0.018846
0.000000
0.000000
0.000000
0.013336
0.000000
0.000000
0.000000
0.007294
0.00000
0.00000
0.00000
Numao, S.
Maurus, R.
Sidhu, G.
Wang, Y.
Overall, C.M.
Brayer, G.D.
Withers, S.G.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
90.00
90.00
53.062
74.984
137.108
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
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
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
N
N
252
S
C
N
253
N
C
N
254
N
C
N
255
N
C
N
256
N
O
N
257
N
C
N
258
N
O
N
259
N
O
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
N
N
268
S
C
N
269
N
C
N
270
N
O
N
271
N
C
Y
272
N
C
Y
273
N
C
Y
274
N
C
Y
275
N
C
Y
276
N
C
Y
277
N
C
N
278
N
O
N
279
N
H
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
N
N
291
S
C
N
292
N
C
N
293
N
O
N
294
N
C
N
295
N
C
N
296
N
C
N
297
N
O
N
298
N
H
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
N
N
308
S
C
N
309
N
C
N
310
N
O
N
311
N
C
N
312
N
O
N
313
N
O
N
314
N
H
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
N
N
322
S
C
N
323
N
C
N
324
N
O
N
325
R
C
N
326
N
O
N
327
N
C
N
328
N
O
N
329
N
H
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
N
N
339
S
C
N
340
N
C
N
341
N
O
N
342
N
C
Y
343
N
C
Y
344
N
C
Y
345
N
C
Y
346
N
N
Y
347
N
C
Y
348
N
C
Y
349
N
C
Y
350
N
C
Y
351
N
C
N
352
N
O
N
353
N
H
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
N
N
366
S
C
N
367
N
C
N
368
N
O
N
369
N
C
Y
370
N
C
Y
371
N
C
Y
372
N
C
Y
373
N
C
Y
374
N
C
Y
375
N
C
N
376
N
O
N
377
N
O
N
378
N
H
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
N
N
390
S
C
N
391
N
C
N
392
N
O
N
393
N
C
N
394
N
C
N
395
N
C
N
396
N
O
N
397
N
H
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
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
US
Biochemistry
BICHAW
0033
0006-2960
41
215
225
10.1021/bi0115636
11772019
Probing the role of the chloride ion in the mechanism of human pancreatic alpha-amylase.
2002
10.2210/pdb1kgu/pdb
pdb_00001kgu
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
MIRRORS
IMAGE PLATE
1999-07-09
RIGAKU RAXIS IIC
MIRRORS
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
1.5418
ROTATING ANODE
RIGAKU RU300
55845.188
ALPHA-AMYLASE, PANCREATIC
3.2.1.1
R377A
1
man
polymer
40.078
CALCIUM ION
1
syn
non-polymer
18.015
water
220
nat
water
1,4-ALPHA-D-GLUCAN GLUCANOHYDROLASE, PANCREATIC ALPHA-AMYLASE, PA
no
yes
(PCA)YSPNTQQGRTSIVHLFEWRWVDIALECERYLAPKGFGGVQVSPPNENVAIYNPFRPWWERYQPVSYKLCTRSGNE
DEFRNMVTRCNNVGVRIYVDAVINHMCGNAVSAGTSSTCGSYFNPGSRDFPAVPYSGWDFNDGKCKTGSGDIENYNDATQ
VRDCRLTGLLDLALEKDYVRSKIAEYMNHLIDIGVAGFRLDASKHMWPGDIKAILDKLHNLNSNWFPAGSKPFIYQEVID
LGGEPIKSSDYFGNGRVTEFKYGAKLGTVIRKWNGEKMSYLKNWGEGWGFVPSDRALVFVDNHDNQRGHGAGGASILTFW
DARLYKMAVGFMLAHPYGFTAVMSSYRWPRQFQNGNDVNDWVGPPNNNGVIKEVTINPDTTCGNDWVCEHRWRQIRNMVI
FRNVVDGQPFTNWYDNGSNQVAFGRGNRGFIVFNNDDWSFSLTLQTGLPAGTYCDVISGDKINGNCTGIKIYVSDDGKAH
FSISNSAEDPFIAIHAESKL
QYSPNTQQGRTSIVHLFEWRWVDIALECERYLAPKGFGGVQVSPPNENVAIYNPFRPWWERYQPVSYKLCTRSGNEDEFR
NMVTRCNNVGVRIYVDAVINHMCGNAVSAGTSSTCGSYFNPGSRDFPAVPYSGWDFNDGKCKTGSGDIENYNDATQVRDC
RLTGLLDLALEKDYVRSKIAEYMNHLIDIGVAGFRLDASKHMWPGDIKAILDKLHNLNSNWFPAGSKPFIYQEVIDLGGE
PIKSSDYFGNGRVTEFKYGAKLGTVIRKWNGEKMSYLKNWGEGWGFVPSDRALVFVDNHDNQRGHGAGGASILTFWDARL
YKMAVGFMLAHPYGFTAVMSSYRWPRQFQNGNDVNDWVGPPNNNGVIKEVTINPDTTCGNDWVCEHRWRQIRNMVIFRNV
VDGQPFTNWYDNGSNQVAFGRGNRGFIVFNNDDWSFSLTLQTGLPAGTYCDVISGDKINGNCTGIKIYVSDDGKAHFSIS
NSAEDPFIAIHAESKL
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
human
Homo
Pichia
sample
9606
Homo sapiens
4922
Pichia pastoris
1
2.44
49.61
VAPOR DIFFUSION, HANGING DROP
VAPOR DIFFUSION, HANGING DROP, temperature 298K
298
entity_poly
pdbx_struct_mod_residue
struct_conn
struct_ref_seq_dif
database_2
