0.027472
0.000000
0.000000
0.000000
0.014992
0.000000
0.000000
0.000000
0.009285
0.00000
0.00000
0.00000
Vitagliano, L.
Adinolfi, S.
Sica, F.
Merlino, A.
Zagari, A.
Mazzarella, L.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
90.00
90.00
36.400
66.700
107.700
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
O4 S -2
96.063
SULFATE ION
non-polymer
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C19 H24 N7 O13 P
589.407
URIDYLYL-2'-5'-PHOSPHO-GUANOSINE
PHOSPHORIC ACID-2'-[2'-DEOXY-URIDINE]ESTER-5'-GUANOSINE ESTER
non-polymer
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
N
N
75
R
C
N
76
N
C
N
77
N
O
N
78
N
C
N
79
N
S
N
80
N
O
N
81
N
H
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
N
N
89
S
C
N
90
N
C
N
91
N
O
N
92
N
C
N
93
N
C
N
94
N
C
N
95
N
O
N
96
N
N
N
97
N
O
N
98
N
H
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
N
N
109
S
C
N
110
N
C
N
111
N
O
N
112
N
C
N
113
N
C
N
114
N
C
N
115
N
O
N
116
N
O
N
117
N
O
N
118
N
H
N
119
N
H
N
120
N
H
N
121
N
H
N
122
N
H
N
123
N
H
N
124
N
H
N
125
N
H
N
126
N
H
N
127
N
N
N
128
N
C
N
129
N
C
N
130
N
O
N
131
N
O
N
132
N
H
N
133
N
H
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
N
N
138
S
C
N
139
N
C
N
140
N
O
N
141
N
C
Y
142
N
C
Y
143
N
N
Y
144
N
C
Y
145
N
C
Y
146
N
N
N
147
N
O
N
148
N
H
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
O
N
159
N
H
N
160
N
H
N
161
N
N
N
162
S
C
N
163
N
C
N
164
N
O
N
165
S
C
N
166
N
C
N
167
N
C
N
168
N
C
N
169
N
O
N
170
N
H
N
171
N
H
N
172
N
H
N
173
N
H
N
174
N
H
N
175
N
H
N
176
N
H
N
177
N
H
N
178
N
H
N
179
N
H
N
180
N
H
N
181
N
H
N
182
N
H
N
183
N
N
N
184
S
C
N
185
N
C
N
186
N
O
N
187
N
C
N
188
N
C
N
189
N
C
N
190
N
C
N
191
N
O
N
192
N
H
N
193
N
H
N
194
N
H
N
195
N
H
N
196
N
H
N
197
N
H
N
198
N
H
N
199
N
H
N
200
N
H
N
201
N
H
N
202
N
H
N
203
N
H
N
204
N
H
N
205
N
N
N
206
S
C
N
207
N
C
N
208
N
O
N
209
N
C
N
210
N
C
N
211
N
C
N
212
N
C
N
213
N
N
N
214
N
O
N
215
N
H
N
216
N
H
N
217
N
H
N
218
N
H
N
219
N
H
N
220
N
H
N
221
N
H
N
222
N
H
N
223
N
H
N
224
N
H
N
225
N
H
N
226
N
H
N
227
N
H
N
228
N
H
N
229
N
H
N
230
N
N
N
231
S
C
N
232
N
C
N
233
N
O
N
234
N
C
N
235
N
C
N
236
N
S
N
237
N
C
N
238
N
O
N
239
N
H
N
240
N
H
N
241
N
H
N
242
N
H
N
243
N
H
N
244
N
H
N
245
N
H
N
246
N
H
N
247
N
H
N
248
N
H
N
249
N
H
N
250
N
N
N
251
S
C
N
252
N
C
N
253
N
O
N
254
N
C
Y
255
N
C
Y
256
N
C
Y
257
N
C
Y
258
N
C
Y
259
N
C
Y
260
N
C
N
261
N
O
N
262
N
H
N
263
N
H
N
264
N
H
N
265
N
H
N
266
N
H
N
267
N
H
N
268
N
H
N
269
N
H
N
270
N
H
N
271
N
H
N
272
N
H
N
273
N
N
N
274
S
C
N
275
N
C
N
276
N
O
N
277
N
C
N
278
N
C
N
279
N
C
N
280
N
O
N
281
N
H
N
282
N
H
N
283
N
H
N
284
N
H
N
285
N
H
N
286
N
H
N
287
N
H
N
288
N
H
N
289
N
H
N
290
N
N
N
291
S
C
N
292
N
C
N
293
N
O
N
294
N
C
N
295
N
O
N
296
N
O
N
297
N
H
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
S
N
305
N
O
N
306
N
O
N
307
N
O
N
308
N
O
N
309
N
N
N
310
S
C
N
311
N
C
N
312
N
O
N
313
R
C
N
314
N
O
N
315
N
C
N
316
N
O
N
317
N
H
N
318
N
H
N
319
N
H
N
320
N
H
N
321
N
H
N
322
N
H
N
323
N
H
N
324
N
H
N
325
N
H
N
326
N
N
N
327
S
C
N
328
N
C
N
329
N
O
N
330
N
C
Y
331
N
C
Y
332
N
C
Y
333
N
C
Y
334
N
C
Y
335
N
C
Y
336
N
C
N
337
N
O
N
338
N
O
