOH
672
4
HOH
HOH
672
A
HOH
673
4
HOH
HOH
673
A
HOH
674
4
HOH
HOH
674
A
HOH
675
4
HOH
HOH
675
A
HOH
676
4
HOH
HOH
676
A
HOH
677
4
HOH
HOH
677
A
HOH
678
4
HOH
HOH
678
A
HOH
679
4
HOH
HOH
679
A
HOH
680
4
HOH
HOH
680
A
HOH
681
4
HOH
HOH
681
A
HOH
682
4
HOH
HOH
682
A
HOH
683
4
HOH
HOH
683
A
HOH
684
4
HOH
HOH
684
A
HOH
685
4
HOH
HOH
685
A
HOH
686
4
HOH
HOH
686
A
HOH
687
4
HOH
HOH
687
A
HOH
688
4
HOH
HOH
688
A
HOH
689
4
HOH
HOH
689
A
HOH
690
4
HOH
HOH
690
A
HOH
691
4
HOH
HOH
691
A
HOH
692
4
HOH
HOH
692
A
HOH
693
4
HOH
HOH
693
A
HOH
694
4
HOH
HOH
694
A
HOH
695
4
HOH
HOH
695
A
HOH
696
4
HOH
HOH
696
A
HOH
697
4
HOH
HOH
697
A
HOH
698
4
HOH
HOH
698
A
HOH
699
4
HOH
HOH
699
A
HOH
700
4
HOH
HOH
700
A
HOH
701
4
HOH
HOH
701
A
HOH
702
4
HOH
HOH
702
A
HOH
703
4
HOH
HOH
703
A
HOH
704
4
HOH
HOH
704
A
HOH
705
4
HOH
HOH
705
A
HOH
706
4
HOH
HOH
706
A
HOH
707
4
HOH
HOH
707
A
HOH
708
4
HOH
HOH
708
A
HOH
709
4
HOH
HOH
709
A
HOH
710
4
HOH
HOH
710
A
HOH
711
4
HOH
HOH
711
A
HOH
712
4
HOH
HOH
712
A
HOH
713
4
HOH
HOH
713
A
HOH
714
4
HOH
HOH
714
A
HOH
715
4
HOH
HOH
715
A
HOH
716
4
HOH
HOH
716
A
HOH
717
4
HOH
HOH
717
A
HOH
718
4
HOH
HOH
718
A
HOH
719
4
HOH
HOH
719
A
HOH
720
4
HOH
HOH
720
A
HOH
721
4
HOH
HOH
721
A
HOH
722
4
HOH
HOH
722
A
HOH
723
4
HOH
HOH
723
A
HOH
724
4
HOH
HOH
724
A
HOH
725
4
HOH
HOH
725
A
HOH
726
4
HOH
HOH
726
A
HOH
727
4
HOH
HOH
727
A
HOH
728
4
HOH
HOH
728
A
HOH
729
4
HOH
HOH
729
A
HOH
730
4
HOH
HOH
730
A
HOH
731
4
HOH
HOH
731
A
HOH
732
4
HOH
HOH
732
A
HOH
733
4
HOH
HOH
733
A
HOH
734
4
HOH
HOH
734
A
HOH
735
4
HOH
HOH
735
A
HOH
736
4
HOH
HOH
736
A
HOH
737
4
HOH
HOH
737
A
HOH
738
4
HOH
HOH
738
A
HOH
739
4
HOH
HOH
739
A
HOH
740
4
HOH
HOH
740
A
HOH
741
4
HOH
HOH
741
A
HOH
742
4
HOH
HOH
742
A
HOH
743
4
HOH
HOH
743
A
HOH
744
4
HOH
HOH
744
A
HOH
745
4
HOH
HOH
745
A
HOH
746
4
HOH
HOH
746
A
HOH
747
4
HOH
HOH
747
A
HOH
748
4
HOH
HOH
748
A
HOH
749
4
HOH
HOH
749
A
HOH
750
4
HOH
HOH
750
A
HOH
751
4
HOH
HOH
751
A
HOH
752
4
HOH
HOH
752
A
HOH
753
4
HOH
HOH
753
A
HOH
754
4
HOH
HOH
754
A
HOH
755
4
HOH
HOH
755
A
HOH
756
4
HOH
HOH
756
A
HOH
757
4
HOH
HOH
757
A
HOH
758
4
HOH
HOH
758
A
HOH
759
4
HOH
HOH
759
A
HOH
760
4
HOH
HOH
760
A
HOH
761
4
HOH
HOH
761
A
HOH
762
4
HOH
HOH
762
A
5HP
1
n
1
PCA
1
A
LYS
2
n
2
LYS
2
A
ASP
3
n
3
ASP
3
A
ALA
4
n
4
ALA
4
A
ASN
5
n
5
ASN
5
A
PHE
6
n
6
PHE
6
A
ALA
7
n
7
ALA
7
A
SER
8
n
8
SER
8
A
GLY
9
n
9
GLY
9
A
ARG
10
n
10
ARG
10
A
ASN
11
n
11
ASN
11
A
SER
12
n
12
SER
12
A
ILE
13
n
13
ILE
13
A