pdbx_struct_conn_angle
struct_conn
struct_ref_seq_dif
struct_site
chem_comp_atom
chem_comp_bond
pdbx_initial_refinement_model
repository
Initial release
Version format compliance
Version format compliance
Database references
Derived calculations
Polymer sequence
Database references
Derived calculations
Data collection
Refinement description
1
0
2002-01-16
1
1
2008-04-27
1
2
2011-07-13
2
0
2019-12-25
2
1
2021-10-27
2
2
2023-08-16
_entity_poly.pdbx_seq_one_letter_code_can
_pdbx_struct_mod_residue.parent_comp_id
_struct_conn.pdbx_leaving_atom_flag
_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_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
HUMAN PANCREATIC ALPHA-AMYLASE FROM PICHIA PASTORIS,
GLYCOSYLATED PROTEIN
THREE DIMENSIONAL STRUCTURE ANALYSIS OF THE R195A VARIANT
OF HUMAN PANCREATIC ALPHA AMYLASE
THREE DIMENSIONAL STRUCTURE ANALYSIS OF THE R337Q VARIANT
OF HUMAN PANCREATIC ALPHA-AMYLASE
Three Dimensional Structure Analysis of the R195Q Variant of Human
Pancreatic Alpha Amylase
RCSB
Y
RCSB
2001-11-28
REL
CA
CALCIUM ION
HOH
water
1BSI
PDB ENTRY 1BSI
PDB
experimental model
CAL
497
2
CA
CA
497
A
WAT
500
3
HOH
HOH
500
A
WAT
501
3
HOH
HOH
501
A
WAT
502
3
HOH
HOH
502
A
WAT
503
3
HOH
HOH
503
A
WAT
504
3
HOH
HOH
504
A
WAT
505
3
HOH
HOH
505
A
WAT
506
3
HOH
HOH
506
A
WAT
507
3
HOH
HOH
507
A
WAT
508
3
HOH
HOH
508
A
WAT
509
3
HOH
HOH
509
A
WAT
510
3
HOH
HOH
510
A
WAT
511
3
HOH
HOH
511
A
WAT
512
3
HOH
HOH
512
A
WAT
513
3
HOH
HOH
513
A
WAT
514
3
HOH
HOH
514
A
WAT
515
3
HOH
HOH
515
A
WAT
516
3
HOH
HOH
516
A
WAT
517
3
HOH
HOH
517
A
WAT
518
3
HOH
HOH
518
A
WAT
519
3
HOH
HOH
519
A
WAT
520
3
HOH
HOH
520
A
WAT
521
3
HOH
HOH
521
A
WAT
522
3
HOH
HOH
522
A
WAT
523
3
HOH
HOH
523
A
WAT
524
3
HOH
HOH
524
A
WAT
525
3
HOH
HOH
525
A
WAT
526
3
HOH
HOH
526
A
WAT
527
3
HOH
HOH
527
A
WAT
528
3
HOH
HOH
528
A
WAT
529
3
HOH
HOH
529
A
WAT
530
3
HOH
HOH
530
A
WAT
531
3
HOH
HOH
531
A
WAT
532
3
HOH
HOH
532
A
WAT
533
3
HOH
HOH
533
A
WAT
534
3
HOH
HOH
534
A
WAT
535
3
HOH
HOH
535
A
WAT
536
3
HOH
HOH
536
A
WAT
537
3
HOH
HOH
537
A
WAT
538
3
HOH
HOH
538
A
WAT
539
3
HOH
HOH
539
A
WAT
540
3
HOH
HOH
540
A
WAT
541
3
HOH
HOH
541
A
WAT
542
3
HOH
HOH
542
A
WAT
543
3
HOH
HOH
543
A
WAT
544
3
HOH
HOH
544
A
WAT
545
3
HOH
HOH
545
A
WAT
546
3
HOH
HOH
546
A
WAT
547
3
HOH
HOH
547
A
WAT
548
3
HOH
HOH
548
A
WAT
549
3
HOH
HOH
549
A
WAT
550
3
HOH
HOH
550
A
WAT
551
3
HOH
HOH
551
A
WAT
552
3
HOH
HOH
552
A
WAT
553
3
HOH
HOH
553
A
WAT
554
3
HOH
HOH
554
A
WAT
555
3
HOH
HOH
555
A
WAT
556
3
HOH
HOH
556
A
WAT
557
3
HOH
HOH
557
A
WAT
558
3
HOH
HOH
558
A
WAT
559
3
HOH
HOH
559
A
WAT
560
3
HOH
HOH
560
A
WAT
561
3
HOH
HOH
561
A
WAT
562
3
HOH
HOH
562
A
WAT
563
3
HOH
HOH
563
A
WAT
564
3
HOH
HOH
564
A
WAT
565
3
HOH
HOH
565
A
WAT
566
3
HOH
HOH
566
A
WAT
567
3
HOH
HOH
567
A
WAT
568
3
HOH
HOH
568
A
WAT
569
3
HOH
HOH
569
A
WAT
570
3
HOH
HOH
570
A
WAT
571
3
HOH
HOH
571
A
WAT
572
3
HOH
HOH
572
A
WAT
573
3
HOH
HOH
573
A
WAT
574
3
HOH
HOH
574
A
WAT
575
3
HOH
HOH
575
A
WAT
576
3
HOH
HOH
576
A
WAT
577
3
HOH
HOH
577
A
WAT
578
3
HOH
HOH
578
A
WAT
579
3
HOH
HOH
579
A
WAT
580
3
HOH
HOH
580
A
WAT
581
3
HOH
HOH
581
A
WAT
582
3
HOH
HOH
582
A
WAT
583
3
HOH
HOH
583
A
WAT
584
3
HOH
HOH
584
A
WAT
585
3
HOH
HOH
585
A
WAT
586
3
HOH
HOH
586
A
WAT
587
3
HOH
HOH
587
A
WAT
588
3
HOH
HOH
588
A
WAT
589
3
HOH
HOH
589
A
WAT
590
3
HOH
HOH
590
A
WAT
591
3
HOH
HOH
591
A
WAT
592
3
HOH
HOH
592
A
WAT
593
3
HOH
HOH
593
A
WAT
594
3
HOH
HOH
594
A
WAT
595
3
HOH
HOH
595
A
WAT
596
3
HOH
HOH
596
A
WAT
597
3
HOH
HOH
597
A
WAT
598
3
HOH
HOH
598
A
WAT
599
3
HOH
HOH
599
A
WAT
600
3
HOH
HOH
600
A
WAT
601
3
HOH
HOH
601
A
WAT
602
3
HOH
HOH
602
A
WAT
604
3
HOH
HOH
604
A