N
339
N
H
N
340
N
H
N
341
N
H
N
342
N
H
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
N
N
351
N
C
N
352
N
N
N
353
N
N
Y
354
N
C
Y
355
N
C
N
356
N
C
N
357
N
O
Y
358
N
N
Y
359
N
C
Y
360
N
N
N
361
R
C
N
362
R
C
N
363
N
O
N
364
S
C
N
365
N
O
N
366
R
C
N
367
N
O
N
368
N
C
N
369
N
O
N
370
S
P
N
371
N
O
N
372
N
O
N
373
N
O
N
374
N
C
N
375
R
C
N
376
N
O
N
377
R
C
N
378
N
O
N
379
R
C
N
380
N
O
N
381
R
C
N
382
N
N
N
383
N
C
N
384
N
O
N
385
N
N
N
386
N
C
N
387
N
O
N
388
N
C
N
389
N
C
N
390
N
H
N
391
N
H
N
392
N
H
N
393
N
H
N
394
N
H
N
395
N
H
N
396
N
H
N
397
N
H
N
398
N
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
409
N
H
N
410
N
H
N
411
N
H
N
412
N
H
N
413
N
H
N
414
N
N
N
415
S
C
N
416
N
C
N
417
N
O
N
418
N
C
N
419
N
C
N
420
N
C
N
421
N
O
N
422
N
H
N
423
N
H
N
424
N
H
N
425
N
H
N
426
N
H
N
427
N
H
N
428
N
H
N
429
N
H
N
430
N
H
N
431
N
H
N
432
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
doub
N
244
N
sing
N
245
N
sing
N
246
N
sing
N
247
N
sing
Y
248
N
doub
Y
249
N
sing
Y
250
N
sing
N
251
N
sing
Y
252
N
doub
N
253
N
sing
Y
254
N
doub
N
255
N
sing
Y
256
N
sing
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
sing
N
265
N
sing
N
266
N
doub
N
267
N
sing
N
268
N
sing
N
269
N
sing
N
270
N
sing
N
271
N
sing
N
272
N
sing
N
273
N
sing
N
274
N
sing
N
275
N
sing
N
276
N
sing
N
277
N
sing
N
278
N
sing
N
279
N
sing
N
280
N
sing
N
281
N
sing
N
282
N
sing
N
283
N
doub
N
284
N
sing
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
sing
N
289
N
sing
N
290
N
doub
N
291
N
doub
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
sing
N
297
N
sing
N
298
N
sing
N
299
N
sing
N
300
N
doub
N
301
N
sing
N
302
N
sing
N
303
N
sing
N
304
N
sing
N
305
N
sing
N
306
N
sing
N
307
N
sing
N
308
N
sing
N
309
N
sing
N
310
N
sing
N
311
N
sing
N
312
N
sing
N
313
N
sing
N
314
N
sing
N
315
N
sing
N
316
N
doub
N
317
N
sing
N
318
N
sing
N
319
N
sing
N
320
N
sing
Y
321
N
doub
Y
322
N
sing
Y
323
N
sing
N
324
N
sing
Y
325
N
doub
N
326
N
sing
Y
327
N
doub
N
328
N
sing
Y
329
N
sing
N
330
N
sing
N
331
N
sing
N
332
N
sing
N
333
N
sing
N
334
N
sing
N
335
N
sing
N
336
N
sing
N
337
N
sing
N
338
N
doub
N
339
N
sing
N
340
N
sing
N
341
N
sing
Y
342
N
doub
Y
343
N
sing
N
344
N
sing
Y
345
N
sing
N
346
N
doub
Y
347
N
doub
Y
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
sing
N
357
N
sing
N
358
N
sing
N
359
N
sing
N
360
N
sing
N
361
N
sing
N
362
N
sing
N
363
N
sing
N
364
N
sing
N
365
N
sing
N
366
N
sing
N
367
N
sing
N
368
N
sing
N
369
N
doub
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
sing
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
N
392
N
sing
N
393
N
doub
N
394
N
sing
N
395
N
sing
N
396
N
sing
N
397
N
doub
N
398
N
sing
N
399
N
doub
N
400
N
sing
N
401
N
sing
N
402
N
sing
N
403
N
sing
N
404
N
sing
N
405
N
sing
N
406
N
sing
N
407
N
sing
N
408
N
doub
N
409
N
sing
N
410
N
sing
N
411
N
sing
N
412
N
sing
N
413
N
sing
N
414
N
sing
N
415
N
sing
N
416
N
sing
N
417
N
sing
N
418
N
sing
N
419
N
sing
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
293
569
577
10.1006/jmbi.1999.3158
10543951
A potential allosteric subsite generated by domain swapping in bovine seminal ribonuclease.