VAL
14
n
14
VAL
14
A
HIS
15
n
15
HIS
15
A
LEU
16
n
16
LEU
16
A
PHE
17
n
17
PHE
17
A
GLU
18
n
18
GLU
18
A
TRP
19
n
19
TRP
19
A
LYS
20
n
20
LYS
20
A
TRP
21
n
21
TRP
21
A
ASN
22
n
22
ASN
22
A
ASP
23
n
23
ASP
23
A
ILE
24
n
24
ILE
24
A
ALA
25
n
25
ALA
25
A
ASP
26
n
26
ASP
26
A
GLU
27
n
27
GLU
27
A
CYS
28
n
28
CYS
28
A
GLU
29
n
29
GLU
29
A
ARG
30
n
30
ARG
30
A
PHE
31
n
31
PHE
31
A
LEU
32
n
32
LEU
32
A
GLN
33
n
33
GLN
33
A
PRO
34
n
34
PRO
34
A
GLN
35
n
35
GLN
35
A
GLY
36
n
36
GLY
36
A
PHE
37
n
37
PHE
37
A
GLY
38
n
38
GLY
38
A
GLY
39
n
39
GLY
39
A
VAL
40
n
40
VAL
40
A
GLN
41
n
41
GLN
41
A
ILE
42
n
42
ILE
42
A
SER
43
n
43
SER
43
A
PRO
44
n
44
PRO
44
A
PRO
45
n
45
PRO
45
A
ASN
46
n
46
ASN
46
A
GLU
47
n
47
GLU
47
A
TYR
48
n
48
TYR
48
A
LEU
49
n
49
LEU
49
A
VAL
50
n
50
VAL
50
A
ALA
51
n
51
ALA
51
A
ASP
52
n
52
ASP
52
A
GLY
53
n
53
GLY
53
A
ARG
54
n
54
ARG
54
A
PRO
55
n
55
PRO
55
A
TRP
56
n
56
TRP
56
A
TRP
57
n
57
TRP
57
A
GLU
58
n
58
GLU
58
A
ARG
59
n
59
ARG
59
A
TYR
60
n
60
TYR
60
A
GLN
61
n
61
GLN
61
A
PRO
62
n
62
PRO
62
A
VAL
63
n
63
VAL
63
A
SER
64
n
64
SER
64
A
TYR
65
n
65
TYR
65
A
ILE
66
n
66
ILE
66
A
ILE
67
n
67
ILE
67
A
ASN
68
n
68
ASN
68
A
THR
69
n
69
THR
69
A
ARG
70
n
70
ARG
70
A
SER
71
n
71
SER
71
A
GLY
72
n
72
GLY
72
A
ASP
73
n
73
ASP
73
A
GLU
74
n
74
GLU
74
A
SER
75
n
75
SER
75
A
ALA
76
n
76
ALA
76
A
PHE
77
n
77
PHE
77
A
THR
78
n
78
THR
78
A
ASP
79
n
79
ASP
79
A
MET
80
n
80
MET
80
A
THR
81
n
81
THR
81
A
ARG
82
n
82
ARG
82
A
ARG
83
n
83
ARG
83
A
CYS
84
n
84
CYS
84
A
ASN
85
n
85
ASN
85
A
ASP
86
n
86
ASP
86
A
ALA
87
n
87
ALA
87
A
GLY
88
n
88
GLY
88
A
VAL
89
n
89
VAL
89
A
ARG
90
n
90
ARG
90
A
ILE
91
n
91
ILE
91
A
TYR
92
n
92
TYR
92
A
VAL
93
n
93
VAL
93
A
ASP
94
n
94
ASP
94
A
ALA
95
n
95
ALA
95
A
VAL
96
n
96
VAL
96
A
ILE
97
n
97
ILE
97
A
ASN
98
n
98
ASN
98
A
HIS
99
n
99
HIS
99
A
MET
100
n
100
MET
100
A
THR
101
n
101
THR
101
A
GLY
102
n
102
GLY
102
A
MET
103
n
103
MET
103
A
ASN
104
n
104
ASN
104
A
GLY
105
n
105
GLY
105
A
VAL
106
n
106
VAL
106
A
GLY
107
n
107
GLY
107
A
THR
108
n
108
THR
108
A
SER
109
n
109
SER
109
A
GLY
110
n
110
GLY
110
A
SER
111
n
111
SER
111
A
SER
112
n
112
SER
112
A
ALA
113
n
113
ALA
113
A
ASP
114
n
114
ASP
114
A
HIS
115
n
115
HIS
115
A
ASP
116
n
116
ASP
116
A
GLY
117
n
117
GLY
117
A
MET
118
n
118
MET
118
A
ASN
119
n
119
ASN
119
A
TYR
120
n
120
TYR
120
A
PRO
121
n
121
PRO
121
A
ALA
122
n
122
ALA
122
A
VAL
123
n
123
VAL
123
A
PRO
124
n
124
PRO
124
A
TYR
125
n
125
TYR
125
A
GLY