WAT
605
3
HOH
HOH
605
A
WAT
606
3
HOH
HOH
606
A
WAT
607
3
HOH
HOH
607
A
WAT
608
3
HOH
HOH
608
A
WAT
609
3
HOH
HOH
609
A
WAT
610
3
HOH
HOH
610
A
WAT
611
3
HOH
HOH
611
A
WAT
612
3
HOH
HOH
612
A
WAT
613
3
HOH
HOH
613
A
WAT
614
3
HOH
HOH
614
A
WAT
615
3
HOH
HOH
615
A
WAT
616
3
HOH
HOH
616
A
WAT
617
3
HOH
HOH
617
A
WAT
618
3
HOH
HOH
618
A
WAT
619
3
HOH
HOH
619
A
WAT
620
3
HOH
HOH
620
A
WAT
621
3
HOH
HOH
621
A
WAT
622
3
HOH
HOH
622
A
WAT
623
3
HOH
HOH
623
A
WAT
624
3
HOH
HOH
624
A
WAT
625
3
HOH
HOH
625
A
WAT
626
3
HOH
HOH
626
A
WAT
627
3
HOH
HOH
627
A
WAT
628
3
HOH
HOH
628
A
WAT
629
3
HOH
HOH
629
A
WAT
630
3
HOH
HOH
630
A
WAT
631
3
HOH
HOH
631
A
WAT
632
3
HOH
HOH
632
A
WAT
633
3
HOH
HOH
633
A
WAT
634
3
HOH
HOH
634
A
WAT
635
3
HOH
HOH
635
A
WAT
636
3
HOH
HOH
636
A
WAT
637
3
HOH
HOH
637
A
WAT
638
3
HOH
HOH
638
A
WAT
639
3
HOH
HOH
639
A
WAT
640
3
HOH
HOH
640
A
WAT
641
3
HOH
HOH
641
A
WAT
642
3
HOH
HOH
642
A
WAT
643
3
HOH
HOH
643
A
WAT
644
3
HOH
HOH
644
A
WAT
645
3
HOH
HOH
645
A
WAT
646
3
HOH
HOH
646
A
WAT
647
3
HOH
HOH
647
A
WAT
648
3
HOH
HOH
648
A
WAT
649
3
HOH
HOH
649
A
WAT
650
3
HOH
HOH
650
A
WAT
651
3
HOH
HOH
651
A
WAT
652
3
HOH
HOH
652
A
WAT
653
3
HOH
HOH
653
A
WAT
654
3
HOH
HOH
654
A
WAT
655
3
HOH
HOH
655
A
WAT
656
3
HOH
HOH
656
A
WAT
657
3
HOH
HOH
657
A
WAT
658
3
HOH
HOH
658
A
WAT
659
3
HOH
HOH
659
A
WAT
660
3
HOH
HOH
660
A
WAT
661
3
HOH
HOH
661
A
WAT
662
3
HOH
HOH
662
A
WAT
663
3
HOH
HOH
663
A
WAT
664
3
HOH
HOH
664
A
WAT
665
3
HOH
HOH
665
A
WAT
666
3
HOH
HOH
666
A
WAT
667
3
HOH
HOH
667
A
WAT
668
3
HOH
HOH
668
A
WAT
669
3
HOH
HOH
669
A
WAT
670
3
HOH
HOH
670
A
WAT
671
3
HOH
HOH
671
A
WAT
672
3
HOH
HOH
672
A
WAT
673
3
HOH
HOH
673
A
WAT
674
3
HOH
HOH
674
A
WAT
675
3
HOH
HOH
675
A
WAT
676
3
HOH
HOH
676
A
WAT
677
3
HOH
HOH
677
A
WAT
678
3
HOH
HOH
678
A
WAT
679
3
HOH
HOH
679
A
WAT
680
3
HOH
HOH
680
A
WAT
681
3
HOH
HOH
681
A
WAT
682
3
HOH
HOH
682
A
WAT
683
3
HOH
HOH
683
A
WAT
684
3
HOH
HOH
684
A
WAT
685
3
HOH
HOH
685
A
WAT
686
3
HOH
HOH
686
A
WAT
687
3
HOH
HOH
687
A
WAT
688
3
HOH
HOH
688
A
WAT
689
3
HOH
HOH
689
A
WAT
690
3
HOH
HOH
690
A
WAT
691
3
HOH
HOH
691
A
WAT
692
3
HOH
HOH
692
A
WAT
693
3
HOH
HOH
693
A
WAT
694
3
HOH
HOH
694
A
WAT
695
3
HOH
HOH
695
A
WAT
696
3
HOH
HOH
696
A
WAT
697
3
HOH
HOH
697
A
WAT
698
3
HOH
HOH
698
A
WAT
699
3
HOH
HOH
699
A
WAT
700
3
HOH
HOH
700
A
WAT
701
3
HOH
HOH
701
A
WAT
702
3
HOH
HOH
702
A
WAT
703
3
HOH
HOH
703
A
WAT
704
3
HOH
HOH
704
A
WAT
705
3
HOH
HOH
705
A
WAT
706
3
HOH
HOH
706
A
WAT
707
3
HOH
HOH
707
A
WAT
708
3
HOH
HOH
708
A
WAT
709
3
HOH
HOH
709
A
WAT
710
3
HOH
HOH
710
A
WAT
711
3
HOH
HOH
711
A
WAT
712
3
HOH
HOH
712
A
WAT
713
3
HOH
HOH
713
A
WAT
714
3
HOH
HOH
714
A
WAT
715
3
HOH
HOH
715
A
WAT
716
3
HOH
HOH
716
A
WAT
717
3
HOH
HOH
717
A
WAT
718
3
HOH
HOH
718
A
WAT
719
3
HOH
HOH
719
A
WAT
720
3
HOH
HOH
720
A
PCA
1
n
1
PCA
1
A
TYR
2
n
2
TYR
2
A
SER
3
n
3
SER
3
A
PRO
4
n
4
PRO
4
A
ASN
5
n
5
ASN
5
A
THR
6
n
6
THR
6
A
GLN
7
n
7
GLN
7
A
GLN
8
n
8
GLN
8
A
GLY
9
n
9
GLY
9
A
ARG
10
n
10
ARG
10
A
THR
11
n
11
THR
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
ARG
20
n
20
ARG
20
A
TRP
21
n
21
TRP
21
A
VAL
22
n
22
VAL
22
A
ASP
23
n
23
ASP
23
A
ILE
24
n
24
ILE
24
A
ALA
25
n
25
ALA
25
A
LEU
26
n
26
LEU
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
TYR
31
n
31
TYR
31
A
LEU
32
n
32
LEU
32
A
ALA
33
n
33
ALA
33
A
PRO
34
n
34
PRO
34
A
LYS
35
n
35
LYS
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
VAL
42
n
42
VAL
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
ASN
48
n
48
ASN
48
A
VAL
49
n
49
VAL
49
A
ALA
50
n
50
ALA
50
A
ILE
51
n
51
ILE
51
A
TYR
52
n
52
TYR
52
A
ASN
53
n
53
ASN
53
A
PRO
54
n
54
PRO
54
A
PHE
55
n
55
PHE
55
A