1999
NE
J.Cryst.Growth
JCRGAE
0229
0022-0248
196
305
312
10.1016/S0022-0248(98)00860-4
Crystallization of Multiple Forms of Bovine Seminal Ribonuclease in the Liganded and Unliganded State
1999
US
Protein Sci.
PRCIEI
0795
0961-8368
7
1691
1699
10.1002/pro.5560070804
10082366
Binding of a substrate analog to a domain swapping protein: X-ray structure of the complex of bovine seminal ribonuclease with uridylyl(2',5')adenosine.
1998
NE
J.Cryst.Growth
JCRGAE
0229
0022-0248
168
192
197
10.1016/0022-0248(96)00354-5
Cosolute Effect on Crystallization of Two Dinucleotide Complexes of Bovine Seminal Ribonuclease from Concentrated Salt Solutions
1997
US
Proc.Natl.Acad.Sci.USA
PNASA6
0040
0027-8424
92
3799
3803
10.1073/pnas.92.9.3799
7731986
Swapping structural determinants of ribonucleases: an energetic analysis of the hinge peptide 16-22.
1995
DK
Acta Crystallogr.,Sect.D
ABCRE6
0766
0907-4449
49
389
402
10.1107/S0907444993003403
15299514
Bovine seminal ribonuclease: structure at 1.9 A resolution.
1993
10.2210/pdb11bg/pdb
pdb_000011bg
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
298
1
MIRRORS
IMAGE PLATE
1996-10-15
MAC Science DIP-2030
FILTER
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
ENRAF-NONIUS
COMPLEXED WITH 2',5'-UPG
13632.640
PROTEIN (BOVINE SEMINAL RIBONUCLEASE)
3.1.27.5
2
nat
polymer
96.063
SULFATE ION
8
syn
non-polymer
589.407
URIDYLYL-2'-5'-PHOSPHO-GUANOSINE
4
syn
non-polymer
18.015
water
124
nat
water
no
no
KESAAAKFERQHMDSGNSPSSSSNYCNLMMCCRKMTQGKCKPVNTFVHESLADVKAVCSQKKVTCKNGQTNCYQSKSTMR
ITDCRETGSSKYPNCAYKTTQVEKHIIVACGGKPSVPVHFDASV
KESAAAKFERQHMDSGNSPSSSSNYCNLMMCCRKMTQGKCKPVNTFVHESLADVKAVCSQKKVTCKNGQTNCYQSKSTMR
ITDCRETGSSKYPNCAYKTTQVEKHIIVACGGKPSVPVHFDASV
A,B
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
cattle
BOVINE (BOS TAURUS) SEMINAL FLUID
Bos
sample
9913
Bos taurus
1
2.40
48.68
4.8
pH 4.8
citation
citation_author
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
struct_site
repository
Initial release
Version format compliance
Version format compliance
Atomic model
Data collection
Database references
Data collection
Database references
Derived calculations
Refinement description
1
0
1999-11-05
1
1