126
n
126
GLY
126
A
SER
127
n
127
SER
127
A
GLY
128
n
128
GLY
128
A
ASP
129
n
129
ASP
129
A
PHE
130
n
130
PHE
130
A
HIS
131
n
131
HIS
131
A
SER
132
n
132
SER
132
A
PRO
133
n
133
PRO
133
A
CYS
134
n
134
CYS
134
A
GLU
135
n
135
GLU
135
A
VAL
136
n
136
VAL
136
A
ASN
137
n
137
ASN
137
A
ASN
138
n
138
ASN
138
A
TYR
139
n
139
TYR
139
A
GLN
140
n
140
GLN
140
A
ASP
141
n
141
ASP
141
A
ALA
142
n
142
ALA
142
A
ASP
143
n
143
ASP
143
A
ASN
144
n
144
ASN
144
A
VAL
145
n
145
VAL
145
A
ARG
146
n
146
ARG
146
A
ASN
147
n
147
ASN
147
A
CYS
148
n
148
CYS
148
A
GLU
149
n
149
GLU
149
A
LEU
150
n
150
LEU
150
A
VAL
151
n
151
VAL
151
A
GLY
152
n
152
GLY
152
A
LEU
153
n
153
LEU
153
A
ARG
154
n
154
ARG
154
A
ASP
155
n
155
ASP
155
A
LEU
156
n
156
LEU
156
A
ASN
157
n
157
ASN
157
A
GLN
158
n
158
GLN
158
A
GLY
159
n
159
GLY
159
A
SER
160
n
160
SER
160
A
ASP
161
n
161
ASP
161
A
TYR
162
n
162
TYR
162
A
VAL
163
n
163
VAL
163
A
ARG
164
n
164
ARG
164
A
GLY
165
n
165
GLY
165
A
VAL
166
n
166
VAL
166
A
LEU
167
n
167
LEU
167
A
ILE
168
n
168
ILE
168
A
ASP
169
n
169
ASP
169
A
TYR
170
n
170
TYR
170
A
MET
171
n
171
MET
171
A
ASN
172
n
172
ASN
172
A
HIS
173
n
173
HIS
173
A
MET
174
n
174
MET
174
A
ILE
175
n
175
ILE
175
A
ASP
176
n
176
ASP
176
A
LEU
177
n
177
LEU
177
A
GLY
178
n
178
GLY
178
A
VAL
179
n
179
VAL
179
A
ALA
180
n
180
ALA
180
A
GLY
181
n
181
GLY
181
A
PHE
182
n
182
PHE
182
A
ARG
183
n
183
ARG
183
A
VAL
184
n
184
VAL
184
A
ASP
185
n
185
ASP
185
A
ALA
186
n
186
ALA
186
A
ALA
187
n
187
ALA
187
A
LYS
188
n
188
LYS
188
A
HIS
189
n
189
HIS
189
A
MET
190
n
190
MET
190
A
SER
191
n
191
SER
191
A
PRO
192
n
192
PRO
192
A
GLY
193
n
193
GLY
193
A
ASP
194
n
194
ASP
194
A
LEU
195
n
195
LEU
195
A
SER
196
n
196
SER
196
A
VAL
197
n
197
VAL
197
A
ILE
198
n
198
ILE
198
A
PHE
199
n
199
PHE
199
A
SER
200
n
200
SER
200
A
GLY
201
n
201
GLY
201
A
LEU
202
n
202
LEU
202
A
LYS
203
n
203
LYS
203
A
ASN
204
n
204
ASN
204
A
LEU
205
n
205
LEU
205
A
ASN
206
n
206
ASN
206
A
THR
207
n
207
THR
207
A
ASP
208
n
208
ASP
208
A
TYR
209
n
209
TYR
209
A
GLY
210
n
210
GLY
210
A
PHE
211
n
211
PHE
211
A
ALA
212
n
212
ALA
212
A
ASP
213
n
213
ASP
213
A
GLY
214
n
214
GLY
214
A
ALA
215
n
215
ALA
215
A
ARG
216
n
216
ARG
216
A
PRO
217
n
217
PRO
217
A
PHE
218
n
218
PHE
218
A
ILE
219
n
219
ILE
219
A
TYR
220
n
220
TYR
220
A
GLN
221
n
221
GLN
221
A
GLU
222
n
222
GLU
222
A
VAL
223
n
223
VAL
223
A
ILE
224
n
224
ILE
224
A
ASP
225
n
225
ASP
225
A
LEU
226
n
226
LEU
226
A
GLY
227
