0.025401
0.000000
0.005243
0.000000
0.020169
0.000000
0.000000
0.000000
0.011220
0.000000
0.000000
0.000000
Larson, S.B.
Day, J.
McPherson, A.
Barba De La Rosa, A.P.
Keen, N.T.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
2
90.00
101.66
90.00
39.368
49.580
91.009
C2 H3 O2 -1
59.044
ACETATE ION
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
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
N
1
N
C
N
2
N
O
N
3
N
O
N
4
N
C
N
5
N
H
N
6
N
H
N
7
N
H
N
8
N
N
N
9
S
C
N
10
N
C
N
11
N
O
N
12
N
C
N
13
N
O
N
14
N
H
N
15
N
H
N
16
N
H
N
17
N
H
N
18
N
H
N
19
N
H
N
20
N
H
N
21
N
N
N
22
S
C
N
23
N
C
N
24
N
O
N
25
N
C
N
26
N
C
N
27
N
C
N
28
N
N
N
29
N
C
N
30
N
N
N
31
N
N
N
32
N
O
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
H
N
42
N
H
N
43
N
H
N
44
N
H
N
45
N
H
N
46
N
H
N
47
N
H
N
48
N
N
N
49
S
C
N
50
N
C
N
51
N
O
N
52
N
C
N
53
N
C
N
54
N
O
N
55
N
N
N
56
N
O
N
57
N
H
N
58
N
H
N
59
N
H
N
60
N
H
N
61
N
H
N
62
N
H
N
63
N
H
N
64
N
H
N
65
N
N
N
66
S
C
N
67
N
C
N
68
N
O
N
69
N
C
N
70
N
C
N
71
N
O
N
72
N
O
N
73
N
O
N
74
N
H
N
75
N
H
N
76
N
H
N
77
N
H
N
78
N
H
N
79
N
H
N
80
N
H
N
81
N
N
N
82
R
C
N
83
N
C
N
84
N
O
N
85
N
C
N
86
N
S
N
87
N
O
N
88
N
H
N
89
N
H
N
90
N
H
N
91
N
H
N
92
N
H
N
93
N
H
N
94
N
H
N
95
N
N
N
96
S
C
N
97
N
C
N
98
N
O
N
99
N
C
N
100
N
C
N
101
N
C
N
102
N
O
N
103
N
N
N
104
N
O
N
105
N
H
N
106
N
H
N
107
N
H
N
108
N
H
N
109
N
H
N
110
N
H
N
111
N
H
N
112
N
H
N
113
N
H
N
114
N
H
N
115
N
N
N
116
S
C
N
117
N
C
N
118
N
O
N
119
N
C
N
120
N
C
N
121
N
C
N
122
N
O
N
123
N
O
N
124
N
O
N
125
N
H
N
126
N
H
N
127
N
H
N
128
N
H
N
129
N
H
N
130
N
H
N
131
N
H
N
132
N
H
N
133
N
H
N
134
N
N
N
135
N
C
N
136
N
C
N
137
N
O
N
138
N
O
N
139
N
H
N
140
N
H
N
141
N
H
N
142
N
H
N
143
N
H
N
144
N
N
N
145
S
C
N
146
N
C
N
147
N
O
N
148
N
C
Y
149
N
C
Y
150
N
N
Y
151
N
C
Y
152
N
C
Y
153
N
N
N
154
N
O
N
155
N
H
N
156
N
H
N
157
N
H
N
158
N
H
N
159
N
H
N
160
N
H
N
161
N
H
N
162
N
H
N
163
N
H
N
164
N
H
N
165
N
O
N
166
N
H
N
167
N
H
N
168
N
N
N
169
S
C
N
170
N
C
N
171
N
O
N
172
S
C
N
173
N
C
N
174
N
C
N
175
N
C
N
176
N
O
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
H
N
186
N
H
N
187
N
H
N
188
N
H
N
189
N
H
N
190
N
N
N
191
S
C
N
192
N
C
N
193
N
O
N
194
N
C
N
195
N
C
N
196
N
C
N
197
N
C
N
198
N
O
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
H
N
208
N
H
N
209
N
H
N
210
N
H
N
211
N
H
N
212
N
N
N
213
S
C
N
214
N
C
N
215
N
O
N
216
N
C
N
217
N
C
N
218
N
C
N
219
N
C
N
220
N
N
N
221
N
O
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
H
N
233
N
H
N
234
N
H
N
235
N
H
N
236
N
H
N
237
N
N
N
238
S
C
N
239
N
C
N
240
N
O
N
241
N
C
N
242
N
C
N
243
N
S
N
244
N
C
N
245
N
O
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
H
N
253
N
H
N
254
N
H
N
255
N
H
N
256
N
H
N
257
N
N
N
258
S
C
N
259
N
C
N
260
N
O
N
261
N
C
Y
262
N
C
Y
263
N
C
Y
264
N
C
Y
265
N
C
Y
266
N
C
Y
267
N
C
N
268
N
O
N
269
N
H
N
270
N
H
N
271
N
H
N
272
N
H
N
273
N
H
N
274
N
H
N
275
N
H
N
276
N
H
N
277
N
H
N
278
N
H
N
279
N
H
N
280
N
N
N
281
S
C
N
282
N
C
N
283
N
O
N
284
N
C
N
285
N
C
N
286
N
C
N
287
N
O
N
288
N
H
N
289
N
H
N
290
N
H
N
291
N
H
N
292
N
H
N
293
N
H
N
294
N
H
N
295
N
H
N
296
N
H
N
297
N
N
N
298
S
C
N
299
N
C
N
300
N
O
N
301
N
C
N
302
N
O
N
303
N
O
N
304
N
H
N
305
N
H
N
306
N
H
N
307
N
H
N
308
N
H
N
309
N
H
N
310
N
H
N
311
N
N
N
312
S
C
N
313
N
C
N
314
N
O
N
315
R
C
N
316
N
O
N
317
N
C
N
318
N
O
N
319
N
H
N
320
N
H
N
321
N
H
N
322
N
H
N
323
N
H
N
324
N
H
N
325
N
H
N
326
N
H
N
327
N
H
N
328
N
N
N
329
S
C
N
330
N
C
N
331
N
O
N
332
N
C
Y
333
N
C
Y
334
N
C
Y
335
N
C
Y
336
N
N
Y
337
N
C
Y
338
N
C
Y
339
N
C
Y
340
N
C
Y
341
N
C
N
342
N
O
N
343
N
H
N
344
N
H
N
345
N
H
N
346
N
H
N
347
N
H
N
348
N
H
N
349
N
H
N
350
N
H
N
351
N
H
N
352
N
H
N
353
N
H
N
354
N
H
N
355
N
N
N
356
S
C
N
357
N
C
N
358
N
O
N
359
N
C
Y
360
N
C
Y
361
N
C
Y
362
N
C
Y
363
N
C
Y
364
N
C
Y
365
N
C
N
366
N
O
N
367
N
O
N
368
N
H
N
369
N
H
N
370
N
H
N
371
N
H
N
372
N
H
N
373
N
H
N
374
N
H
N
375
N
H
N
376
N
H
N
377
N
H
N
378
N
H
N
379
N
N
N
380
S
C
N
381
N
C
N
382
N
O
N
383
N
C
N
384
N
C
N
385
N
C
N
386
N
O
N
387
N
H
N
388
N
H
N
389
N
H
N
390
N
H
N
391
N
H
N
392
N
H
N
393
N
H
N
394
N
H
N
395
N
H
N
396
N
H
N
397
N
H
N
1
N
doub
N
2
N
sing
N
3
N
sing
N
4
N
sing
N
5
N
sing
N
6
N
sing
N
7
N
sing
N
8
N
sing
N
9
N
sing
N
10
N
sing
N
11
N
sing
N
12
N
sing
N
13
N
doub
N
14
N
sing
N
15
N
sing
N
16
N
sing
N
17
N
sing
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
doub
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
sing
N
34
N
sing
N
35
N
sing
N
36
N
sing
N
37
N
sing
N
38
N
sing
N
39
N
doub
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
doub
N
52
N
sing
N
53
N
sing
N
54
N
sing
N
55
N
sing
N
56
N
doub
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
sing
N
65
N
sing
N
66
N
sing
N
67
N
doub
N
68
N
sing
N
69
N
sing
N
70
N
sing
N
71
N
sing
N
72
N
doub
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
sing
N
81
N
sing
N
82
N
doub
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
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
doub
N
104
N
sing
N
105
N
sing
N
106
N
sing
N
107
N
sing
N
108
N
sing
N
109
N
sing
N
110
N
sing
N
111
N
sing
N
112
N
sing
N
113
N
sing
N
114
N
doub
N
115
N
sing
N
116
N
sing
N
117
N
sing
N
118
N
sing
N
119
N
sing
N
120
N
sing
N
121
N
sing
N
122
N
doub
N
123
N
sing
N
124
N
sing
N
125
N
sing
N
126
N
sing
N
127
N
sing
N
128
N
sing
N