2008-04-26
1
2
2011-07-13
1
3
2011-11-16
1
4
2019-11-06
1
5
2023-08-09
_citation.page_last
_citation.pdbx_database_id_DOI
_citation.pdbx_database_id_PubMed
_citation.title
_citation_author.name
_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
PDBE
Y
RCSB
1999-03-11
REL
SO4
SULFATE ION
U2G
URIDYLYL-2'-5'-PHOSPHO-GUANOSINE
HOH
water
1BSR
PDB
experimental model
SO4
125
2
SO4
SO4
125
A
SO4
126
2
SO4
SO4
126
A
SO4
128
2
SO4
SO4
128
A
SO4
134
2
SO4
SO4
134
A
SO4
135
2
SO4
SO4
135
A
U2G
130
3
U2G
U2G
130
A
U2G
131
3
U2G
U2G
131
A
U2G
132
3
U2G
U2G
132
A
SO4
127
2
SO4
SO4
127
B
SO4
129
2
SO4
SO4
129
B
SO4
136
2
SO4
SO4
136
B
U2G
133
3
U2G
U2G
133
B
HOH
201
4
HOH
HOH
201
A
HOH
203
4
HOH
HOH
203
A
HOH
204
4
HOH
HOH
204
A
HOH
205
4
HOH
HOH
205
A
HOH
206
4
HOH
HOH
206
A
HOH
208
4
HOH
HOH
208
A
HOH
209
4
HOH
HOH
209
A
HOH
210
4
HOH
HOH
210
A
HOH
211
4
HOH
HOH
211
A
HOH
212
4
HOH
HOH
212
A
HOH
213
4
HOH
HOH
213
A
HOH
214
4
HOH
HOH
214
A
HOH
215
4
HOH
HOH
215
A
HOH
216
4
HOH
HOH
216
A
HOH
217
4
HOH
HOH
217
A
HOH
218
4
HOH
HOH
218
A
HOH
219
4
HOH
HOH
219
A
HOH
220
4
HOH
HOH
220
A
HOH
221
4
HOH
HOH
221
A
HOH
222
4
HOH
HOH
222
A
HOH
223
4
HOH
HOH
223
A
HOH
224
4
HOH
HOH
224
A
HOH
225
4
HOH
HOH
225
A
HOH
226
4
HOH
HOH
226
A
HOH
227
4
HOH
HOH
227
A
HOH
228
4
HOH
HOH
228
A
HOH
229
4
HOH
HOH
229
A
HOH
230
4
HOH
HOH
230
A
HOH
231
4
HOH
HOH
231
A
HOH
232
4
HOH
HOH
232
A
HOH
234
4
HOH
HOH
234
A
HOH
237
4
HOH
HOH
237
A
HOH
249
4
HOH
HOH
249
A
HOH
257
4
HOH
HOH
257
A
HOH
258
4
HOH
HOH
258
A
HOH
266
4
HOH
HOH
266
A
HOH
267
4
HOH
HOH
267
A
HOH
268
4
HOH
HOH
268
A
HOH
269
4
HOH
HOH
269
A
HOH
273
4
HOH
HOH
273
A
HOH
274
4
HOH
HOH
274
A
HOH
279
4
HOH
HOH
279
A
HOH
280
4
HOH
HOH
280
A
HOH
282
4
HOH
HOH
282
A
HOH
283
4
HOH
HOH
283
A
HOH
284
4
HOH
HOH
284
A
HOH
286
4
HOH
HOH
286
A
HOH
287
4
HOH
HOH
287
A
HOH
289
4
HOH
HOH
289
A
HOH
290
4
HOH
HOH
290
A
HOH
291
4
HOH
HOH
291
A
HOH
292
4
HOH
HOH
292
A
HOH
293
4
HOH
HOH
293
A
HOH
294
4
HOH
HOH
294
A
HOH
295
4
HOH
HOH
295
A
HOH
296
4
HOH
HOH
296
A
HOH
297
4
HOH
HOH
297
A
HOH
300
4
HOH
HOH
300
A
HOH
301
4
HOH
HOH
301
A
HOH
303
4
HOH
HOH
303
A
HOH
305
4
HOH
HOH
305
A
HOH
306
4
HOH
HOH
306
A
HOH
307
4
HOH
HOH
307
A
HOH
313
4