n
227
GLY
227
A
GLY
228
n
228
GLY
228
A
GLU
229
n
229
GLU
229
A
ALA
230
n
230
ALA
230
A
ILE
231
n
231
ILE
231
A
SER
232
n
232
SER
232
A
LYS
233
n
233
LYS
233
A
ASN
234
n
234
ASN
234
A
GLU
235
n
235
GLU
235
A
TYR
236
n
236
TYR
236
A
THR
237
n
237
THR
237
A
GLY
238
n
238
GLY
238
A
PHE
239
n
239
PHE
239
A
GLY
240
n
240
GLY
240
A
CYS
241
n
241
CYS
241
A
VAL
242
n
242
VAL
242
A
LEU
243
n
243
LEU
243
A
GLU
244
n
244
GLU
244
A
PHE
245
n
245
PHE
245
A
GLN
246
n
246
GLN
246
A
PHE
247
n
247
PHE
247
A
GLY
248
n
248
GLY
248
A
VAL
249
n
249
VAL
249
A
SER
250
n
250
SER
250
A
LEU
251
n
251
LEU
251
A
GLY
252
n
252
GLY
252
A
ASN
253
n
253
ASN
253
A
ALA
254
n
254
ALA
254
A
PHE
255
n
255
PHE
255
A
GLN
256
n
256
GLN
256
A
GLY
257
n
257
GLY
257
A
GLY
258
n
258
GLY
258
A
ASN
259
n
259
ASN
259
A
GLN
260
n
260
GLN
260
A
LEU
261
n
261
LEU
261
A
LYS
262
n
262
LYS
262
A
ASN
263
n
263
ASN
263
A
LEU
264
n
264
LEU
264
A
ALA
265
n
265
ALA
265
A
ASN
266
n
266
ASN
266
A
TRP
267
n
267
TRP
267
A
GLY
268
n
268
GLY
268
A
PRO
269
n
269
PRO
269
A
GLU
270
n
270
GLU
270
A
TRP
271
n
271
TRP
271
A
GLY
272
n
272
GLY
272
A
LEU
273
n
273
LEU
273
A
LEU
274
n
274
LEU
274
A
GLU
275
n
275
GLU
275
A
GLY
276
n
276
GLY
276
A
LEU
277
n
277
LEU
277
A
ASP
278
n
278
ASP
278
A
ALA
279
n
279
ALA
279
A
VAL
280
n
280
VAL
280
A
VAL
281
n
281
VAL
281
A
PHE
282
n
282
PHE
282
A
VAL
283
n
283
VAL
283
A
ASP
284
n
284
ASP
284
A
ASN
285
n
285
ASN
285
A
HIS
286
n
286
HIS
286
A
ASP
287
n
287
ASP
287
A
ASN
288
n
288
ASN
288
A
GLN
289
n
289
GLN
289
A
ARG
290
n
290
ARG
290
A
THR
291
n
291
THR
291
A
GLY
292
n
292
GLY
292
A
GLY
293
n
293
GLY
293
A
SER
294
n
294
SER
294
A
GLN
295
n
295
GLN
295
A
ILE
296
n
296
ILE
296
A
LEU
297
n
297
LEU
297
A
THR
298
n
298
THR
298
A
TYR
299
n
299
TYR
299
A
LYS
300
n
300
LYS
300
A
ASN
301
n
301
ASN
301
A
PRO
302
n
302
PRO
302
A
LYS
303
n
303
LYS
303
A
PRO
304
n
304
PRO
304
A
TYR
305
n
305
TYR
305
A
LYS
306
n
306
LYS
306
A
MET
307
n
307
MET
307
A
ALA
308
n
308
ALA
308
A
ILE
309
n
309
ILE
309
A
ALA
310
n
310
ALA
310
A
PHE
311
n
311
PHE
311
A
MET
312
n
312
MET
312
A
LEU
313
n
313
LEU
313
A
ALA
314
n
314
ALA
314
A
HIS
315
n
315
HIS
315
A
PRO
316
n
316
PRO
316
A
TYR
317
n
317
TYR
317
A
GLY
318
n
318
GLY
318
A
THR
319
n
319
THR
319
A
THR
320
n
320
THR
320
A
ARG
321
n
321
ARG
321
A
ILE
322
n
322
ILE
322
A
MET
323
n
323
MET
323
A
SER
324
n
324
SER
324
A
SER
325
n
325
SER
325
A
PHE
326
n
326
PHE
326
A
ASP
327
n
327
ASP
327
A
PHE
328
n
328