129
N
sing
N
130
N
sing
N
131
N
sing
N
132
N
doub
N
133
N
sing
N
134
N
sing
N
135
N
sing
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
N
140
N
sing
N
141
N
doub
N
142
N
sing
N
143
N
sing
N
144
N
sing
N
145
N
sing
Y
146
N
sing
Y
147
N
doub
Y
148
N
doub
N
149
N
sing
Y
150
N
sing
N
151
N
sing
Y
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
sing
N
159
N
sing
N
160
N
sing
N
161
N
sing
N
162
N
sing
N
163
N
sing
N
164
N
doub
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
sing
N
180
N
sing
N
181
N
sing
N
182
N
sing
N
183
N
sing
N
184
N
sing
N
185
N
doub
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
sing
N
201
N
sing
N
202
N
sing
N
203
N
sing
N
204
N
sing
N
205
N
sing
N
206
N
doub
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
sing
N
225
N
sing
N
226
N
sing
N
227
N
sing
N
228
N
sing
N
229
N
sing
N
230
N
doub
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
sing
N
251
N
sing
N
252
N
sing
N
253
N
sing
Y
254
N
doub
Y
255
N
sing
Y
256
N
sing
N
257
N
sing
Y
258
N
doub
N
259
N
sing
Y
260
N
doub
N
261
N
sing
Y
262
N
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
sing
N
267
N
sing
N
268
N
sing
N
269
N
sing
N
270
N
sing
N
271
N
sing
N
272
N
doub
N
273
N
sing
N
274
N
sing
N
275
N
sing
N
276
N
sing
N
277
N
sing
N
278
N
sing
N
279
N
sing
N
280
N
sing
N
281
N
sing
N
282
N
sing
N
283
N
sing
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
sing
N
289
N
doub
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
sing
N
316
N
sing
N
317
N
sing
N
318
N
doub
N
319
N
sing
N
320
N
sing
N
321
N
sing
N
322
N
sing
Y
323
N
doub
Y
324
N
sing
Y
325
N
sing
N
326
N
sing
Y
327
N
doub
Y
328
N
sing
Y
329
N
sing
N
330
N
sing
Y
331
N
sing
Y
332
N
doub
N
333
N
sing
Y
334
N
doub
N
335
N
sing
Y
336
N
sing
N
337
N
sing
N
338
N
sing
N
339
N
sing
N
340
N
sing
N
341
N
sing
N
342
N
sing
N
343
N
sing
N
344
N
sing
N
345
N
sing
N
346
N
doub
N
347
N
sing
N
348
N
sing
N
349
N
sing
N
350
N
sing
Y
351
N
doub
Y
352
N
sing
Y
353
N
sing
N
354
N
sing
Y
355
N
doub
N
356
N
sing
Y
357
N
doub
N
358
N
sing
Y
359
N
sing
N
360
N
sing
N
361
N
sing
N
362
N
sing
N
363
N
sing
N
364
N
sing
N
365
N
sing
N
366
N
sing
N
367
N
sing
N
368
N
sing
N
369
N
sing
N
370
N
doub
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
sing
N
381
N
sing
US
Biochemistry
BICHAW
0033
0006-2960
42
8411
8422
10.1021/bi034144c
12859186
First crystallographic structure of a xylanase from glycoside hydrolase family 5: implications for catalysis.
2003
DK
Acta Crystallogr.,Sect.D
ABCRE6
0766
0907-4449
53
256
261
10.1107/S0907444996014734
Crystallization of Xylanase from Erwinia chrysanthemi: Influence of Heat and Polymeric Substrate
1997
US
Mol.Plant Microbe Interact.
0894-0282
9
651
657
Cloning and Characterization of a Xylanase Gene from Corn Strains of Erwinia chrysanthemi
1996
10.2210/pdb1nof/pdb
pdb_00001nof
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
290
1
AREA DETECTOR
1996-03-01
SDMS
SUPPER GRAPHITE
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
1.5418
ROTATING ANODE
RIGAKU RU200
42072.016
xylanase
3.2.1.8
1
man
polymer
59.044
ACETATE ION
1
syn
non-polymer
18.015
water
522
nat
water
no
no
DTVKIDANVNYQIIQGFGGMSGVGWINDLTTEQINTAYGSGVGQIGLSIMRVRIDPDSSKWNIQLPSARQAVSLGAKIMA
TPWSPPAYMKSNNSLINGGRLLPANYSAYTSHLLDFSKYMQTNGAPLYAISIQNEPDWKPDYESCEWSGDEFKSYLKSQG
SKFGSLKVIVAESLGFNPALTDPVLKDSDASKYVSIIGGHLYGTTPKPYPLAQNAGKQLWMTEHYVDSKQSANNWTSAIE
VGTELNASMVSNYSAYVWWYIRRSYGLLTEDGKVSKRGYVMSQYARFVRPGALRIQATENPQSNVHLTAYKNTDGKMVIV
AVNTNDSDQMLSLNISNANVTKFEKYSTSASLNVEYGGSSQVDSSGKATVWLNPLSVTTFVSK
DTVKIDANVNYQIIQGFGGMSGVGWINDLTTEQINTAYGSGVGQIGLSIMRVRIDPDSSKWNIQLPSARQAVSLGAKIMA
TPWSPPAYMKSNNSLINGGRLLPANYSAYTSHLLDFSKYMQTNGAPLYAISIQNEPDWKPDYESCEWSGDEFKSYLKSQG
SKFGSLKVIVAESLGFNPALTDPVLKDSDASKYVSIIGGHLYGTTPKPYPLAQNAGKQLWMTEHYVDSKQSANNWTSAIE
VGTELNASMVSNYSAYVWWYIRRSYGLLTEDGKVSKRGYVMSQYARFVRPGALRIQATENPQSNVHLTAYKNTDGKMVIV
AVNTNDSDQMLSLNISNANVTKFEKYSTSASLNVEYGGSSQVDSSGKATVWLNPLSVTTFVSK
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
Dickeya
Escherichia
sample
xynA
556
Erwinia chrysanthemi
562
Escherichia coli
DH5alpha
PLASMID
pNTK136
2
1.74
29.3
VAPOR DIFFUSION
6.5
30% PEG 4000, 0.2 M AMMONIUM ACETATE, 0.1 M SODIUM CITRATE, pH 6.5, VAPOR DIFFUSION, temperature 291K
291
software
chem_comp_atom
chem_comp_bond
database_2
struct_site
repository
Initial release
Version format compliance
Version format compliance
Derived calculations
Refinement description
Data collection
Database references
Derived calculations
1
0
2003-09-16
1
1
2008-04-29
1
2
2011-07-13
1
3
2012-02-08
1
4
2017-10-11
1
5
2024-02-14
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
RCSB
Y
RCSB
2003-01-16
REL
REL
ACT
ACETATE ION
HOH
water
THE WATER MOLECULES HAVE BEEN NUMBERED TO REFLECT THEIR STATE
1001-1292 FIRST HYDRATION SHELL, FULL OCCUPANCY
2001-2048 FIRST HYDRATION SHELL, HALF OCCUPANCY
3001-4503 FIRST HYDRATION SHELL, DISORDERED (CONFLICT
WITH DISORDERED PROTEIN OR WATER)
5001-5028 SECOND HYDRATION SHELL, FULL OCCUPANCY
6001-6060 SECOND HYDRATION SHELL, HALF OCCUPANCY
7001-7502 SECOND HYDRATION SHELL, DISORDERED (CONFLICT
WITH OTHER WATER)
THE ENZYME USED IN THIS CRYSTALLOGRAPHIC STUDY
IS A CLONE PRODUCT EXPRESSED IN E. COLI.
UPON SECRETION FROM THE BACTERIAL PERIPLASM,
THE FIRST 30 RESIDUES ARE CLEAVED FROM THE ENZYME.
THUS, THE MODEL CONTAINS ONLY RESIDUES 31 THROUGH
413.