HOH
HOH
313
A
HOH
314
4
HOH
HOH
314
A
HOH
315
4
HOH
HOH
315
A
HOH
316
4
HOH
HOH
316
A
HOH
317
4
HOH
HOH
317
A
HOH
318
4
HOH
HOH
318
A
HOH
319
4
HOH
HOH
319
A
HOH
321
4
HOH
HOH
321
A
HOH
322
4
HOH
HOH
322
A
HOH
202
4
HOH
HOH
202
B
HOH
207
4
HOH
HOH
207
B
HOH
233
4
HOH
HOH
233
B
HOH
235
4
HOH
HOH
235
B
HOH
236
4
HOH
HOH
236
B
HOH
238
4
HOH
HOH
238
B
HOH
239
4
HOH
HOH
239
B
HOH
240
4
HOH
HOH
240
B
HOH
241
4
HOH
HOH
241
B
HOH
242
4
HOH
HOH
242
B
HOH
243
4
HOH
HOH
243
B
HOH
244
4
HOH
HOH
244
B
HOH
245
4
HOH
HOH
245
B
HOH
246
4
HOH
HOH
246
B
HOH
247
4
HOH
HOH
247
B
HOH
248
4
HOH
HOH
248
B
HOH
250
4
HOH
HOH
250
B
HOH
251
4
HOH
HOH
251
B
HOH
252
4
HOH
HOH
252
B
HOH
253
4
HOH
HOH
253
B
HOH
254
4
HOH
HOH
254
B
HOH
255
4
HOH
HOH
255
B
HOH
256
4
HOH
HOH
256
B
HOH
259
4
HOH
HOH
259
B
HOH
260
4
HOH
HOH
260
B
HOH
261
4
HOH
HOH
261
B
HOH
262
4
HOH
HOH
262
B
HOH
263
4
HOH
HOH
263
B
HOH
264
4
HOH
HOH
264
B
HOH
265
4
HOH
HOH
265
B
HOH
270
4
HOH
HOH
270
B
HOH
271
4
HOH
HOH
271
B
HOH
272
4
HOH
HOH
272
B
HOH
275
4
HOH
HOH
275
B
HOH
276
4
HOH
HOH
276
B
HOH
277
4
HOH
HOH
277
B
HOH
278
4
HOH
HOH
278
B
HOH
281
4
HOH
HOH
281
B
HOH
285
4
HOH
HOH
285
B
HOH
288
4
HOH
HOH
288
B
HOH
298
4
HOH
HOH
298
B
HOH
299
4
HOH
HOH
299
B
HOH
302
4
HOH
HOH
302
B
HOH
304
4
HOH
HOH
304
B
HOH
308
4
HOH
HOH
308
B
HOH
309
4
HOH
HOH
309
B
HOH
310
4
HOH
HOH
310
B
HOH
311
4
HOH
HOH
311
B
HOH
312
4
HOH
HOH
312
B
HOH
320
4
HOH
HOH
320
B
HOH
323
4
HOH
HOH
323
B
HOH
324
4
HOH
HOH
324
B
LYS
1
n
1
LYS
1
A
GLU
2
n
2
GLU
2
A
SER
3
n
3
SER
3
A
ALA
4
n
4
ALA
4
A
ALA
5
n
5
ALA
5
A
ALA
6
n
6
ALA
6
A
LYS
7
n
7
LYS
7
A
PHE
8
n
8
PHE
8
A
GLU
9
n
9
GLU
9
A
ARG
10
n
10
ARG
10
A
GLN
11
n
11
GLN
11
A
HIS
12
n
12
HIS
12
A
MET
13
n
13
MET
13
A
ASP
14
n
14
ASP
14
A
SER
15
n
15
SER
15
A
GLY
16
n
16
GLY
16
A
ASN
17
n
17
ASN
17
A
SER
18
n
18
SER
18
A
PRO
19
n
19
PRO
19
A
SER
20
n
20
SER
20
A
SER
21
n
21
SER
21
A
SER
22
n
22
SER
22
A
SER
23
n
23
SER
23
A
ASN
24
n
24
ASN
24
A
TYR
25
n
25
TYR
25
A
CYS
26
n
26
CYS
26
A
ASN
27
n
27
ASN
27
A
LEU
28
n
28
LEU
28
A
MET
29
n
29
MET
29
A
MET
30
n
30
MET
30
A
CYS
31
n
31
CYS
31
A
CYS
32
n
32
CYS
32
A
ARG
33
n
33
ARG
33
A
LYS
34
n
34
LYS
34
A
MET
35
n
35
MET
35
A
THR
36
n
36
THR