ARG
56
n
56
ARG
56
A
PRO
57
n
57
PRO
57
A
TRP
58
n
58
TRP
58
A
TRP
59
n
59
TRP
59
A
GLU
60
n
60
GLU
60
A
ARG
61
n
61
ARG
61
A
TYR
62
n
62
TYR
62
A
GLN
63
n
63
GLN
63
A
PRO
64
n
64
PRO
64
A
VAL
65
n
65
VAL
65
A
SER
66
n
66
SER
66
A
TYR
67
n
67
TYR
67
A
LYS
68
n
68
LYS
68
A
LEU
69
n
69
LEU
69
A
CYS
70
n
70
CYS
70
A
THR
71
n
71
THR
71
A
ARG
72
n
72
ARG
72
A
SER
73
n
73
SER
73
A
GLY
74
n
74
GLY
74
A
ASN
75
n
75
ASN
75
A
GLU
76
n
76
GLU
76
A
ASP
77
n
77
ASP
77
A
GLU
78
n
78
GLU
78
A
PHE
79
n
79
PHE
79
A
ARG
80
n
80
ARG
80
A
ASN
81
n
81
ASN
81
A
MET
82
n
82
MET
82
A
VAL
83
n
83
VAL
83
A
THR
84
n
84
THR
84
A
ARG
85
n
85
ARG
85
A
CYS
86
n
86
CYS
86
A
ASN
87
n
87
ASN
87
A
ASN
88
n
88
ASN
88
A
VAL
89
n
89
VAL
89
A
GLY
90
n
90
GLY
90
A
VAL
91
n
91
VAL
91
A
ARG
92
n
92
ARG
92
A
ILE
93
n
93
ILE
93
A
TYR
94
n
94
TYR
94
A
VAL
95
n
95
VAL
95
A
ASP
96
n
96
ASP
96
A
ALA
97
n
97
ALA
97
A
VAL
98
n
98
VAL
98
A
ILE
99
n
99
ILE
99
A
ASN
100
n
100
ASN
100
A
HIS
101
n
101
HIS
101
A
MET
102
n
102
MET
102
A
CYS
103
n
103
CYS
103
A
GLY
104
n
104
GLY
104
A
ASN
105
n
105
ASN
105
A
ALA
106
n
106
ALA
106
A
VAL
107
n
107
VAL
107
A
SER
108
n
108
SER
108
A
ALA
109
n
109
ALA
109
A
GLY
110
n
110
GLY
110
A
THR
111
n
111
THR
111
A
SER
112
n
112
SER
112
A
SER
113
n
113
SER
113
A
THR
114
n
114
THR
114
A
CYS
115
n
115
CYS
115
A
GLY
116
n
116
GLY
116
A
SER
117
n
117
SER
117
A
TYR
118
n
118
TYR
118
A
PHE
119
n
119
PHE
119
A
ASN
120
n
120
ASN
120
A
PRO
121
n
121
PRO
121
A
GLY
122
n
122
GLY
122
A
SER
123
n
123
SER
123
A
ARG
124
n
124
ARG
124
A
ASP
125
n
125
ASP
125
A
PHE
126
n
126
PHE
126
A
PRO
127
n
127
PRO
127
A
ALA
128
n
128
ALA
128
A
VAL
129
n
129
VAL
129
A
PRO
130
n
130
PRO
130
A
TYR
131
n
131
TYR
131
A
SER
132
n
132
SER
132
A
GLY
133
n
133
GLY
133
A
TRP
134
n
134
TRP
134
A
ASP
135
n
135
ASP
135
A
PHE
136
n
136
PHE
136
A
ASN
137
n
137
ASN
137
A
ASP
138
n
138
ASP
138
A
GLY
139
n
139
GLY
139
A
LYS
140
n
140
LYS
140
A
CYS
141
n
141
CYS
141
A
LYS
142
n
142
LYS
142
A
THR
143
n
143
THR
143
A
GLY
144
n
144
GLY
144
A
SER
145
n
145
SER
145
A
GLY
146
n
146
GLY
146
A
ASP
147
n
147
ASP
147
A
ILE
148
n
148
ILE
148
A
GLU
149
n
149
GLU
149
A
ASN
150
n
150
ASN
150
A
TYR
151
n
151
TYR
151
A
ASN
152
n
152
ASN
152
A
ASP
153
n
153
ASP
153
A
ALA
154
n
154
ALA
154
A
THR
155
n
155
THR
155
A
GLN
156
n
156
GLN
156
A
VAL
157
n
157
VAL
157
A
ARG
158
n
158
ARG
158
A
ASP
159
n
159
ASP
159
A
CYS
160
n
160
CYS
160
A
ARG
161
n
161
ARG
161
A
LEU
162
n
162
LEU
162
A
THR
163
n
163
THR
163
A
GLY
164
n
164
GLY
164
A
LEU
165
n
165
LEU
165
A
LEU
166
n
166
LEU
166
A
ASP
167
n
167
ASP
167
A
LEU
168
n
168
LEU
168
A
ALA
169
n
169
ALA
169
A
LEU
170
n
170
LEU
170
A
GLU
171
n
171
GLU
171
A
LYS
172
n
172
LYS
172
A
ASP
173
n
173
ASP
173
A
TYR
174
n
174
TYR
174
A
VAL
175
n
175
VAL
175
A
ARG
176
n
176
ARG
176
A
SER
177
n
177
SER
177
A
LYS
178
n
178
LYS
178
A
ILE
179
n
179
ILE
179
A
ALA
180
n
180
ALA
180
A
GLU
181
n
181
GLU
181
A
TYR
182
n
182
TYR
182
A
MET
183
n
183
MET
183
A
ASN
184
n
184
ASN
184
A
HIS
185
n
185
HIS
185
A
LEU
186
n
186
LEU
186
A
ILE
187
n
187
ILE
187
A
ASP
188
n
188
ASP
188
A
ILE
189
n
189
ILE
189
A
GLY
190
n
190
GLY
190
A
VAL
191
n
191
VAL
191
A
ALA
192
n
192
ALA
192
A
GLY
193
n
193
GLY
193
A
PHE
194
n
194
PHE
194
A
ARG
195
n
195
ARG
195
A
LEU
196
n
196
LEU
196
A
ASP
197
n
197
ASP
197
A
ALA
198
n
198
ALA
198
A
SER
199
n
199
SER
199
A
LYS
200
n
200
LYS
200
A
HIS
201
n
201
HIS
201
A
MET
202
n
202
MET
202
A
TRP
203
n
203
TRP
203
A
PRO
204
n
204
PRO
204
A
GLY
205
n
205
GLY
205
A
ASP
206
n
206
ASP
206
A
ILE
207
n
207
ILE
207
A
LYS
208
n
208
LYS
208
A
ALA
209
n
209
ALA
209
A
ILE
210
n
210
ILE
210
A
LEU
211
n
211
LEU
211
A
ASP
212
n
212
ASP