ACT
501
2
ACT
ACT
501
A
HOH
1001
3
HOH
HOH
1001
A
HOH
1002
3
HOH
HOH
1002
A
HOH
1003
3
HOH
HOH
1003
A
HOH
1004
3
HOH
HOH
1004
A
HOH
1005
3
HOH
HOH
1005
A
HOH
1006
3
HOH
HOH
1006
A
HOH
1007
3
HOH
HOH
1007
A
HOH
1008
3
HOH
HOH
1008
A
HOH
1009
3
HOH
HOH
1009
A
HOH
1010
3
HOH
HOH
1010
A
HOH
1011
3
HOH
HOH
1011
A
HOH
1012
3
HOH
HOH
1012
A
HOH
1013
3
HOH
HOH
1013
A
HOH
1014
3
HOH
HOH
1014
A
HOH
1015
3
HOH
HOH
1015
A
HOH
1016
3
HOH
HOH
1016
A
HOH
1017
3
HOH
HOH
1017
A
HOH
1018
3
HOH
HOH
1018
A
HOH
1019
3
HOH
HOH
1019
A
HOH
1020
3
HOH
HOH
1020
A
HOH
1021
3
HOH
HOH
1021
A
HOH
1022
3
HOH
HOH
1022
A
HOH
1023
3
HOH
HOH
1023
A
HOH
1024
3
HOH
HOH
1024
A
HOH
1025
3
HOH
HOH
1025
A
HOH
1026
3
HOH
HOH
1026
A
HOH
1027
3
HOH
HOH
1027
A
HOH
1028
3
HOH
HOH
1028
A
HOH
1029
3
HOH
HOH
1029
A
HOH
1030
3
HOH
HOH
1030
A
HOH
1031
3
HOH
HOH
1031
A
HOH
1032
3
HOH
HOH
1032
A
HOH
1033
3
HOH
HOH
1033
A
HOH
1034
3
HOH
HOH
1034
A
HOH
1035
3
HOH
HOH
1035
A
HOH
1036
3
HOH
HOH
1036
A
HOH
1037
3
HOH
HOH
1037
A
HOH
1038
3
HOH
HOH
1038
A
HOH
1039
3
HOH
HOH
1039
A
HOH
1040
3
HOH
HOH
1040
A
HOH
1041
3
HOH
HOH
1041
A
HOH
1042
3
HOH
HOH
1042
A
HOH
1043
3
HOH
HOH
1043
A
HOH
1044
3
HOH
HOH
1044
A
HOH
1045
3
HOH
HOH
1045
A
HOH
1046
3
HOH
HOH
1046
A
HOH
1047
3
HOH
HOH
1047
A
HOH
1048
3
HOH
HOH
1048
A
HOH
1049
3
HOH
HOH
1049
A
HOH
1050
3
HOH
HOH
1050
A
HOH
1051
3
HOH
HOH
1051
A
HOH
1052
3
HOH
HOH
1052
A
HOH
1053
3
HOH
HOH
1053
A
HOH
1054
3
HOH
HOH
1054
A
HOH
1055
3
HOH
HOH
1055
A
HOH
1056
3
HOH
HOH
1056
A
HOH
1057
3
HOH
HOH
1057
A
HOH
1058
3
HOH
HOH
1058
A
HOH
1059
3
HOH
HOH
1059
A
HOH
1060
3
HOH
HOH
1060
A
HOH
1061
3
HOH
HOH
1061
A
HOH
1062
3
HOH
HOH
1062
A
HOH
1063
3
HOH
HOH
1063
A
HOH
1064
3
HOH
HOH
1064
A
HOH
1065
3
HOH
HOH
1065
A
HOH
1066
3
HOH
HOH
1066
A
HOH
1067
3
HOH
HOH
1067
A
HOH
1068
3
HOH
HOH
1068
A
HOH
1069
3
HOH
HOH
1069
A
HOH
1070
3
HOH
HOH
1070
A
HOH
1071
3
HOH
HOH
1071
A
HOH
1072
3
HOH
HOH
1072
A
HOH
1073
3
HOH
HOH
1073
A
HOH
1074
3
HOH
HOH
1074
A
HOH
1075
3
HOH
HOH
1075
A
HOH
1076
3
HOH
HOH
1076
A
HOH
1077
3
HOH
HOH
1077
A
HOH
1078
3
HOH
HOH
1078
A
HOH
1079
3
HOH
HOH
1079
A
HOH
1080
3
HOH
HOH
1080
A
HOH
1081
3
HOH
HOH
1081
A
HOH
1082
3
HOH
HOH
1082
A
HOH
1083
3
HOH
HOH
1083
A
HOH
1084
3
HOH
HOH
1084
A
HOH
1085
3
HOH
HOH
1085
A
HOH
1086
3
HOH
HOH
1086
A
HOH
1087
3
HOH
HOH
1087
A
HOH
1088
3
HOH
HOH
1088
A
HOH
1089
3
HOH
HOH
1089
A
HOH
1090
3
HOH
HOH
1090
A
HOH
1091
3
HOH
HOH
1091
A
HOH
1092
3
HOH
HOH
1092
A
HOH
1093
3
HOH
HOH
1093
A
HOH
1094
3
HOH
HOH
1094
A
HOH
1095
3
HOH
HOH
1095
A
HOH
1096
3
HOH
HOH
1096
A
HOH
1097
3
HOH
HOH
1097
A
HOH
1098
3
HOH
HOH
1098
A
HOH
1099
3
HOH
HOH
1099
A
HOH
1100
3
HOH
HOH
1100
A
HOH
1101
3
HOH
HOH
1101
A
HOH
1102
3
HOH
HOH
1102
A
HOH
1103
3
HOH
HOH
1103
A
HOH
1104
3
HOH
HOH
1104
A
HOH
1105
3
HOH
HOH
1105
A
HOH
1106
3
HOH
HOH
1106
A
HOH
1107
3
HOH
HOH
1107
A
HOH
1108
3
HOH
HOH
1108
A
HOH
1109
3
HOH
HOH
1109
A
HOH
1110
3
HOH
HOH
1110
A
HOH
1111
3
HOH
HOH
1111
A
HOH
1112
3
HOH
HOH
1112
A
HOH
1113
3
HOH
HOH
1113
A
HOH
1114
3
HOH
HOH
1114
A
HOH
1115
3
HOH
HOH
1115
A
HOH
1116
3
HOH
HOH
1116
A
HOH
1117
3
HOH
HOH
1117
A
HOH
1118
3
HOH
HOH
1118
A
HOH
1119
3
HOH
HOH
1119
A
HOH
1120
3
HOH
HOH
1120
A
HOH
1121
3
HOH
HOH
1121
A
HOH
1122
3
HOH
HOH
1122
A
HOH
1123
3
HOH
HOH
1123
A
HOH
1124
3
HOH
HOH
1124
A
HOH
1125
3
HOH
HOH
1125
A
HOH
1126
3
HOH
HOH
1126
A
HOH
1127
3
HOH
HOH
1127
A
HOH
1128
3
HOH
HOH
1128
A
HOH
1129
3
HOH
HOH
1129
A
HOH
1130
3
HOH
HOH
1130
A
HOH
1131
3
HOH
HOH
1131
A
HOH
1132
3
HOH
HOH
1132
A
HOH
1133
3
HOH
HOH
1133
A
HOH
1134
3
HOH
HOH
1134
A
HOH
1135
3
HOH
HOH
1135
A
HOH
1136
3
HOH
HOH
1136
A
HOH
1137
3
HOH
HOH
1137
A
HOH
1139
3
HOH
HOH
1139
A
HOH
1140
3
HOH
HOH
1140
A
HOH
1141
3
HOH
HOH
1141
A
HOH
1142
3
HOH
HOH
1142
A
HOH
1143
3
HOH
HOH
1143
A
HOH
1144
3
HOH
HOH
1144
A
HOH
1145
3
HOH
HOH
1145
A
HOH
1146
3
HOH
HOH
1146
A
HOH
1147
3
HOH
HOH
1147
A
HOH
1148
3
HOH
HOH
1148
A
HOH
1149
3
HOH
HOH
1149
A
HOH
1150
3
HOH
HOH
1150
A
HOH
1151
3
HOH
HOH
1151
A
HOH
1152
3
HOH
HOH
1152
A
HOH
1153
3
HOH
HOH
1153
A
HOH
1154
3
HOH
HOH
1154
A
HOH
1155
3
HOH
HOH
1155
A
HOH
1156
3
HOH
HOH
1156
A
HOH
1157
3
HOH
HOH
1157
A
HOH
1158
3
HOH
HOH
1158
A
HOH
1159
3
HOH
HOH
1159
A
HOH
1160
3
HOH
HOH
1160
A
HOH
1161
3
HOH
HOH
1161
A
HOH
1162
3
HOH
HOH
1162
A
HOH
1163
3
HOH
HOH
1163
A
HOH
1164
3
HOH
HOH
1164
A
HOH
1165
3
HOH
HOH
1165
A
HOH
1166
3
HOH
HOH
1166
A
HOH
1167
3
HOH
HOH
1167
A
HOH
1168
3
HOH
HOH
1168
A
HOH
1169
3
HOH
HOH
1169
A
HOH
1170
3
HOH
HOH
1170
A
HOH
1171
3
HOH
HOH
1171
A
HOH
1172
3
HOH
HOH
1172
A
HOH
1173
3
HOH
HOH
1173
A
HOH
1174
3
HOH
HOH
1174
A
HOH
1175
3
HOH
HOH
1175
A
HOH
1176
3
HOH
HOH
1176
A
HOH
1177