36
A
GLN
37
n
37
GLN
37
A
GLY
38
n
38
GLY
38
A
LYS
39
n
39
LYS
39
A
CYS
40
n
40
CYS
40
A
LYS
41
n
41
LYS
41
A
PRO
42
n
42
PRO
42
A
VAL
43
n
43
VAL
43
A
ASN
44
n
44
ASN
44
A
THR
45
n
45
THR
45
A
PHE
46
n
46
PHE
46
A
VAL
47
n
47
VAL
47
A
HIS
48
n
48
HIS
48
A
GLU
49
n
49
GLU
49
A
SER
50
n
50
SER
50
A
LEU
51
n
51
LEU
51
A
ALA
52
n
52
ALA
52
A
ASP
53
n
53
ASP
53
A
VAL
54
n
54
VAL
54
A
LYS
55
n
55
LYS
55
A
ALA
56
n
56
ALA
56
A
VAL
57
n
57
VAL
57
A
CYS
58
n
58
CYS
58
A
SER
59
n
59
SER
59
A
GLN
60
n
60
GLN
60
A
LYS
61
n
61
LYS
61
A
LYS
62
n
62
LYS
62
A
VAL
63
n
63
VAL
63
A
THR
64
n
64
THR
64
A
CYS
65
n
65
CYS
65
A
LYS
66
n
66
LYS
66
A
ASN
67
n
67
ASN
67
A
GLY
68
n
68
GLY
68
A
GLN
69
n
69
GLN
69
A
THR
70
n
70
THR
70
A
ASN
71
n
71
ASN
71
A
CYS
72
n
72
CYS
72
A
TYR
73
n
73
TYR
73
A
GLN
74
n
74
GLN
74
A
SER
75
n
75
SER
75
A
LYS
76
n
76
LYS
76
A
SER
77
n
77
SER
77
A
THR
78
n
78
THR
78
A
MET
79
n
79
MET
79
A
ARG
80
n
80
ARG
80
A
ILE
81
n
81
ILE
81
A
THR
82
n
82
THR
82
A
ASP
83
n
83
ASP
83
A
CYS
84
n
84
CYS
84
A
ARG
85
n
85
ARG
85
A
GLU
86
n
86
GLU
86
A
THR
87
n
87
THR
87
A
GLY
88
n
88
GLY
88
A
SER
89
n
89
SER
89
A
SER
90
n
90
SER
90
A
LYS
91
n
91
LYS
91
A
TYR
92
n
92
TYR
92
A
PRO
93
n
93
PRO
93
A
ASN
94
n
94
ASN
94
A
CYS
95
n
95
CYS
95
A
ALA
96
n
96
ALA
96
A
TYR
97
n
97
TYR
97
A
LYS
98
n
98
LYS
98
A
THR
99
n
99
THR
99
A
THR
100
n
100
THR
100
A
GLN
101
n
101
GLN
101
A
VAL
102
n
102
VAL
102
A
GLU
103
n
103
GLU
103
A
LYS
104
n
104
LYS
104
A
HIS
105
n
105
HIS
105
A
ILE
106
n
106
ILE
106
A
ILE
107
n
107
ILE
107
A
VAL
108
n
108
VAL
108
A
ALA
109
n
109
ALA
109
A
CYS
110
n
110
CYS
110
A
GLY
111
n
111
GLY
111
A
GLY
112
n
112
GLY
112
A
LYS
113
n
113
LYS
113
A
PRO
114
n
114
PRO
114
A
SER
115
n
115
SER
115
A
VAL
116
n
116
VAL
116
A
PRO
117
n
117
PRO
117
A
VAL
118
n
118
VAL
118
A
HIS
119
n
119
HIS
119
A
PHE
120
n
120
PHE
120
A
ASP
121
n
121
ASP
121
A
ALA
122
n
122
ALA
122
A
SER
123
n
123
SER
123
A
VAL
124
n
124
VAL
124
A
LYS
1
n
1
LYS
1
B
GLU
2
n
2
GLU
2
B
SER
3
n
3
SER
3
B
ALA
4
n
4
ALA
4
B
ALA
5
n
5
ALA
5
B
ALA
6
n
6
ALA
6
B
LYS
7
n
7
LYS
7
B
PHE
8
n
8
PHE
8
B
GLU
9
n
9
GLU
9
B
ARG
10
n
10
ARG
10
B
GLN
11
n
11
GLN
11
B
HIS
12
n
12
HIS
12
B
MET
13
n
13
MET
13
B