212
A
LYS
213
n
213
LYS
213
A
LEU
214
n
214
LEU
214
A
HIS
215
n
215
HIS
215
A
ASN
216
n
216
ASN
216
A
LEU
217
n
217
LEU
217
A
ASN
218
n
218
ASN
218
A
SER
219
n
219
SER
219
A
ASN
220
n
220
ASN
220
A
TRP
221
n
221
TRP
221
A
PHE
222
n
222
PHE
222
A
PRO
223
n
223
PRO
223
A
ALA
224
n
224
ALA
224
A
GLY
225
n
225
GLY
225
A
SER
226
n
226
SER
226
A
LYS
227
n
227
LYS
227
A
PRO
228
n
228
PRO
228
A
PHE
229
n
229
PHE
229
A
ILE
230
n
230
ILE
230
A
TYR
231
n
231
TYR
231
A
GLN
232
n
232
GLN
232
A
GLU
233
n
233
GLU
233
A
VAL
234
n
234
VAL
234
A
ILE
235
n
235
ILE
235
A
ASP
236
n
236
ASP
236
A
LEU
237
n
237
LEU
237
A
GLY
238
n
238
GLY
238
A
GLY
239
n
239
GLY
239
A
GLU
240
n
240
GLU
240
A
PRO
241
n
241
PRO
241
A
ILE
242
n
242
ILE
242
A
LYS
243
n
243
LYS
243
A
SER
244
n
244
SER
244
A
SER
245
n
245
SER
245
A
ASP
246
n
246
ASP
246
A
TYR
247
n
247
TYR
247
A
PHE
248
n
248
PHE
248
A
GLY
249
n
249
GLY
249
A
ASN
250
n
250
ASN
250
A
GLY
251
n
251
GLY
251
A
ARG
252
n
252
ARG
252
A
VAL
253
n
253
VAL
253
A
THR
254
n
254
THR
254
A
GLU
255
n
255
GLU
255
A
PHE
256
n
256
PHE
256
A
LYS
257
n
257
LYS
257
A
TYR
258
n
258
TYR
258
A
GLY
259
n
259
GLY
259
A
ALA
260
n
260
ALA
260
A
LYS
261
n
261
LYS
261
A
LEU
262
n
262
LEU
262
A
GLY
263
n
263
GLY
263
A
THR
264
n
264
THR
264
A
VAL
265
n
265
VAL
265
A
ILE
266
n
266
ILE
266
A
ARG
267
n
267
ARG
267
A
LYS
268
n
268
LYS
268
A
TRP
269
n
269
TRP
269
A
ASN
270
n
270
ASN
270
A
GLY
271
n
271
GLY
271
A
GLU
272
n
272
GLU
272
A
LYS
273
n
273
LYS
273
A
MET
274
n
274
MET
274
A
SER
275
n
275
SER
275
A
TYR
276
n
276
TYR
276
A
LEU
277
n
277
LEU
277
A
LYS
278
n
278
LYS
278
A
ASN
279
n
279
ASN
279
A
TRP
280
n
280
TRP
280
A
GLY
281
n
281
GLY
281
A
GLU
282
n
282
GLU
282
A
GLY
283
n
283
GLY
283
A
TRP
284
n
284
TRP
284
A
GLY
285
n
285
GLY
285
A
PHE
286
n
286
PHE
286
A
VAL
287
n
287
VAL
287
A
PRO
288
n
288
PRO
288
A
SER
289
n
289
SER
289
A
ASP
290
n
290
ASP
290
A
ARG
291
n
291
ARG
291
A
ALA
292
n
292
ALA
292
A
LEU
293
n
293
LEU
293
A
VAL
294
n
294
VAL
294
A
PHE
295
n
295
PHE
295
A
VAL
296
n
296
VAL
296
A
ASP
297
n
297
ASP
297
A
ASN
298
n
298
ASN
298
A
HIS
299
n
299
HIS
299
A
ASP
300
n
300
ASP
300
A
ASN
301
n
301
ASN
301
A
GLN
302
n
302
GLN
302
A
ARG
303
n
303
ARG
303
A
GLY
304
n
304
GLY
304
A
HIS
305
n
305
HIS
305
A
GLY
306
n
306
GLY
306
A
ALA
307
n
307
ALA
307
A
GLY
308
n
308
GLY
308
A
GLY
309
n
309
GLY
309
A
ALA
310
n
310
ALA
310
A
SER
311
n
311
SER
311
A
ILE
312
n
312
ILE
312
A
LEU
313
n
313
LEU
313
A
THR
314
n
314
THR
314
A
PHE
315
n
315
PHE
315
A
TRP
316
n
316
TRP
316
A
ASP
317
n
317
ASP
317
A
ALA
318
n
318
ALA
318
A
ARG
319
n
319
ARG
319
A
LEU
320
n
320
LEU
320
A
TYR
321
n
321
TYR
321
A
LYS
322
n
322
LYS
322
A
MET
323
n
323
MET
323
A
ALA
324
n
324
ALA
324
A
VAL
325
n
325
VAL
325
A
GLY
326
n
326
GLY
326
A
PHE
327
n
327
PHE
327
A
MET
328
n
328
MET
328
A
LEU
329
n
329
LEU
329
A
ALA
330
n
330
ALA
330
A
HIS
331
n
331
HIS
331
A
PRO
332
n
332
PRO
332
A
TYR
333
n
333
TYR
333
A
GLY
334
n
334
GLY
334
A
PHE
335
n
335
PHE
335
A
THR
336
n
336
THR
336
A
ALA
337
n
337
ALA
337
A
VAL
338
n
338
VAL
338
A
MET
339
n
339
MET
339
A
SER
340
n
340
SER
340
A
SER
341
n
341
SER
341
A
TYR
342
n
342
TYR
342
A
ARG
343
n
343
ARG
343
A
TRP
344
n
344
TRP
344
A
PRO
345
n
345
PRO
345
A
ARG
346
n
346
ARG
346
A
GLN
347
n
347
GLN
347
A
PHE
348
n
348
PHE
348
A
GLN
349
n
349
GLN
349
A
ASN
350
n
350
ASN
350
A
GLY
351
n
351
GLY
351
A
ASN
352
n
352
ASN
352
A
ASP
353
n
353
ASP
353
A
VAL
354
n
354
VAL
354
A
ASN
355
n
355
ASN
355
A
ASP
356
n
356
ASP
356
A
TRP
357
n
357
TRP
357
A
VAL
358
n
358
VAL
358
A
GLY
359
n
359
GLY
359
A
PRO
360
n
360
PRO
360
A
PRO
361
n
361
PRO
361
A
ASN
362
n
362
ASN
362
A
ASN
363
n
363
ASN