3
HOH
HOH
1177
A
HOH
1178
3
HOH
HOH
1178
A
HOH
1179
3
HOH
HOH
1179
A
HOH
1180
3
HOH
HOH
1180
A
HOH
1181
3
HOH
HOH
1181
A
HOH
1182
3
HOH
HOH
1182
A
HOH
1183
3
HOH
HOH
1183
A
HOH
1184
3
HOH
HOH
1184
A
HOH
1185
3
HOH
HOH
1185
A
HOH
1186
3
HOH
HOH
1186
A
HOH
1187
3
HOH
HOH
1187
A
HOH
1188
3
HOH
HOH
1188
A
HOH
1189
3
HOH
HOH
1189
A
HOH
1190
3
HOH
HOH
1190
A
HOH
1191
3
HOH
HOH
1191
A
HOH
1192
3
HOH
HOH
1192
A
HOH
1193
3
HOH
HOH
1193
A
HOH
1194
3
HOH
HOH
1194
A
HOH
1195
3
HOH
HOH
1195
A
HOH
1196
3
HOH
HOH
1196
A
HOH
1197
3
HOH
HOH
1197
A
HOH
1198
3
HOH
HOH
1198
A
HOH
1199
3
HOH
HOH
1199
A
HOH
1200
3
HOH
HOH
1200
A
HOH
1201
3
HOH
HOH
1201
A
HOH
1202
3
HOH
HOH
1202
A
HOH
1203
3
HOH
HOH
1203
A
HOH
1204
3
HOH
HOH
1204
A
HOH
1205
3
HOH
HOH
1205
A
HOH
1206
3
HOH
HOH
1206
A
HOH
1207
3
HOH
HOH
1207
A
HOH
1208
3
HOH
HOH
1208
A
HOH
1209
3
HOH
HOH
1209
A
HOH
1210
3
HOH
HOH
1210
A
HOH
1211
3
HOH
HOH
1211
A
HOH
1212
3
HOH
HOH
1212
A
HOH
1213
3
HOH
HOH
1213
A
HOH
1214
3
HOH
HOH
1214
A
HOH
1215
3
HOH
HOH
1215
A
HOH
1216
3
HOH
HOH
1216
A
HOH
1217
3
HOH
HOH
1217
A
HOH
1218
3
HOH
HOH
1218
A
HOH
1219
3
HOH
HOH
1219
A
HOH
1220
3
HOH
HOH
1220
A
HOH
1221
3
HOH
HOH
1221
A
HOH
1222
3
HOH
HOH
1222
A
HOH
1223
3
HOH
HOH
1223
A
HOH
1224
3
HOH
HOH
1224
A
HOH
1225
3
HOH
HOH
1225
A
HOH
1226
3
HOH
HOH
1226
A
HOH
1227
3
HOH
HOH
1227
A
HOH
1228
3
HOH
HOH
1228
A
HOH
1229
3
HOH
HOH
1229
A
HOH
1230
3
HOH
HOH
1230
A
HOH
1231
3
HOH
HOH
1231
A
HOH
1232
3
HOH
HOH
1232
A
HOH
1233
3
HOH
HOH
1233
A
HOH
1234
3
HOH
HOH
1234
A
HOH
1235
3
HOH
HOH
1235
A
HOH
1236
3
HOH
HOH
1236
A
HOH
1237
3
HOH
HOH
1237
A
HOH
1238
3
HOH
HOH
1238
A
HOH
1239
3
HOH
HOH
1239
A
HOH
1240
3
HOH
HOH
1240
A
HOH
1241
3
HOH
HOH
1241
A
HOH
1242
3
HOH
HOH
1242
A
HOH
1243
3
HOH
HOH
1243
A
HOH
1244
3
HOH
HOH
1244
A
HOH
1245
3
HOH
HOH
1245
A
HOH
1246
3
HOH
HOH
1246
A
HOH
1247
3
HOH
HOH
1247
A
HOH
1248
3
HOH
HOH
1248
A
HOH
1249
3
HOH
HOH
1249
A
HOH
1250
3
HOH
HOH
1250
A
HOH
1251
3
HOH
HOH
1251
A
HOH
1252
3
HOH
HOH
1252
A
HOH
1253
3
HOH
HOH
1253
A
HOH
1254
3
HOH
HOH
1254
A
HOH
1255
3
HOH
HOH
1255
A
HOH
1256
3
HOH
HOH
1256
A
HOH
1257
3
HOH
HOH
1257
A
HOH
1258
3
HOH
HOH
1258
A
HOH
1259
3
HOH
HOH
1259
A
HOH
1260
3
HOH
HOH
1260
A
HOH
1261
3
HOH
HOH
1261
A
HOH
1262
3
HOH
HOH
1262
A
HOH
1263
3
HOH
HOH
1263
A
HOH
1264
3
HOH
HOH
1264
A
HOH
1265
3
HOH
HOH
1265
A
HOH
1266
3
HOH
HOH
1266
A
HOH
1267
3
HOH
HOH
1267
A
HOH
1268
3
HOH
HOH
1268
A
HOH
1269
3
HOH
HOH
1269
A
HOH
1270
3
HOH
HOH
1270
A
HOH
1271
3
HOH
HOH
1271
A
HOH
1272
3
HOH
HOH
1272
A
HOH
1273
3
HOH
HOH
1273
A
HOH
1274
3
HOH
HOH
1274
A
HOH
1275
3
HOH
HOH
1275
A
HOH
1276
3
HOH
HOH
1276
A
HOH
1277
3
HOH
HOH
1277
A
HOH
1278
3
HOH
HOH
1278
A
HOH
1279
3
HOH
HOH
1279
A
HOH
1280
3
HOH
HOH
1280
A
HOH
1281
3
HOH
HOH
1281
A
HOH
1282
3
HOH
HOH
1282
A
HOH
1283
3
HOH
HOH
1283
A
HOH
1284
3
HOH
HOH
1284
A
HOH
1285
3
HOH
HOH
1285
A
HOH
1286
3
HOH
HOH
1286
A
HOH
1287
3
HOH
HOH
1287
A
HOH
1288
3
HOH
HOH
1288
A
HOH
1289
3
HOH
HOH
1289
A
HOH
1290
3
HOH
HOH
1290
A
HOH
1291
3
HOH
HOH
1291
A
HOH
1292
3
HOH
HOH
1292
A
HOH
2001
3
HOH
HOH
2001
A
HOH
2002
3
HOH
HOH
2002
A
HOH
2003
3
HOH
HOH
2003
A
HOH
2004
3
HOH
HOH
2004
A
HOH
2005
3
HOH
HOH
2005
A
HOH
2006
3
HOH
HOH
2006
A
HOH
2007
3
HOH
HOH
2007
A
HOH
2008
3
HOH
HOH
2008
A
HOH
2009
3
HOH
HOH
2009
A
HOH
2010
3
HOH
HOH
2010
A
HOH
2011
3
HOH
HOH
2011
A
HOH
2012
3
HOH
HOH
2012
A
HOH
2013
3
HOH
HOH
2013
A
HOH
2014
3
HOH
HOH
2014
A
HOH
2015
3
HOH
HOH
2015
A
HOH
2016
3
HOH
HOH
2016
A
HOH
2017
3
HOH
HOH
2017
A
HOH
2018
3
HOH
HOH
2018
A
HOH
2019
3
HOH
HOH
2019
A
HOH
2020
3
HOH
HOH
2020
A
HOH
2021
3
HOH
HOH
2021
A
HOH
2022
3
HOH
HOH
2022
A
HOH
2023
3
HOH
HOH
2023
A
HOH
2024
3
HOH
HOH
2024
A
HOH
2025
3
HOH
HOH
2025
A
HOH
2026
3
HOH
HOH
2026
A
HOH
2027
3
HOH
HOH
2027
A
HOH
2028
3
HOH
HOH
2028
A
HOH
2029
3
HOH
HOH
2029
A
HOH
2030
3
HOH
HOH
2030
A
HOH
2031
3
HOH
HOH
2031
A
HOH
2032
3
HOH
HOH
2032
A
HOH
2033
3
HOH
HOH
2033
A
HOH
2034
3
HOH
HOH
2034
A
HOH
2035
3
HOH
HOH
2035
A
HOH
2036
3
HOH
HOH
2036
A
HOH
2037
3
HOH
HOH
2037
A
HOH
2038
3
HOH
HOH
2038
A
HOH
2039
3
HOH
HOH
2039
A
HOH
2040
3
HOH
HOH
2040
A
HOH
2041
3
HOH
HOH
2041
A
HOH
2042
3
HOH
HOH
2042
A
HOH
2043
3
HOH
HOH
2043
A
HOH
2044
3
HOH
HOH
2044
A
HOH
2045
3
HOH
HOH
2045
A
HOH
2046
3
HOH
HOH
2046
A
HOH
2047
3
HOH
HOH
2047
A
HOH
2048
3
HOH
HOH
2048
A
HOH
3001
3
HOH
HOH
3001
A
HOH
3002
3
HOH
HOH
3002
A
HOH
3003
3
HOH
HOH
3003
A
HOH
3004
3
HOH
HOH
3004
A
HOH
3005
3
HOH
HOH
3005
A
HOH
3006
3
HOH
HOH
3006
A
HOH
3007
3
HOH
HOH
3007
A
HOH
3008
3
HOH
HOH
3008
A
HOH
3009
3
HOH
HOH
3009
A
HOH
3010
3
HOH
HOH
3010
A
HOH
3011
3
HOH
HOH
3011
A
HOH
3012
3
HOH
HOH
3012
A
HOH
3013
3
HOH