PHE
328
A
THR
329
n
329
THR
329
A
ASP
330
n
330
ASP
330
A
ASN
331
n
331
ASN
331
A
ASP
332
n
332
ASP
332
A
GLN
333
n
333
GLN
333
A
GLY
334
n
334
GLY
334
A
PRO
335
n
335
PRO
335
A
PRO
336
n
336
PRO
336
A
GLN
337
n
337
GLN
337
A
ASP
338
n
338
ASP
338
A
GLY
339
n
339
GLY
339
A
SER
340
n
340
SER
340
A
GLY
341
n
341
GLY
341
A
ASN
342
n
342
ASN
342
A
LEU
343
n
343
LEU
343
A
ILE
344
n
344
ILE
344
A
SER
345
n
345
SER
345
A
PRO
346
n
346
PRO
346
A
GLY
347
n
347
GLY
347
A
ILE
348
n
348
ILE
348
A
ASN
349
n
349
ASN
349
A
ASP
350
n
350
ASP
350
A
ASP
351
n
351
ASP
351
A
ASN
352
n
352
ASN
352
A
THR
353
n
353
THR
353
A
CYS
354
n
354
CYS
354
A
SER
355
n
355
SER
355
A
ASN
356
n
356
ASN
356
A
GLY
357
n
357
GLY
357
A
TYR
358
n
358
TYR
358
A
VAL
359
n
359
VAL
359
A
CYS
360
n
360
CYS
360
A
GLU
361
n
361
GLU
361
A
HIS
362
n
362
HIS
362
A
ARG
363
n
363
ARG
363
A
TRP
364
n
364
TRP
364
A
ARG
365
n
365
ARG
365
A
GLN
366
n
366
GLN
366
A
VAL
367
n
367
VAL
367
A
TYR
368
n
368
TYR
368
A
GLY
369
n
369
GLY
369
A
MET
370
n
370
MET
370
A
VAL
371
n
371
VAL
371
A
GLY
372
n
372
GLY
372
A
PHE
373
n
373
PHE
373
A
ARG
374
n
374
ARG
374
A
ASN
375
n
375
ASN
375
A
ALA
376
n
376
ALA
376
A
VAL
377
n
377
VAL
377
A
GLU
378
n
378
GLU
378
A
GLY
379
n
379
GLY
379
A
THR
380
n
380
THR
380
A
GLN
381
n
381
GLN
381
A
VAL
382
n
382
VAL
382
A
GLU
383
n
383
GLU
383
A
ASN
384
n
384
ASN
384
A
TRP
385
n
385
TRP
385
A
TRP
386
n
386
TRP
386
A
SER
387
n
387
SER
387
A
ASN
388
n
388
ASN
388
A
ASP
389
n
389
ASP
389
A
ASP
390
n
390
ASP
390
A
ASN
391
n
391
ASN
391
A
GLN
392
n
392
GLN
392
A
ILE
393
n
393
ILE
393
A
ALA
394
n
394
ALA
394
A
PHE
395
n
395
PHE
395
A
SER
396
n
396
SER
396
A
ARG
397
n
397
ARG
397
A
GLY
398
n
398
GLY
398
A
SER
399
n
399
SER
399
A
GLN
400
n
400
GLN
400
A
GLY
401
n
401
GLY
401
A
PHE
402
n
402
PHE
402
A
VAL
403
n
403
VAL
403
A
ALA
404
n
404
ALA
404
A
PHE
405
n
405
PHE
405
A
THR
406
n
406
THR
406
A
ASN
407
n
407
ASN
407
A
GLY
408
n
408
GLY
408
A
GLY
409
n
409
GLY
409
A
ASP
410
n
410
ASP
410
A
LEU
411
n
411
LEU
411
A
ASN
412
n
412
ASN
412
A
GLN
413
n
413
GLN
413
A
ASN
414
n
414
ASN
414
A
LEU
415
n
415
LEU
415
A
ASN
416
n
416
ASN
416
A
THR
417
n
417
THR
417
A
GLY
418
n
418
GLY
418
A
LEU
419
n
419
LEU
419
A
PRO
420
n
420
PRO
420
A
ALA
421
n
421
ALA
421
A
GLY
422
n
422
GLY
422
A
THR
423
n
423
THR
423
A
TYR
424
n
424
TYR
424
A
CYS
425
n
425
CYS
425
A
ASP
426
n
426
ASP
426
A
VAL
427
n
427
VAL
427
A
ILE
428
n
428
ILE
428
A
SER
429
n
429
SER
429