ASP
14
n
14
ASP
14
B
SER
15
n
15
SER
15
B
GLY
16
n
16
GLY
16
B
ASN
17
n
17
ASN
17
B
SER
18
n
18
SER
18
B
PRO
19
n
19
PRO
19
B
SER
20
n
20
SER
20
B
SER
21
n
21
SER
21
B
SER
22
n
22
SER
22
B
SER
23
n
23
SER
23
B
ASN
24
n
24
ASN
24
B
TYR
25
n
25
TYR
25
B
CYS
26
n
26
CYS
26
B
ASN
27
n
27
ASN
27
B
LEU
28
n
28
LEU
28
B
MET
29
n
29
MET
29
B
MET
30
n
30
MET
30
B
CYS
31
n
31
CYS
31
B
CYS
32
n
32
CYS
32
B
ARG
33
n
33
ARG
33
B
LYS
34
n
34
LYS
34
B
MET
35
n
35
MET
35
B
THR
36
n
36
THR
36
B
GLN
37
n
37
GLN
37
B
GLY
38
n
38
GLY
38
B
LYS
39
n
39
LYS
39
B
CYS
40
n
40
CYS
40
B
LYS
41
n
41
LYS
41
B
PRO
42
n
42
PRO
42
B
VAL
43
n
43
VAL
43
B
ASN
44
n
44
ASN
44
B
THR
45
n
45
THR
45
B
PHE
46
n
46
PHE
46
B
VAL
47
n
47
VAL
47
B
HIS
48
n
48
HIS
48
B
GLU
49
n
49
GLU
49
B
SER
50
n
50
SER
50
B
LEU
51
n
51
LEU
51
B
ALA
52
n
52
ALA
52
B
ASP
53
n
53
ASP
53
B
VAL
54
n
54
VAL
54
B
LYS
55
n
55
LYS
55
B
ALA
56
n
56
ALA
56
B
VAL
57
n
57
VAL
57
B
CYS
58
n
58
CYS
58
B
SER
59
n
59
SER
59
B
GLN
60
n
60
GLN
60
B
LYS
61
n
61
LYS
61
B
LYS
62
n
62
LYS
62
B
VAL
63
n
63
VAL
63
B
THR
64
n
64
THR
64
B
CYS
65
n
65
CYS
65
B
LYS
66
n
66
LYS
66
B
ASN
67
n
67
ASN
67
B
GLY
68
n
68
GLY
68
B
GLN
69
n
69
GLN
69
B
THR
70
n
70
THR
70
B
ASN
71
n
71
ASN
71
B
CYS
72
n
72
CYS
72
B
TYR
73
n
73
TYR
73
B
GLN
74
n
74
GLN
74
B
SER
75
n
75
SER
75
B
LYS
76
n
76
LYS
76
B
SER
77
n
77
SER
77
B
THR
78
n
78
THR
78
B
MET
79
n
79
MET
79
B
ARG
80
n
80
ARG
80
B
ILE
81
n
81
ILE
81
B
THR
82
n
82
THR
82
B
ASP
83
n
83
ASP
83
B
CYS
84
n
84
CYS
84
B
ARG
85
n
85
ARG
85
B
GLU
86
n
86
GLU
86
B
THR
87
n
87
THR
87
B
GLY
88
n
88
GLY
88
B
SER
89
n
89
SER
89
B
SER
90
n
90
SER
90
B
LYS
91
n
91
LYS
91
B
TYR
92
n
92
TYR
92
B
PRO
93
n
93
PRO
93
B
ASN
94
n
94
ASN
94
B
CYS
95
n
95
CYS
95
B
ALA
96
n
96
ALA
96
B
TYR
97
n
97
TYR
97
B
LYS
98
n
98
LYS
98
B
THR
99
n
99
THR
99
B
THR
100
n
100
THR
100
B
GLN
101
n
101
GLN
101
B
VAL
102
n
102
VAL
102
B
GLU
103
n
103
GLU
103
B
LYS
104
n
104
LYS
104
B
HIS
105
n
105
HIS
105
B
ILE
106
n
106
ILE
106
B
ILE
107
n
107
ILE
107
B
VAL
108
n
108
VAL
108
B
ALA
109
n
109
ALA
109
B
CYS
110
n
110
CYS
110
B
GLY
111
n
111
GLY
111
B
GLY
112
n
112
GLY
112
B
LYS
113
n
113
LYS
113
B
PRO
114
n
114
PRO
114
B
SER
115
n