HOH
3013
A
HOH
3014
3
HOH
HOH
3014
A
HOH
3015
3
HOH
HOH
3015
A
HOH
3016
3
HOH
HOH
3016
A
HOH
3017
3
HOH
HOH
3017
A
HOH
3018
3
HOH
HOH
3018
A
HOH
3019
3
HOH
HOH
3019
A
HOH
3020
3
HOH
HOH
3020
A
HOH
3021
3
HOH
HOH
3021
A
HOH
3022
3
HOH
HOH
3022
A
HOH
3023
3
HOH
HOH
3023
A
HOH
3024
3
HOH
HOH
3024
A
HOH
3025
3
HOH
HOH
3025
A
HOH
3026
3
HOH
HOH
3026
A
HOH
3027
3
HOH
HOH
3027
A
HOH
3028
3
HOH
HOH
3028
A
HOH
3029
3
HOH
HOH
3029
A
HOH
3030
3
HOH
HOH
3030
A
HOH
3031
3
HOH
HOH
3031
A
HOH
3032
3
HOH
HOH
3032
A
HOH
3033
3
HOH
HOH
3033
A
HOH
3102
3
HOH
HOH
3102
A
HOH
3103
3
HOH
HOH
3103
A
HOH
3105
3
HOH
HOH
3105
A
HOH
3106
3
HOH
HOH
3106
A
HOH
3107
3
HOH
HOH
3107
A
HOH
3108
3
HOH
HOH
3108
A
HOH
3115
3
HOH
HOH
3115
A
HOH
3119
3
HOH
HOH
3119
A
HOH
3501
3
HOH
HOH
3501
A
HOH
3502
3
HOH
HOH
3502
A
HOH
3503
3
HOH
HOH
3503
A
HOH
3504
3
HOH
HOH
3504
A
HOH
3505
3
HOH
HOH
3505
A
HOH
3506
3
HOH
HOH
3506
A
HOH
3507
3
HOH
HOH
3507
A
HOH
3508
3
HOH
HOH
3508
A
HOH
3509
3
HOH
HOH
3509
A
HOH
3510
3
HOH
HOH
3510
A
HOH
3511
3
HOH
HOH
3511
A
HOH
3512
3
HOH
HOH
3512
A
HOH
3513
3
HOH
HOH
3513
A
HOH
3514
3
HOH
HOH
3514
A
HOH
3515
3
HOH
HOH
3515
A
HOH
3516
3
HOH
HOH
3516
A
HOH
3517
3
HOH
HOH
3517
A
HOH
3518
3
HOH
HOH
3518
A
HOH
3519
3
HOH
HOH
3519
A
HOH
3520
3
HOH
HOH
3520
A
HOH
3521
3
HOH
HOH
3521
A
HOH
3522
3
HOH
HOH
3522
A
HOH
3523
3
HOH
HOH
3523
A
HOH
3524
3
HOH
HOH
3524
A
HOH
3525
3
HOH
HOH
3525
A
HOH
3526
3
HOH
HOH
3526
A
HOH
3527
3
HOH
HOH
3527
A
HOH
3528
3
HOH
HOH
3528
A
HOH
3529
3
HOH
HOH
3529
A
HOH
3530
3
HOH
HOH
3530
A
HOH
3531
3
HOH
HOH
3531
A
HOH
3532
3
HOH
HOH
3532
A
HOH
3533
3
HOH
HOH
3533
A
HOH
3601
3
HOH
HOH
3601
A
HOH
3608
3
HOH
HOH
3608
A
HOH
3609
3
HOH
HOH
3609
A
HOH
3615
3
HOH
HOH
3615
A
HOH
4001
3
HOH
HOH
4001
A
HOH
4002
3
HOH
HOH
4002
A
HOH
4003
3
HOH
HOH
4003
A
HOH
4004
3
HOH
HOH
4004
A
HOH
4005
3
HOH
HOH
4005
A
HOH
4006
3
HOH
HOH
4006
A
HOH
4007
3
HOH
HOH
4007
A
HOH
4008
3
HOH
HOH
4008
A
HOH
4009
3
HOH
HOH
4009
A
HOH
4010
3
HOH
HOH
4010
A
HOH
4501
3
HOH
HOH
4501
A
HOH
4502
3
HOH
HOH
4502
A
HOH
4503
3
HOH
HOH
4503
A
HOH
5001
3
HOH
HOH
5001
A
HOH
5002
3
HOH
HOH
5002
A
HOH
5003
3
HOH
HOH
5003
A
HOH
5004
3
HOH
HOH
5004
A
HOH
5005
3
HOH
HOH
5005
A
HOH
5006
3
HOH
HOH
5006
A
HOH
5007
3
HOH
HOH
5007
A
HOH
5008
3
HOH
HOH
5008
A
HOH
5009
3
HOH
HOH
5009
A
HOH
5010
3
HOH
HOH
5010
A
HOH
5011
3
HOH
HOH
5011
A
HOH
5012
3
HOH
HOH
5012
A
HOH
5013
3
HOH
HOH
5013
A
HOH
5014
3
HOH
HOH
5014
A
HOH
5015
3
HOH
HOH
5015
A
HOH
5016
3
HOH
HOH
5016
A
HOH
5017
3
HOH
HOH
5017
A
HOH
5018
3
HOH
HOH
5018
A
HOH
5019
3
HOH
HOH
5019
A
HOH
5020
3
HOH
HOH
5020
A
HOH
5021
3
HOH
HOH
5021
A
HOH
5022
3
HOH
HOH
5022
A
HOH
5023
3
HOH
HOH
5023
A
HOH
5024
3
HOH
HOH
5024
A
HOH
5025
3
HOH
HOH
5025
A
HOH
5026
3
HOH
HOH
5026
A
HOH
5027
3
HOH
HOH
5027
A
HOH
5028
3
HOH
HOH
5028
A
HOH
6001
3
HOH
HOH
6001
A
HOH
6002
3
HOH
HOH
6002
A
HOH
6003
3
HOH
HOH
6003
A
HOH
6004
3
HOH
HOH
6004
A
HOH
6005
3
HOH
HOH
6005
A
HOH
6006
3
HOH
HOH
6006
A
HOH
6007
3
HOH
HOH
6007
A
HOH
6008
3
HOH
HOH
6008
A
HOH
6009
3
HOH
HOH
6009
A
HOH
6010
3
HOH
HOH
6010
A
HOH
6011
3
HOH
HOH
6011
A
HOH
6012
3
HOH
HOH
6012
A
HOH
6013
3
HOH
HOH
6013
A
HOH
6014
3
HOH
HOH
6014
A
HOH
6015
3
HOH
HOH
6015
A
HOH
6016
3
HOH
HOH
6016
A
HOH
6017
3
HOH
HOH
6017
A
HOH
6018
3
HOH
HOH
6018
A
HOH
6019
3
HOH
HOH
6019
A
HOH
6020
3
HOH
HOH
6020
A
HOH
6021
3
HOH
HOH
6021
A
HOH
6022
3
HOH
HOH
6022
A
HOH
6023
3
HOH
HOH
6023
A
HOH
6024
3
HOH
HOH
6024
A
HOH
6025
3
HOH
HOH
6025
A
HOH
6026
3
HOH
HOH
6026
A
HOH
6027
3
HOH
HOH
6027
A
HOH
6028
3
HOH
HOH
6028
A
HOH
6029
3
HOH
HOH
6029
A
HOH
6030
3
HOH
HOH
6030
A
HOH
6031
3
HOH
HOH
6031
A
HOH
6032
3
HOH
HOH
6032
A
HOH
6033
3
HOH
HOH
6033
A
HOH
6034
3
HOH
HOH
6034
A
HOH
6035
3
HOH
HOH
6035
A
HOH
6036
3
HOH
HOH
6036
A
HOH
6037
3
HOH
HOH
6037
A
HOH
6038
3
HOH
HOH
6038
A
HOH
6039
3
HOH
HOH
6039
A
HOH
6040
3
HOH
HOH
6040
A
HOH
6041
3
HOH
HOH
6041
A
HOH
6042
3
HOH
HOH
6042
A
HOH
6043
3
HOH
HOH
6043
A
HOH
6044
3
HOH
HOH
6044
A
HOH
6045
3
HOH
HOH
6045
A
HOH
6046
3
HOH
HOH
6046
A
HOH
6047
3
HOH
HOH
6047
A
HOH
6048
3
HOH
HOH
6048
A
HOH
6049
3
HOH
HOH
6049
A
HOH
6050
3
HOH
HOH
6050
A
HOH
6051
3
HOH
HOH
6051
A
HOH
6052
3
HOH
HOH
6052
A
HOH
6053
3
HOH
HOH
6053
A
HOH
6054
3
HOH
HOH
6054
A
HOH
6055
3
HOH
HOH
6055
A
HOH
6056
3
HOH
HOH
6056
A
HOH
6057
3
HOH
HOH
6057
A
HOH
6058
3
HOH
HOH
6058
A
HOH
6059
3
HOH
HOH
6059
A
HOH
6060
3
HOH
HOH
6060
A
HOH
7001
3
HOH
HOH
7001
A
HOH
7002
3
HOH
HOH
7002
A
HOH
7501
3
HOH
HOH
7501
A
HOH
7502
3
HOH
HOH
7502
A
ASP
31
n
1
ASP
31
A
THR
32
n
2
THR
32
A
VAL
33
n
3
VAL
33
A
LYS
34
n
4
LYS
34
A
ILE
35
n
5
ILE
35
A
ASP
36
n
6
ASP
36
A
ALA
37
n
7
ALA
37
A
ASN
38
n
8