A
GLY
430
n
430
GLY
430
A
GLU
431
n
431
GLU
431
A
LEU
432
n
432
LEU
432
A
SER
433
n
433
SER
433
A
GLY
434
n
434
GLY
434
A
GLY
435
n
435
GLY
435
A
SER
436
n
436
SER
436
A
CYS
437
n
437
CYS
437
A
THR
438
n
438
THR
438
A
GLY
439
n
439
GLY
439
A
LYS
440
n
440
LYS
440
A
SER
441
n
441
SER
441
A
VAL
442
n
442
VAL
442
A
THR
443
n
443
THR
443
A
VAL
444
n
444
VAL
444
A
GLY
445
n
445
GLY
445
A
ASP
446
n
446
ASP
446
A
ASN
447
n
447
ASN
447
A
GLY
448
n
448
GLY
448
A
SER
449
n
449
SER
449
A
ALA
450
n
450
ALA
450
A
ASP
451
n
451
ASP
451
A
ILE
452
n
452
ILE
452
A
SER
453
n
453
SER
453
A
LEU
454
n
454
LEU
454
A
GLY
455
n
455
GLY
455
A
SER
456
n
456
SER
456
A
ALA
457
n
457
ALA
457
A
GLU
458
n
458
GLU
458
A
ASP
459
n
459
ASP
459
A
ASP
460
n
460
ASP
460
A
GLY
461
n
461
GLY
461
A
VAL
462
n
462
VAL
462
A
LEU
463
n
463
LEU
463
A
ALA
464
n
464
ALA
464
A
ILE
465
n
465
ILE
465
A
HIS
466
n
466
HIS
466
A
VAL
467
n
467
VAL
467
A
ASN
468
n
468
ASN
468
A
ALA
469
n
469
ALA
469
A
LYS
470
n
470
LYS
470
A
LEU
471
n
471
LEU
471
A
author_defined_assembly
1
monomeric
A
ASN
98
A
OD1
ASN
98
1_555
A
CA
500
B
CA
CA
1_555
A
ARG
146
A
O
ARG
146
1_555
153.0
A
ASN
98
A
OD1
ASN
98
1_555
A
CA
500
B
CA
CA
1_555
A
ASP
155
A
OD1
ASP
155
1_555
80.2
A
ARG
146
A
O
ARG
146
1_555
A
CA
500
B
CA
CA
1_555
A
ASP
155
A
OD1
ASP
155
1_555
115.6
A
ASN
98
A
OD1
ASN
98
1_555
A
CA
500
B
CA
CA
1_555
A
ASP
155
A
OD2
ASP
155
1_555
127.0
A
ARG
146
A
O
ARG
146
1_555
A
CA
500
B
CA
CA
1_555
A
ASP
155
A
OD2
ASP
155
1_555
77.4
A
ASP
155
A
OD1
ASP
155
1_555
A
CA
500
B
CA
CA
1_555
A
ASP
155
A
OD2
ASP
155
1_555
51.2
A
ASN
98
A
OD1
ASN
98
1_555
A
CA
500
B
CA
CA
1_555
A
HIS
189
A
O
HIS
189
1_555
73.8
A
ARG
146
A
O
ARG
146
1_555
A
CA
500
B
CA
CA
1_555
A
HIS
189
A
O
HIS
189
1_555
80.6
A
ASP
155
A
OD1
ASP
155
1_555
A
CA
500
B
CA
CA
1_555
A
HIS
189
A
O
HIS
189
1_555
139.4
A
ASP
155
A
OD2
ASP
155
1_555
A
CA
500
B
CA
CA
1_555
A
HIS
189
A
O
HIS
189
1_555
157.6
A
ASN
98
A
OD1
ASN
98
1_555
A
CA
500
B
CA
CA
1_555
A
HOH
510
D
O
HOH
1_555
71.2
A
ARG
146
A
O
ARG
146
1_555
A
CA
500
B
CA
CA
1_555
A
HOH
510
D
O
HOH
1_555
132.2
A
ASP
155
A
OD1
ASP
155
1_555
A
CA
500
B
CA
CA
1_555
A
HOH
510
D
O
HOH
1_555
75.4
A
ASP
155
A
OD2
ASP
155
1_555
A
CA
500
B
CA
CA
1_555
A
HOH
510
D
O
HOH
1_555
76.5
A
HIS
189
A
O
HIS
189
1_555
A
CA
500
B
CA
CA
1_555
A
HOH
510
D
O
HOH
1_555
122.6
A
ASN
98
A
OD1
ASN
98
1_555
A
CA
500
B
CA
CA
1_555
A
HOH
520
D
O
HOH
1_555
93.5
A
ARG
146
A
O
ARG
146
1_555
A
CA
500