363
A
ASN
364
n
364
ASN
364
A
GLY
365
n
365
GLY
365
A
VAL
366
n
366
VAL
366
A
ILE
367
n
367
ILE
367
A
LYS
368
n
368
LYS
368
A
GLU
369
n
369
GLU
369
A
VAL
370
n
370
VAL
370
A
THR
371
n
371
THR
371
A
ILE
372
n
372
ILE
372
A
ASN
373
n
373
ASN
373
A
PRO
374
n
374
PRO
374
A
ASP
375
n
375
ASP
375
A
THR
376
n
376
THR
376
A
THR
377
n
377
THR
377
A
CYS
378
n
378
CYS
378
A
GLY
379
n
379
GLY
379
A
ASN
380
n
380
ASN
380
A
ASP
381
n
381
ASP
381
A
TRP
382
n
382
TRP
382
A
VAL
383
n
383
VAL
383
A
CYS
384
n
384
CYS
384
A
GLU
385
n
385
GLU
385
A
HIS
386
n
386
HIS
386
A
ARG
387
n
387
ARG
387
A
TRP
388
n
388
TRP
388
A
ARG
389
n
389
ARG
389
A
GLN
390
n
390
GLN
390
A
ILE
391
n
391
ILE
391
A
ARG
392
n
392
ARG
392
A
ASN
393
n
393
ASN
393
A
MET
394
n
394
MET
394
A
VAL
395
n
395
VAL
395
A
ILE
396
n
396
ILE
396
A
PHE
397
n
397
PHE
397
A
ARG
398
n
398
ARG
398
A
ASN
399
n
399
ASN
399
A
VAL
400
n
400
VAL
400
A
VAL
401
n
401
VAL
401
A
ASP
402
n
402
ASP
402
A
GLY
403
n
403
GLY
403
A
GLN
404
n
404
GLN
404
A
PRO
405
n
405
PRO
405
A
PHE
406
n
406
PHE
406
A
THR
407
n
407
THR
407
A
ASN
408
n
408
ASN
408
A
TRP
409
n
409
TRP
409
A
TYR
410
n
410
TYR
410
A
ASP
411
n
411
ASP
411
A
ASN
412
n
412
ASN
412
A
GLY
413
n
413
GLY
413
A
SER
414
n
414
SER
414
A
ASN
415
n
415
ASN
415
A
GLN
416
n
416
GLN
416
A
VAL
417
n
417
VAL
417
A
ALA
418
n
418
ALA
418
A
PHE
419
n
419
PHE
419
A
GLY
420
n
420
GLY
420
A
ARG
421
n
421
ARG
421
A
GLY
422
n
422
GLY
422
A
ASN
423
n
423
ASN
423
A
ARG
424
n
424
ARG
424
A
GLY
425
n
425
GLY
425
A
PHE
426
n
426
PHE
426
A
ILE
427
n
427
ILE
427
A
VAL
428
n
428
VAL
428
A
PHE
429
n
429
PHE
429
A
ASN
430
n
430
ASN
430
A
ASN
431
n
431
ASN
431
A
ASP
432
n
432
ASP
432
A
ASP
433
n
433
ASP
433
A
TRP
434
n
434
TRP
434
A
SER
435
n
435
SER
435
A
PHE
436
n
436
PHE
436
A
SER
437
n
437
SER
437
A
LEU
438
n
438
LEU
438
A
THR
439
n
439
THR
439
A
LEU
440
n
440
LEU
440
A
GLN
441
n
441
GLN
441
A
THR
442
n
442
THR
442
A
GLY
443
n
443
GLY
443
A
LEU
444
n
444
LEU
444
A
PRO
445
n
445
PRO
445
A
ALA
446
n
446
ALA
446
A
GLY
447
n
447
GLY
447
A
THR
448
n
448
THR
448
A
TYR
449
n
449
TYR
449
A
CYS
450
n
450
CYS
450
A
ASP
451
n
451
ASP
451
A
VAL
452
n
452
VAL
452
A
ILE
453
n
453
ILE
453
A
SER
454
n
454
SER
454
A
GLY
455
n
455
GLY
455
A
ASP
456
n
456
ASP
456
A
LYS
457
n
457
LYS
457
A
ILE
458
n
458
ILE
458
A
ASN
459
n
459
ASN
459
A
GLY
460
n
460
GLY
460
A
ASN
461
n
461
ASN
461
A
CYS
462
n
462
CYS
462
A
THR
463
n
463
THR
463
A
GLY
464
n
464
GLY
464
A
ILE
465
n
465
ILE
465
A
LYS
466
n
466
LYS
466
A
ILE
467
n
467
ILE
467
A
TYR
468
n
468
TYR
468
A
VAL
469
n
469
VAL
469
A
SER
470
n
470
SER
470
A
ASP
471
n
471
ASP
471
A
ASP
472
n
472
ASP
472
A
GLY
473
n
473
GLY
473
A
LYS
474
n
474
LYS
474
A
ALA
475
n
475
ALA
475
A
HIS
476
n
476
HIS
476
A
PHE
477
n
477
PHE
477
A
SER
478
n
478
SER
478
A
ILE
479
n
479
ILE
479
A
SER
480
n
480
SER
480
A
ASN
481
n
481
ASN
481
A
SER
482
n
482
SER
482
A
ALA
483
n
483
ALA
483
A
GLU
484
n
484
GLU
484
A
ASP
485
n
485
ASP
485
A
PRO
486
n
486
PRO
486
A
PHE
487
n
487
PHE
487
A
ILE
488
n
488
ILE
488
A
ALA
489
n
489
ALA
489
A
ILE
490
n
490
ILE
490
A
HIS
491
n
491
HIS
491
A
ALA
492
n
492
ALA
492
A
GLU
493
n
493
GLU
493
A
SER
494
n
494
SER
494
A
LYS
495
n
495
LYS
495
A
LEU
496
n
496
LEU
496
A
author_defined_assembly
1
monomeric
A
ASN
100
A
OD1
ASN
100
1_555
A
CA
497
B
CA
CA
1_555
A
ARG
158
A
O
ARG
158
1_555
161.0
A
ASN
100
A
OD1
ASN
100
1_555
A
CA
497
B
CA
CA
1_555
A
ASP
167
A
OD1
ASP
167
1_555
83.0
A
ARG
158
A
O
ARG
158
1_555
A
CA
497
B
CA
CA
1_555
A
ASP
167
A
OD1
ASP
167
1_555
113.5
A
ASN
100
A
OD1
ASN
100
1_555
A
CA
497
B
CA
CA
1_555
A
ASP
167
A
OD2
ASP
167
1_555
126.1
A
ARG
158
A
O
ARG
158
1_555
A
CA
497
B
CA
CA