ASN
38
A
VAL
39
n
9
VAL
39
A
ASN
40
n
10
ASN
40
A
TYR
41
n
11
TYR
41
A
GLN
42
n
12
GLN
42
A
ILE
43
n
13
ILE
43
A
ILE
44
n
14
ILE
44
A
GLN
45
n
15
GLN
45
A
GLY
46
n
16
GLY
46
A
PHE
47
n
17
PHE
47
A
GLY
48
n
18
GLY
48
A
GLY
49
n
19
GLY
49
A
MET
50
n
20
MET
50
A
SER
51
n
21
SER
51
A
GLY
52
n
22
GLY
52
A
VAL
53
n
23
VAL
53
A
GLY
54
n
24
GLY
54
A
TRP
55
n
25
TRP
55
A
ILE
56
n
26
ILE
56
A
ASN
57
n
27
ASN
57
A
ASP
58
n
28
ASP
58
A
LEU
59
n
29
LEU
59
A
THR
60
n
30
THR
60
A
THR
61
n
31
THR
61
A
GLU
62
n
32
GLU
62
A
GLN
63
n
33
GLN
63
A
ILE
64
n
34
ILE
64
A
ASN
65
n
35
ASN
65
A
THR
66
n
36
THR
66
A
ALA
67
n
37
ALA
67
A
TYR
68
n
38
TYR
68
A
GLY
69
n
39
GLY
69
A
SER
70
n
40
SER
70
A
GLY
71
n
41
GLY
71
A
VAL
72
n
42
VAL
72
A
GLY
73
n
43
GLY
73
A
GLN
74
n
44
GLN
74
A
ILE
75
n
45
ILE
75
A
GLY
76
n
46
GLY
76
A
LEU
77
n
47
LEU
77
A
SER
78
n
48
SER
78
A
ILE
79
n
49
ILE
79
A
MET
80
n
50
MET
80
A
ARG
81
n
51
ARG
81
A
VAL
82
n
52
VAL
82
A
ARG
83
n
53
ARG
83
A
ILE
84
n
54
ILE
84
A
ASP
85
n
55
ASP
85
A
PRO
86
n
56
PRO
86
A
ASP
87
n
57
ASP
87
A
SER
88
n
58
SER
88
A
SER
89
n
59
SER
89
A
LYS
90
n
60
LYS
90
A
TRP
91
n
61
TRP
91
A
ASN
92
n
62
ASN
92
A
ILE
93
n
63
ILE
93
A
GLN
94
n
64
GLN
94
A
LEU
95
n
65
LEU
95
A
PRO
96
n
66
PRO
96
A
SER
97
n
67
SER
97
A
ALA
98
n
68
ALA
98
A
ARG
99
n
69
ARG
99
A
GLN
100
n
70
GLN
100
A
ALA
101
n
71
ALA
101
A
VAL
102
n
72
VAL
102
A
SER
103
n
73
SER
103
A
LEU
104
n
74
LEU
104
A
GLY
105
n
75
GLY
105
A
ALA
106
n
76
ALA
106
A
LYS
107
n
77
LYS
107
A
ILE
108
n
78
ILE
108
A
MET
109
n
79
MET
109
A
ALA
110
n
80
ALA
110
A
THR
111
n
81
THR
111
A
PRO
112
n
82
PRO
112
A
TRP
113
n
83
TRP
113
A
SER
114
n
84
SER
114
A
PRO
115
n
85
PRO
115
A
PRO
116
n
86
PRO
116
A
ALA
117
n
87
ALA
117
A
TYR
118
n
88
TYR
118
A
MET
119
n
89
MET
119
A
LYS
120
n
90
LYS
120
A
SER
121
n
91
SER
121
A
ASN
122
n
92
ASN
122
A
ASN
123
n
93
ASN
123
A
SER
124
n
94
SER
124
A
LEU
125
n
95
LEU
125
A
ILE
126
n
96
ILE
126
A
ASN
127
n
97
ASN
127
A
GLY
128
n
98
GLY
128
A
GLY
129
n
99
GLY
129
A
ARG
130
n
100
ARG
130
A
LEU
131
n
101
LEU
131
A
LEU
132
n
102
LEU
132
A
PRO
133
n
103
PRO
133
A
ALA
134
n
104
ALA
134
A
ASN
135
n
105
ASN
135
A
TYR
136
n
106
TYR
136
A
SER
137
n
107
SER
137
A
ALA
138
n
108
ALA
138
A
TYR
139
n
109
TYR
139
A
THR
140
n
110
THR
140
A
SER
141
n
111
SER
141
A
HIS
142
n
112
HIS
142
A
LEU
143
n
113
LEU
143
A
LEU
144
n
114
LEU
144
A
ASP
145
n
115
ASP
145
A
PHE
146
n
116
PHE
146
A
SER
147
n
117
SER
147
A
LYS
148
n
118
LYS
148
A
TYR
149
n
119
TYR
149
A
MET
150
n
120
MET
150
A
GLN
151
n
121
GLN
151
A
THR
152
n
122
THR
152
A
ASN
153
n
123
ASN
153
A
GLY
154
n
124
GLY
154
A
ALA
155
n
125
ALA
155
A
PRO
156
n
126
PRO
156
A
LEU
157
n
127
LEU
157
A
TYR
158
n
128
TYR
158
A
ALA
159
n
129
ALA
159
A
ILE
160
n
130
ILE
160
A
SER
161
n
131
SER
161
A
ILE
162
n
132
ILE
162
A
GLN
163
n
133
GLN
163
A
ASN
164
n
134
ASN
164
A
GLU
165
n
135
GLU
165
A
PRO
166
n
136
PRO
166
A
ASP
167
n
137
ASP
167
A
TRP
168
n
138
TRP
168
A
LYS
169
n
139
LYS
169
A
PRO
170
n
140
PRO
170
A
ASP
171
n
141
ASP
171
A
TYR
172
n
142
TYR
172
A
GLU
173
n
143
GLU
173
A
SER
174
n
144
SER
174
A
CYS
175
n
145
CYS
175
A
GLU
176
n
146
GLU
176
A
TRP
177
n
147
TRP
177
A
SER
178
n
148
SER
178
A
GLY
179
n
149
GLY
179
A
ASP
180
n
150
ASP
180
A
GLU
181
n
151
GLU
181
A
PHE
182
n
152
PHE
182
A
LYS
183
n
153
LYS
183
A
SER
184
n
154
SER
184
A
TYR
185
n
155
TYR
185
A
LEU
186
n
156
LEU
186
A
LYS
187
n
157
LYS
187
A
SER
188
n
158
SER
188
A
GLN
189
n
159
GLN
189
A
GLY
190
n
160
GLY
190
A
SER
191
n
161
SER
191
A
LYS
192
n
162
LYS
192
A
PHE
193
n
163
PHE
193
A
GLY
194
n
164
GLY
194
A
SER
195
n
165
SER
195
A
LEU
196
n
166
LEU
196
A
LYS
197
n
167
LYS
197
A
VAL
198
n
168
VAL
198
A
ILE
199
n
169
ILE
199
A
VAL
200
n
170
VAL
200
A
ALA
201
n
171
ALA
201
A
GLU
202
n
172
GLU
202
A
SER
203
n
173
SER
203
A
LEU
204
n
174
LEU
204
A
GLY
205
n
175
GLY
205
A
PHE
206
n
176
PHE
206
A
ASN
207
n
177
ASN
207
A
PRO
208
n
178
PRO
208
A
ALA
209
n
179
ALA
209
A
LEU
210
n
180
LEU
210
A
THR
211
n
181
THR
211
A
ASP
212
n
182
ASP
212
A
PRO
213
n
183
PRO
213
A
VAL
214
n
184
VAL
214
A
LEU
215
n
185
LEU
215
A
LYS
216
n
186
LYS
216
A
ASP
217
n
187
ASP
217
A
SER
218
n
188
SER
218
A
ASP
219
n
189
ASP
219
A
ALA
220
n
190
ALA
220
A
SER
221
n
191
SER
221
A
LYS
222
n
192
LYS
222
A
TYR
223
n
193
TYR
223
A
VAL
224
n
194
VAL
224
A
SER
225
n
195
SER
225
A
ILE
226
n
196
ILE
226
A
ILE
227
n
197
ILE
227
A
GLY
228
n
198
GLY
228
A
GLY
229
n
199
GLY
229
A
HIS
230
n
200
HIS
230
A
LEU
231
n
201
LEU
231
A
TYR
232
n
202
TYR
232
A
GLY
233
n
203
GLY
233
A
THR
234
n
204
THR
234
A
THR
235
n
205
THR
235
A
PRO
236
n
206
PRO
236
A
LYS
237
n
207
LYS
237
A
PRO
238
n