B
CA
CA
1_555
A
HOH
520
D
O
HOH
1_555
73.5
A
ASP
155
A
OD1
ASP
155
1_555
A
CA
500
B
CA
CA
1_555
A
HOH
520
D
O
HOH
1_555
70.1
A
ASP
155
A
OD2
ASP
155
1_555
A
CA
500
B
CA
CA
1_555
A
HOH
520
D
O
HOH
1_555
88.8
A
HIS
189
A
O
HIS
189
1_555
A
CA
500
B
CA
CA
1_555
A
HOH
520
D
O
HOH
1_555
80.8
A
HOH
510
D
O
HOH
1_555
A
CA
500
B
CA
CA
1_555
A
HOH
520
D
O
HOH
1_555
144.2
A
ASN
98
A
OD1
ASN
98
1_555
A
CA
500
B
CA
CA
1_555
A
HOH
529
D
O
HOH
1_555
110.8
A
ARG
146
A
O
ARG
146
1_555
A
CA
500
B
CA
CA
1_555
A
HOH
529
D
O
HOH
1_555
73.5
A
ASP
155
A
OD1
ASP
155
1_555
A
CA
500
B
CA
CA
1_555
A
HOH
529
D
O
HOH
1_555
137.3
A
ASP
155
A
OD2
ASP
155
1_555
A
CA
500
B
CA
CA
1_555
A
HOH
529
D
O
HOH
1_555
95.9
A
HIS
189
A
O
HIS
189
1_555
A
CA
500
B
CA
CA
1_555
A
HOH
529
D
O
HOH
1_555
81.8
A
HOH
510
D
O
HOH
1_555
A
CA
500
B
CA
CA
1_555
A
HOH
529
D
O
HOH
1_555
70.3
A
HOH
520
D
O
HOH
1_555
A
CA
500
B
CA
CA
1_555
A
HOH
529
D
O
HOH
1_555
144.6
A
PCA
1
PYROGLUTAMIC ACID
A
PCA
1
GLN
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
ILE
322
A
O
ILE
322
A
N
ASN
11
A
N
ASN
11
A
O
VAL
14
A
O
VAL
14
A
N
PHE
37
A
N
PHE
37
A
O
VAL
40
A
O
VAL
40
A
N
ARG
90
A
N
ARG
90
A
O
VAL
93
A
O
VAL
93
A
N
GLY
181
A
N
GLY
181
A
O
PHE
182
A
O
PHE
182
A
N
PHE
218
A
N
PHE
218
A
O
GLN
221
A
O
GLN
221
A
N
CYS
241
A
N
CYS
241
A
O
ILE
393
A
O
ILE
393
A
N
PHE
405
A
N
PHE
405
A
O
PHE
402
A
O
PHE
402
A
N
ILE
465
A
N
ILE
465
A
O
LEU
411
A
O
LEU
411
A
N
LEU
454
A
N
LEU
454
A
O
GLY
422
A
O
GLY
422
A
N
VAL
444
A
N
VAL
444
1
A
CG
GLU
135
A
CG
GLU
135
0
Y
1
A
CD
GLU
135
A
CD
GLU
135
0
Y
1
A
OE1
GLU
135
A
OE1
GLU
135
0
Y
1
A
OE2
GLU
135
A
OE2
GLU
135
0
Y
1
A
CG
GLU
275
A
CG
GLU
275
0
Y
1
A
CD
GLU
275
A
CD
GLU
275
0
Y
1
A
OE1
GLU
275
A
OE1
GLU
275
0
Y
1
A
OE2
GLU
275
A
OE2
GLU
275
0
Y
1
A
CD
GLU
378
A
CD
GLU
378
0
Y
1
A
OE1
GLU
378
A
OE1
GLU
378
0
Y
1
A
OE2
GLU
378
A
OE2
GLU
378
0
Y
1
A
CD
GLN
381
A
CD
GLN
381
0
Y
1
A
OE1
GLN
381
A
OE1
GLN
381
0
Y
1
A
NE2
GLN
381
A
NE2
GLN
381
0
Y
1
A
CG
ASP
389
A
CG
ASP
389
0
Y
1
A
OD1
ASP
389
A
OD1
ASP
389
0
Y
1
A
OD2
ASP
389
A
OD2
ASP
389
0
Y
1
A
CB
ASP
446
A
CB
ASP
446
0
Y
1
A
CG
ASP
446
A
CG
ASP
446
0
Y
1
A
OD1
ASP
446
A
OD1
ASP
446
0
Y
1
A
OD2
ASP
446
A
OD2
ASP
446
0
Y
1
A
SER
12
74.48
145.20
1
A
PHE
31
-135.69
-50.17
1
A
MET
100
-113.91
-121.67
1
A
ASP
390
-144.39
-107.78
15.3
0.206
0.177
0.177
1.65
7.0
55053
7
1
FREE R
0
MOLECULAR REPLACEMENT
PIG PANCREATIC ALPHA AMYLASE
1.65
7.0
261
3869
2
0
3606
0.008
1.482
1.65
20.