1_555
A
ASP
167
A
OD2
ASP
167
1_555
72.9
A
ASP
167
A
OD1
ASP
167
1_555
A
CA
497
B
CA
CA
1_555
A
ASP
167
A
OD2
ASP
167
1_555
49.2
A
ASN
100
A
OD1
ASN
100
1_555
A
CA
497
B
CA
CA
1_555
A
HIS
201
A
O
HIS
201
1_555
80.5
A
ARG
158
A
O
ARG
158
1_555
A
CA
497
B
CA
CA
1_555
A
HIS
201
A
O
HIS
201
1_555
80.5
A
ASP
167
A
OD1
ASP
167
1_555
A
CA
497
B
CA
CA
1_555
A
HIS
201
A
O
HIS
201
1_555
142.8
A
ASP
167
A
OD2
ASP
167
1_555
A
CA
497
B
CA
CA
1_555
A
HIS
201
A
O
HIS
201
1_555
152.4
A
ASN
100
A
OD1
ASN
100
1_555
A
CA
497
B
CA
CA
1_555
A
HOH
541
C
O
HOH
1_555
71.7
A
ARG
158
A
O
ARG
158
1_555
A
CA
497
B
CA
CA
1_555
A
HOH
541
C
O
HOH
1_555
119.6
A
ASP
167
A
OD1
ASP
167
1_555
A
CA
497
B
CA
CA
1_555
A
HOH
541
C
O
HOH
1_555
77.9
A
ASP
167
A
OD2
ASP
167
1_555
A
CA
497
B
CA
CA
1_555
A
HOH
541
C
O
HOH
1_555
74.7
A
HIS
201
A
O
HIS
201
1_555
A
CA
497
B
CA
CA
1_555
A
HOH
541
C
O
HOH
1_555
126.7
A
ASN
100
A
OD1
ASN
100
1_555
A
CA
497
B
CA
CA
1_555
A
HOH
547
C
O
HOH
1_555
100.1
A
ARG
158
A
O
ARG
158
1_555
A
CA
497
B
CA
CA
1_555
A
HOH
547
C
O
HOH
1_555
78.6
A
ASP
167
A
OD1
ASP
167
1_555
A
CA
497
B
CA
CA
1_555
A
HOH
547
C
O
HOH
1_555
68.3
A
ASP
167
A
OD2
ASP
167
1_555
A
CA
497
B
CA
CA
1_555
A
HOH
547
C
O
HOH
1_555
85.5
A
HIS
201
A
O
HIS
201
1_555
A
CA
497
B
CA
CA
1_555
A
HOH
547
C
O
HOH
1_555
82.0
A
HOH
541
C
O
HOH
1_555
A
CA
497
B
CA
CA
1_555
A
HOH
547
C
O
HOH
1_555
146.1
A
ASN
100
A
OD1
ASN
100
1_555
A
CA
497
B
CA
CA
1_555
A
HOH
598
C
O
HOH
1_555
107.1
A
ARG
158
A
O
ARG
158
1_555
A
CA
497
B
CA
CA
1_555
A
HOH
598
C
O
HOH
1_555
69.5
A
ASP
167
A
OD1
ASP
167
1_555
A
CA
497
B
CA
CA
1_555
A
HOH
598
C
O
HOH
1_555
132.6
A
ASP
167
A
OD2
ASP
167
1_555
A
CA
497
B
CA
CA
1_555
A
HOH
598
C
O
HOH
1_555
93.2
A
HIS
201
A
O
HIS
201
1_555
A
CA
497
B
CA
CA
1_555
A
HOH
598
C
O
HOH
1_555
84.3
A
HOH
541
C
O
HOH
1_555
A
CA
497
B
CA
CA
1_555
A
HOH
598
C
O
HOH
1_555
62.9
A
HOH
547
C
O
HOH
1_555
A
CA
497
B
CA
CA
1_555
A
HOH
598
C
O
HOH
1_555
147.0
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
N
VAL
14
A
N
VAL
14
A
O
GLY
39
A
O
GLY
39
A
N
VAL
40
A
N
VAL
40
A
O
ARG
92
A
O
ARG
92
A
N
VAL
95
A
N
VAL
95
A
O
GLY
193
A
O
GLY
193
A
N
PHE
194
A
N
PHE
194
A
O
PHE
229
A
O
PHE
229
A
N
GLN
232
A
N
GLN
232
A
O
ARG
252
A
O
ARG
252
A
O
VAL
253
A
O
VAL
253
A
N
LEU
293
A
N
LEU
293
A
N
VAL
294
A
N
VAL
294
A
O
PHE
335
A
O
PHE
335
A
N
VAL
338
A
N
VAL
338
A
O
ILE
13
A
O
ILE
13
A
O
CYS
103
A
O
CYS
103
A
N
LEU
166
A
N
LEU
166
A
N
ASN
363
A
N
ASN
363
A
O
VAL
366
A
O
VAL
366
A
N
TYR
410
A
N
TYR
410
A
O
ALA
418
A
O
ALA
418
A
N
ARG
421
A
N
ARG
421
A
O
GLY
425
A
O
GLY
425
A
N
VAL
428
A
N
VAL
428
A
O
ILE
488
A
O
ILE
488
A
N
LEU
440
A
N
LEU
440
A
O
ALA
475
A
O
ALA
475
1
A
PCA
1
12.38
1
A
TYR
31
-141.67
-57.91
1
A
PRO
54
-60.21
-167.24
1
A
MET
102
-111.96
-141.10
1
A
ASN
270
17.86
38.16
1
A
ASP
317
-107.51
57.10
1
A
PRO
345
-69.70
87.81
1
A
ASN
350
68.14
63.20
1
A
SER
414
-124.71
-113.70
1
A
ASP
433
-90.37
35.31
1
A
ASN
459
39.57
68.65
1
A
PRO
486
-72.10
35.28
20.9
0.193
0.193
0.193
2.00
10.00
36985
36985
93.0
1
ISOTROPIC
0.000
MOLECULAR REPLACEMENT
PDB ENTRY 1BSI
Engh & Huber
0.21
2.00
10.00
220
4161
1
0
3940
1.900
30.000
1KGU
44090
44090
0
0
0.071
1
19.40
3.700
93
data reduction
DENZO
data scaling
SCALEPACK
model building
X-PLOR
refinement
X-PLOR
3.851
phasing
X-PLOR
THREE DIMENSIONAL STRUCTURE ANALYSIS OF THE R337A VARIANT OF HUMAN PANCREATIC ALPHA-AMYLASE
1
N
N
2
N
N
3
N
N
A
ARG
20
A
ARG
20
HELX_P
A
TYR
31
A
TYR
31
1
1
12
A
PRO
57
A
PRO
57
HELX_P
A
GLN
63
A
GLN
63
5
2
7
A
ASN
75
A
ASN
75
HELX_P
A
VAL
89
A
VAL
89
1
3
15
A
ASN
120
A
ASN
120
HELX_P
A
ARG
124
A
ARG
124
5
4
5
A
SER
132
A
SER
132
HELX_P
A
PHE
136
A
PHE
136
5
5
5
A
ASP
153