208
PRO
238
A
TYR
239
n
209
TYR
239
A
PRO
240
n
210
PRO
240
A
LEU
241
n
211
LEU
241
A
ALA
242
n
212
ALA
242
A
GLN
243
n
213
GLN
243
A
ASN
244
n
214
ASN
244
A
ALA
245
n
215
ALA
245
A
GLY
246
n
216
GLY
246
A
LYS
247
n
217
LYS
247
A
GLN
248
n
218
GLN
248
A
LEU
249
n
219
LEU
249
A
TRP
250
n
220
TRP
250
A
MET
251
n
221
MET
251
A
THR
252
n
222
THR
252
A
GLU
253
n
223
GLU
253
A
HIS
254
n
224
HIS
254
A
TYR
255
n
225
TYR
255
A
VAL
256
n
226
VAL
256
A
ASP
257
n
227
ASP
257
A
SER
258
n
228
SER
258
A
LYS
259
n
229
LYS
259
A
GLN
260
n
230
GLN
260
A
SER
261
n
231
SER
261
A
ALA
262
n
232
ALA
262
A
ASN
263
n
233
ASN
263
A
ASN
264
n
234
ASN
264
A
TRP
265
n
235
TRP
265
A
THR
266
n
236
THR
266
A
SER
267
n
237
SER
267
A
ALA
268
n
238
ALA
268
A
ILE
269
n
239
ILE
269
A
GLU
270
n
240
GLU
270
A
VAL
271
n
241
VAL
271
A
GLY
272
n
242
GLY
272
A
THR
273
n
243
THR
273
A
GLU
274
n
244
GLU
274
A
LEU
275
n
245
LEU
275
A
ASN
276
n
246
ASN
276
A
ALA
277
n
247
ALA
277
A
SER
278
n
248
SER
278
A
MET
279
n
249
MET
279
A
VAL
280
n
250
VAL
280
A
SER
281
n
251
SER
281
A
ASN
282
n
252
ASN
282
A
TYR
283
n
253
TYR
283
A
SER
284
n
254
SER
284
A
ALA
285
n
255
ALA
285
A
TYR
286
n
256
TYR
286
A
VAL
287
n
257
VAL
287
A
TRP
288
n
258
TRP
288
A
TRP
289
n
259
TRP
289
A
TYR
290
n
260
TYR
290
A
ILE
291
n
261
ILE
291
A
ARG
292
n
262
ARG
292
A
ARG
293
n
263
ARG
293
A
SER
294
n
264
SER
294
A
TYR
295
n
265
TYR
295
A
GLY
296
n
266
GLY
296
A
LEU
297
n
267
LEU
297
A
LEU
298
n
268
LEU
298
A
THR
299
n
269
THR
299
A
GLU
300
n
270
GLU
300
A
ASP
301
n
271
ASP
301
A
GLY
302
n
272
GLY
302
A
LYS
303
n
273
LYS
303
A
VAL
304
n
274
VAL
304
A
SER
305
n
275
SER
305
A
LYS
306
n
276
LYS
306
A
ARG
307
n
277
ARG
307
A
GLY
308
n
278
GLY
308
A
TYR
309
n
279
TYR
309
A
VAL
310
n
280
VAL
310
A
MET
311
n
281
MET
311
A
SER
312
n
282
SER
312
A
GLN
313
n
283
GLN
313
A
TYR
314
n
284
TYR
314
A
ALA
315
n
285
ALA
315
A
ARG
316
n
286
ARG
316
A
PHE
317
n
287
PHE
317
A
VAL
318
n
288
VAL
318
A
ARG
319
n
289
ARG
319
A
PRO
320
n
290
PRO
320
A
GLY
321
n
291
GLY
321
A
ALA
322
n
292
ALA
322
A
LEU
323
n
293
LEU
323
A
ARG
324
n
294
ARG
324
A
ILE
325
n
295
ILE
325
A
GLN
326
n
296
GLN
326
A
ALA
327
n
297
ALA
327
A
THR
328
n
298
THR
328
A
GLU
329
n
299
GLU
329
A
ASN
330
n
300
ASN
330
A
PRO
331
n
301
PRO
331
A
GLN
332
n
302
GLN
332
A
SER
333
n
303
SER
333
A
ASN
334
n
304
ASN
334
A
VAL
335
n
305
VAL
335
A
HIS
336
n
306
HIS
336
A
LEU
337
n
307
LEU
337
A
THR
338
n
308
THR
338
A
ALA
339
n
309
ALA
339
A
TYR
340
n
310
TYR
340
A
LYS
341
n
311
LYS
341
A
ASN
342
n
312
ASN
342
A
THR
343
n
313
THR
343
A
ASP
344
n
314
ASP
344
A
GLY
345
n
315
GLY
345
A
LYS
346
n
316
LYS
346
A
MET
347
n
317
MET
347
A
VAL
348
n
318
VAL
348
A
ILE
349
n
319
ILE
349
A
VAL
350
n
320
VAL
350
A
ALA
351
n
321
ALA
351
A
VAL
352
n
322
VAL
352
A
ASN
353
n
323
ASN
353
A
THR
354
n
324
THR
354
A
ASN
355
n
325
ASN
355
A
ASP
356
n
326
ASP
356
A
SER
357
n
327
SER
357
A
ASP
358
n
328
ASP
358
A
GLN
359
n
329
GLN
359
A
MET
360
n
330
MET
360
A
LEU
361
n
331
LEU
361
A
SER
362
n
332
SER
362
A
LEU
363
n
333
LEU
363
A
ASN
364
n
334
ASN
364
A
ILE
365
n
335
ILE
365
A
SER
366
n
336
SER
366
A
ASN
367
n
337
ASN
367
A
ALA
368
n
338
ALA
368
A
ASN
369
n
339
ASN
369
A
VAL
370
n
340
VAL
370
A
THR
371
n
341
THR
371
A
LYS
372
n
342
LYS
372
A
PHE
373
n
343
PHE
373
A
GLU
374
n
344
GLU
374
A
LYS
375
n
345
LYS
375
A
TYR
376
n
346
TYR
376
A
SER
377
n
347
SER
377
A
THR
378
n
348
THR
378
A
SER
379
n
349
SER
379
A
ALA
380
n
350
ALA
380
A
SER
381
n
351
SER
381
A
LEU
382
n
352
LEU
382
A
ASN
383
n
353
ASN
383
A
VAL
384
n
354
VAL
384
A
GLU
385
n
355
GLU
385
A
TYR
386
n
356
TYR
386
A
GLY
387
n
357
GLY
387
A
GLY
388
n
358
GLY
388
A
SER
389
n
359
SER
389
A
SER
390
n
360
SER
390
A
GLN
391
n
361
GLN
391
A
VAL
392
n
362
VAL
392
A
ASP
393
n
363
ASP
393
A
SER
394
n
364
SER
394
A
SER
395
n
365
SER
395
A
GLY
396
n
366
GLY
396
A
LYS
397
n
367
LYS
397
A
ALA
398
n
368
ALA
398
A
THR
399
n
369
THR
399
A
VAL
400
n
370
VAL
400
A
TRP
401
n
371
TRP
401
A
LEU
402
n
372
LEU
402
A
ASN
403
n
373
ASN
403
A
PRO
404
n
374
PRO
404
A
LEU
405
n
375
LEU
405
A
SER
406
n
376
SER
406
A
VAL
407
n
377
VAL
407
A
THR
408
n
378
THR
408
A
THR
409
n
379
THR
409
A
PHE
410
n
380
PHE
410
A
VAL
411
n
381
VAL
411
A
SER
412
n
382
SER
412
A
LYS
413
n
383
LYS
413
A
0.1
0.108
0.095
0.102
0.151
0.161
5090
5972
0.099
10.1
51336
author_defined_assembly
1
monomeric
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
GLU
385
A
O
GLU
355
A
N
SER
377
A
N
SER
347
A
N
TYR
376
A
N
TYR
346
A
O
THR
409
A
O
THR
379
A
O
THR
408
A
O
THR
378
A
N
ALA
351
A
N
ALA
321
A
O
VAL
352
A
O
VAL
322
A
N
HIS
336
A
N
HIS
306
A
O
ALA
339
A
O
ALA
309
A
N
ILE