1JAE
58219
3
0.057
1
4.2
99.9
data reduction
MOSFLM
V. 5.23
data reduction
CCP4
model building
X-PLOR
3.1
refinement
X-PLOR
3.1
data scaling
CCP4
phasing
X-PLOR
3.1
STRUCTURE OF TENEBRIO MOLITOR LARVAL ALPHA-AMYLASE
1
N
N
2
N
N
3
N
N
4
N
N
A
TRP
21
A
TRP
21
HELX_P
A
PHE
31
A
PHE
31
1
H1
11
A
TRP
56
A
TRP
56
HELX_P
A
TYR
60
A
TYR
60
5
H2
5
A
GLU
74
A
GLU
74
HELX_P
A
ALA
87
A
ALA
87
1
H3
14
A
ALA
142
A
ALA
142
HELX_P
A
ASN
147
A
ASN
147
1
H4
6
A
ASP
161
A
ASP
161
HELX_P
A
LEU
177
A
LEU
177
5
H5
17
A
PRO
192
A
PRO
192
HELX_P
A
GLY
201
A
GLY
201
1
H6
10
A
LYS
233
A
LYS
233
HELX_P
A
TYR
236
A
TYR
236
5
H7
4
A
PHE
245
A
PHE
245
HELX_P
A
GLN
256
A
GLN
256
1
H8
12
A
LEU
261
A
LEU
261
HELX_P
A
ASN
266
A
ASN
266
5
H9
6
A
ASP
287
A
ASP
287
HELX_P
A
GLY
292
A
GLY
292
1
H10
6
A
PRO
302
A
PRO
302
HELX_P
A
ALA
314
A
ALA
314
5
H11
13
A
ARG
365
A
ARG
365
HELX_P
A
ALA
376
A
ALA
376
1
H12
12
disulf
2.022
A
CYS
28
A
SG
CYS
28
1_555
A
CYS
84
A
SG
CYS
84
1_555
disulf
2.036
A
CYS
134
A
SG
CYS
134
1_555
A
CYS
148
A
SG
CYS
148
1_555
disulf
2.030
A
CYS
354
A
SG
CYS
354
1_555
A
CYS
360
A
SG
CYS
360
1_555
disulf
2.026
A
CYS
425
A
SG
CYS
425
1_555
A
CYS
437
A
SG
CYS
437
1_555
covale
1.332
both
A
PCA
1
A
C
PCA
1
1_555
A
LYS
2
A
N
LYS
2
1_555
metalc
2.434
A
ASN
98
A
OD1
ASN
98
1_555
A
CA
500
B
CA
CA
1_555
metalc
2.421
A
ARG
146
A
O
ARG
146
1_555
A
CA
500
B
CA
CA
1_555
metalc
2.561
A
ASP
155
A
OD1
ASP
155
1_555
A
CA
500
B
CA
CA
1_555
metalc
2.496
A
ASP
155
A
OD2
ASP
155
1_555
A
CA
500
B
CA
CA
1_555
metalc
2.347
A
HIS
189
A
O
HIS
189
1_555
A
CA
500
B
CA
CA
1_555
metalc
2.431
A
CA
500
B
CA
CA
1_555
A
HOH
510
D
O
HOH
1_555
metalc
2.550
A
CA
500
B
CA
CA
1_555
A
HOH
520
D
O
HOH
1_555
metalc
2.368
A
CA
500
B
CA
CA
1_555
A
HOH
529
D
O
HOH
1_555
GLYCOSIDASE
GLYCOSIDASE, ALPHA-AMYLASE, CARBOHYDRATE METABOLISM, ALPHA-1, 4-GLUCAN-4-GLUCANOHYDROLASE, HYDROLASE
A
VAL
123
A
VAL
123
1
A
PRO
124
A
PRO
124
-0.33
AMY_TENMO
UNP
1
2
P56634
2
471
1JAE
2
471
P56634
A
1
2
471
7
3
2
2
parallel
parallel
parallel
parallel
parallel
parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
THR
319
A
THR
319
A
SER
324
A
SER
324
A
ASN
11
A
ASN
11
A
LEU
16
A
LEU
16
A
PHE
37
A
PHE
37
A
ILE
42
A
ILE
42
A
ARG
90
A
ARG
90
A
ALA
95
A
ALA
95
A
GLY
181
A
GLY
181
A
ASP
185
A
ASP
185
A
PHE
218
A
PHE
218
A
GLU
222
A
GLU
222
A
CYS
241
A
CYS
241
A
LEU
243
A
LEU
243
A
GLN
392
A
GLN
392
A
ARG
397
A
ARG
397
A
GLY
401
A
GLY
401
A
THR
406
A
THR
406
A
VAL
462
A
VAL
462
A
HIS
466
A
HIS
466
A
LEU
411
A
LEU
411
A
ASN
416
A
ASN
416
A
SER
449
A
SER
449
A
LEU
454
A
LEU
454
A
GLY
422
A
GLY
422
A
CYS
425
A
CYS
425
A
SER
441
A
SER
441
A
VAL
444
A
VAL
444
BINDING SITE FOR RESIDUE CA A 500
A
CA
500
Software
7
BINDING SITE FOR RESIDUE CL A 501
A
CL
501
Software
5
A
ASN
98
A
ASN
98
7
1_555
A
ARG
146
A
ARG
146
7
1_555
A
ASP
155
A
ASP
155
7
1_555
A
HIS
189
A
HIS
189
7
1_555
A
HOH
510
D
HOH
7
1_555
A
HOH
520
D
HOH
7
1_555
A
HOH
529
D
HOH
7
1_555
A
ARG
183
A
ARG
183
5
1_555
A
LEU
243
A
LEU
243
5
1_555
A
ASN
285
A
ASN
285
5
1_555
A
ARG
321
A
ARG
321
5
1_555
A
HOH
521
D
HOH
5
1_555
19
P 21 21 21