A
ASP
153
HELX_P
A
CYS
160
A
CYS
160
1
6
8
A
LYS
172
A
LYS
172
HELX_P
A
GLY
190
A
GLY
190
1
7
19
A
ALA
198
A
ALA
198
HELX_P
A
MET
202
A
MET
202
5
8
5
A
TRP
203
A
TRP
203
HELX_P
A
ASP
212
A
ASP
212
1
9
10
A
LYS
243
A
LYS
243
HELX_P
A
PHE
248
A
PHE
248
5
10
6
A
PHE
256
A
PHE
256
HELX_P
A
ARG
267
A
ARG
267
1
11
12
A
LYS
273
A
LYS
273
HELX_P
A
TRP
280
A
TRP
280
5
12
8
A
GLY
281
A
GLY
281
HELX_P
A
GLY
285
A
GLY
285
5
13
5
A
PRO
288
A
PRO
288
HELX_P
A
ASP
290
A
ASP
290
5
14
3
A
THR
314
A
THR
314
HELX_P
A
TRP
316
A
TRP
316
5
15
3
A
ASP
317
A
ASP
317
HELX_P
A
HIS
331
A
HIS
331
1
16
15
A
CYS
384
A
CYS
384
HELX_P
A
ARG
387
A
ARG
387
5
17
4
A
TRP
388
A
TRP
388
HELX_P
A
VAL
401
A
VAL
401
1
18
14
A
GLU
493
A
GLU
493
HELX_P
A
LYS
495
A
LYS
495
5
19
3
disulf
2.030
A
CYS
28
A
SG
CYS
28
1_555
A
CYS
86
A
SG
CYS
86
1_555
disulf
2.029
A
CYS
70
A
SG
CYS
70
1_555
A
CYS
115
A
SG
CYS
115
1_555
disulf
2.032
A
CYS
141
A
SG
CYS
141
1_555
A
CYS
160
A
SG
CYS
160
1_555
disulf
2.027
A
CYS
378
A
SG
CYS
378
1_555
A
CYS
384
A
SG
CYS
384
1_555
disulf
2.028
A
CYS
450
A
SG
CYS
450
1_555
A
CYS
462
A
SG
CYS
462
1_555
covale
1.267
both
A
PCA
1
A
C
PCA
1
1_555
A
TYR
2
A
N
TYR
2
1_555
metalc
2.509
A
ASN
100
A
OD1
ASN
100
1_555
A
CA
497
B
CA
CA
1_555
metalc
2.510
A
ARG
158
A
O
ARG
158
1_555
A
CA
497
B
CA
CA
1_555
metalc
2.684
A
ASP
167
A
OD1
ASP
167
1_555
A
CA
497
B
CA
CA
1_555
metalc
2.594
A
ASP
167
A
OD2
ASP
167
1_555
A
CA
497
B
CA
CA
1_555
metalc
2.497
A
HIS
201
A
O
HIS
201
1_555
A
CA
497
B
CA
CA
1_555
metalc
2.631
A
CA
497
B
CA
CA
1_555
A
HOH
541
C
O
HOH
1_555
metalc
2.679
A
CA
497
B
CA
CA
1_555
A
HOH
547
C
O
HOH
1_555
metalc
2.667
A
CA
497
B
CA
CA
1_555
A
HOH
598
C
O
HOH
1_555
HYDROLASE
ALPHA-AMYLASE, CHLORIDE BINDING, PICHIA PASTORIS, MUTAGENESIS, CATALYSIS, PANCREATIC, ENZYME, HUMAN, HYDROLASE
A
ASN
53
A
ASN
53
1
A
PRO
54
A
PRO
54
-0.13
A
VAL
129
A
VAL
129
1
A
PRO
130
A
PRO
130
0.29
AMYP_HUMAN
UNP
1
16
P04746
QYSPNTQQGRTSIVHLFEWRWVDIALECERYLAPKGFGGVQVSPPNENVAIYNPFRPWWERYQPVSYKLCTRSGNEDEFR
NMVTRCNNVGVRIYVDAVINHMCGNAVSAGTSSTCGSYFNPGSRDFPAVPYSGWDFNDGKCKTGSGDIENYNDATQVRDC
RLTGLLDLALEKDYVRSKIAEYMNHLIDIGVAGFRLDASKHMWPGDIKAILDKLHNLNSNWFPAGSKPFIYQEVIDLGGE
PIKSSDYFGNGRVTEFKYGAKLGTVIRKWNGEKMSYLKNWGEGWGFVPSDRALVFVDNHDNQRGHGAGGASILTFWDARL
YKMAVGFMLAHPYGFTRVMSSYRWPRQFQNGNDVNDWVGPPNNNGVIKEVTINPDTTCGNDWVCEHRWRQIRNMVIFRNV
VDGQPFTNWYDNGSNQVAFGRGNRGFIVFNNDDWSFSLTLQTGLPAGTYCDVISGDKINGNCTGIKIYVSDDGKAHFSIS
NSAEDPFIAIHAESKL
16
511
1KGU
1
496
P04746
A
1
1
496
1
ARG
engineered mutation
ALA
337
1KGU
A
P04746
UNP
352
337
9
2
2
4
2
parallel
parallel
parallel
parallel
parallel
parallel
parallel
parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
SER
12
A
SER
12
A
LEU
16
A
LEU
16
A
GLY
39
A
GLY
39
A
VAL
42
A
VAL
42
A
ARG
92
A
ARG
92
A
ALA
97
A
ALA
97
A
GLY
193
A
GLY
193
A
LEU
196
A
LEU
196
A
PHE
229
A
PHE
229
A
GLN
232
A
GLN
232
A
ARG
252
A
ARG
252
A
THR
254
A
THR
254
A
ALA
292
A
ALA
292
A
VAL
294
A
VAL
294
A
PHE
335
A
PHE
335
A
SER
340
A
SER
340
A
SER
12
A
SER
12
A
LEU
16
A
LEU
16
A
HIS
101
A
HIS
101
A
GLY
104
A
GLY
104
A
LEU
165
A
LEU
165
A
ASP
167
A
ASP
167
A
ASN
362
A
ASN
362
A
ASN
363
A
ASN
363
A
VAL
366
A
VAL
366
A
ILE
367
A
ILE
367
A
PHE
406
A
PHE
406
A
ASP
411
A
ASP
411
A
GLN
416
A
GLN
416
A
ARG
421
A
ARG
421
A
GLY
425
A
GLY
425
A
ASN
430
A
ASN
430
A
PHE
487
A
PHE
487
A
HIS
491
A
HIS
491
A
PHE
436
A
PHE
436
A
GLN
441
A
GLN
441
A
LYS
474
A
LYS
474
A
ILE
479
A
ILE
479
BINDING SITE FOR RESIDUE CA A 497
A
CA
497
Software
7
A
ASN
100
A
ASN
100
7
1_555
A
ARG
158
A
ARG
158
7
1_555
A
ASP
167
A
ASP
167
7
1_555
A
HIS
201
A
HIS
201
7
1_555
A
HOH
541
C
HOH
7
1_555
A
HOH
547
C
HOH
7
1_555
A
HOH
598
C
HOH
7
1_555
19
P 21 21 21