325
A
N
ILE
295
A
O
GLN
326
A
O
GLN
296
A
N
ASP
36
A
N
ASP
6
A
N
ILE
35
A
N
ILE
5
A
O
SER
366
A
O
SER
336
A
N
LEU
363
A
N
LEU
333
A
O
ALA
398
A
O
ALA
368
A
N
GLY
49
A
N
GLY
19
A
O
ARG
81
A
O
ARG
51
A
N
VAL
82
A
N
VAL
52
A
O
THR
111
A
O
THR
81
A
N
ALA
110
A
N
ALA
80
A
O
SER
161
A
O
SER
131
A
N
ILE
160
A
N
ILE
130
A
O
LYS
197
A
O
LYS
167
A
N
SER
203
A
N
SER
173
A
O
HIS
230
A
O
HIS
200
A
N
ILE
227
A
N
ILE
197
A
O
GLN
248
A
O
GLN
218
A
N
LEU
249
A
N
LEU
219
A
O
SER
284
A
O
SER
254
A
O
TRP
288
A
O
TRP
258
A
N
GLY
48
A
N
GLY
18
1
4.61
0.50
120.30
124.91
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
81
81
81
N
1
-5.93
0.50
120.30
114.37
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
81
81
81
N
1
4.72
0.50
120.30
125.02
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
99
99
99
N
1
-4.32
0.50
120.30
115.98
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
130
130
130
N
1
3.76
0.60
121.00
124.76
A
A
A
CB
CG
CD1
TYR
TYR
TYR
283
283
283
N
1
4.64
0.60
121.00
125.64
A
A
A
CB
CG
CD2
TYR
TYR
TYR
286
286
286
N
1
5.13
0.50
120.30
125.43
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
316
316
316
N
1
-3.08
0.50
120.30
117.22
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
316
316
316
N
1
3.50
0.50
120.30
123.80
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
319
319
319
N
1
A
TYR
41
-115.64
-127.40
1
A
SER
78
-141.71
13.77
1
A
GLU
165
39.12
64.66
1
A
ASP
171
-89.32
34.17
1
A
ASP
257
4.55
90.79
1
A
TRP
289
-76.06
-147.54
1
A
ASP
356
-89.52
49.91
0.161
0.102
0.108
0.108
1.42
50.00
30307
5972
58915
58915
37937
10.1
90.6
RANDOM
1
FREE R THROUGHOUT
0.0
MIR
ENGH AND HUBER
MOEWS & KRETSINGER, J.MOL.BIOL.91(1973)201-228
0.07
2.0
28
2893.99
3389.15
1.42
50.00
522
3489
4
0
2963
0.010
0.028
0.000
0.029
0.060
0.060
0.018
0.003
0.056
0.136
12.67
1.42
44.57
1NOF
58915
58915
0.0
0.0
0.066
1
10.17
3.51
90.6
0.132
1.42
1.52
4.02
8061
1
1.91
55.8
phasing
SOLVE
phasing
PHASES
model building
X-PLOR
3.851
refinement
SHELXL-97
data reduction
SDMS
DETECTOR SYSTEM
data scaling
SDMS
phasing
X-PLOR
V. 3.851
THE FIRST CRYSTALLOGRAPHIC STRUCTURE OF A XYLANASE FROM GLYCOSYL HYDROLASE FAMILY 5: IMPLICATIONS FOR CATALYSIS
1
N
N
2
N
N
3
N
N
A
THR
60
A
THR
30
HELX_P
A
GLY
69
A
GLY
39
1
1
10
A
ASP
87
A
ASP
57
HELX_P
A
ILE
93
A
ILE
63
5
2
7
A
GLN
94
A
GLN
64
HELX_P
A
LEU
104
A
LEU
74
1
3
11
A
PRO
116
A
PRO
86
HELX_P
A
LYS
120
A
LYS
90
5
4
5
A
LEU
132
A
LEU
102
HELX_P
A
ALA
134
A
ALA
104
5
5
3
A
ASN
135
A
ASN
105
HELX_P
A
ASN
153
A
ASN
123
1
6
19
A
SER
178
A
SER
148
HELX_P
A
GLY
190
A
GLY
160
1
7
13
A
SER
191
A
SER
161
HELX_P
A
GLY
194
A
GLY
164
5
8
4
A
ASN
207
A
ASN
177
HELX_P
A
LEU
210
A
LEU
180
5
9
4
A
THR
211
A
THR
181
HELX_P
A
LYS
216
A
LYS
186
1
10
6
A
ASP
217
A
ASP
187
HELX_P
A
LYS
222
A
LYS
192
1
11
6
A
TYR
239
A
TYR
209
HELX_P
A
ALA
245
A
ALA
215
1
12
7
A
ASN
264
A
ASN
234
HELX_P
A
SER
281
A
SER
251
1
13
18
A
SER
305
A
SER
275
HELX_P
A
ARG
316
A
ARG
286
1
14
12
HYDROLASE
XYLANASE, GLYCOHYDROLASE FAMILY 5, CARBOHYDRATE-BINDING MODULE, CATALYTIC DOMAIN, HYDROLASE
A
VAL
200
A
VAL
170
1
A
ALA
201
A
ALA
171
-8.72
Q46961_ERWCH
UNP
1
31
Q46961
DTVKIDANVNYQIIQGFGGMSGVGWINDLTTEQINTAYGSGVGQIGLSIMRVRIDPDSSKWNIQLPSARQAVSLGAKIMA
TPWSPPAYMKSNNSLINGGRLLPANYSAYTSHLLDFSKYMQTNGAPLYAISIQNEPDWKPDYESCEWSGDEFKSYLKSQG
SKFGSLKVIVAESLGFNPALTDPVLKDSDASKYVSIIGGHLYGTTPKPYPLAQNAGKQLWMTEHYVDSKQSANNWTSAIE
VGTELNASMVSNYSAYVWWYIRRSYGLLTEDGKVSKRGYVMSQYARFVRPGALRIQATENPQSNVHLTAYKNTDGKMVIV
AVNTNDSDQMLSLNISNANVTKFEKYSTSASLNVEYGGSSQVDSSGKATVWLNPLSVTTFVSK
31
413
1NOF
31
413
Q46961
A
1
1
383
9
9
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
parallel
parallel
parallel
parallel
parallel
parallel
parallel
parallel
A
GLU
385
A
GLU
355
A
GLN
391
A
GLN
361
A
LYS
372
A
LYS
342
A
THR
378
A
THR
348
A
SER
406
A
SER
376
A
SER
412
A
SER
382
A
MET
347
A
MET
317
A
ASN
353
A
ASN
323
A
VAL
335
A
VAL
305
A
LYS
341
A
LYS
311
A
LEU
323
A
LEU
293
A
ALA
327
A
ALA
297
A
THR
32
A
THR
2
A
ILE
43
A
ILE
13
A
GLN
359
A
GLN
329
A
SER
366
A
SER
336
A
LYS
397
A
LYS
367
A
LEU
402
A
LEU
372
A
GLY
46
A
GLY
16
A
MET
50
A
MET
20
A
ILE
79
A
ILE
49
A
ARG
83
A
ARG
53
A
LYS
107
A
LYS
77
A
THR
111
A
THR
81
A
ALA
159
A
ALA
129
A
SER
161
A
SER
131
A
LYS
197
A
LYS
167
A
SER
203
A
SER
173
A
ILE
226
A
ILE
196
A
HIS
230
A
HIS
200
A
GLN
248
A
GLN
218
A
HIS
254
A
HIS
224
A
TYR
283
A
TYR
253
A
TYR
290
A
TYR
260
A
GLY
46
A
GLY
16
A
MET
50
A
MET
20
CATALYTIC ACID/BASE
Author
1
CATALYTIC NUCLEOPHILE
Author
1
BINDING SITE FOR RESIDUE ACT A 501
A
ACT
501
Software
2
A
GLU
165
A
GLU
135
1
1_555
A
GLU
253
A
GLU
223
1
1_555
A
ARG
293
A
ARG
263
2
1_555
A
TYR
295
A
TYR
265
2
1_555
4
P 1 21 1