115
SER
115
B
VAL
116
n
116
VAL
116
B
PRO
117
n
117
PRO
117
B
VAL
118
n
118
VAL
118
B
HIS
119
n
119
HIS
119
B
PHE
120
n
120
PHE
120
B
ASP
121
n
121
ASP
121
B
ALA
122
n
122
ALA
122
B
SER
123
n
123
SER
123
B
VAL
124
n
124
VAL
124
B
author_and_software_defined_assembly
PISA
2
dimeric
software_defined_assembly
PISA
4
tetrameric
7890
-140
12690
18060
-337
23460
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
1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
2_566
x,-y+1,-z+1
crystal symmetry operation
0.0000000000
66.7000000000
107.7000000000
A
O
ASN
44
A
O
ASN
44
A
N
CYS
84
A
N
CYS
84
A
O
MET
79
A
O
MET
79
A
N
LYS
104
A
N
LYS
104
A
O
LYS
61
A
O
LYS
61
A
N
GLN
74
A
N
GLN
74
A
O
TYR
73
A
O
TYR
73
A
N
VAL
108
A
N
VAL
108
A
O
HIS
105
A
O
HIS
105
A
N
VAL
124
A
N
VAL
124
B
O
ASN
44
B
O
ASN
44
B
N
CYS
84
B
N
CYS
84
B
O
MET
79
B
O
MET
79
B
N
LYS
104
B
N
LYS
104
B
O
LYS
61
B
O
LYS
61
B
N
GLN
74
B
N
GLN
74
B
O
TYR
73
B
O
TYR
73
B
N
VAL
108
B
N
VAL
108
B
O
HIS
105
B
O
HIS
105
B
N
VAL
124
B
N
VAL
124
1
B
SO4
129
L
SO4
1
A
HOH
319
O
HOH
1
A
C2U
U2G
130
H
C2U
U2G
1
1
N
1
A
O2U
U2G
130
H
O2U
U2G
1
1
N
1
A
N3U
U2G
130
H
N3U
U2G
1
1
N
1
A
C4U
U2G
130
H
C4U
U2G
1
1
N
1
A
O4U
U2G
130
H
O4U
U2G
1
1
N
1
A
C5U
U2G
130
H
C5U
U2G
1
1
N
1
A
C6U
U2G
130
H
C6U
U2G
1
1
N
1
A
P
U2G
132
J
P
U2G
1
1
N
1
A
O1P
U2G
132
J
O1P
U2G
1
1
N
1
A
O2P
U2G
132
J
O2P
U2G
1
1
N
1
A
O5D
U2G
132
J
O5D
U2G
1
1
N
1
A
C5D
U2G
132
J
C5D
U2G
1
1
N
1
A
C4D
U2G
132
J
C4D
U2G
1
1
N
1
A
O4D
U2G
132
J
O4D
U2G
1
1
N
1
A
C3D
U2G
132
J
C3D
U2G
1
1
N
1
A
O3D
U2G
132
J
O3D
U2G
1
1
N
1
A
C2D
U2G
132
J
C2D
U2G
1
1
N
1
A
O2D
U2G
132
J
O2D
U2G
1
1
N
1
A
C1D
U2G
132
J
C1D
U2G
1
1
N
1
A
N1U
U2G
132
J
N1U
U2G
1
1
N
1
A
C2U
U2G
132
J
C2U
U2G
1
1
N
1
A
O2U
U2G
132
J
O2U
U2G
1
1
N
1
A
N3U
U2G
132
J
N3U
U2G
1
1
N
1
A
C4U
U2G
132
J
C4U
U2G
1
1
N
1
A
O4U
U2G
132
J
O4U
U2G
1
1
N
1
A
C5U
U2G
132
J
C5U
U2G
1
1
N
1
A
C6U
U2G
132
J
C6U
U2G
1
1
N
1
B
O5D
U2G
133
N
O5D
U2G
1
1
N
1
B
C5D
U2G
133
N
C5D
U2G
1
1
N
1
B
C4D
U2G
133
N
C4D
U2G
1
1
N
1
B
O4D
U2G
133
N
O4D
U2G
1
1
N
1
B
C3D
U2G
133
N
C3D
U2G
1
1
N
1
B
O3D
U2G
133
N
O3D
U2G
1
1
N
1
B
C2D
U2G
133
N
C2D
U2G
1
1
N
1
B
C1D
U2G
133
N
C1D
U2G
1
1
N
1
B
N1U
U2G
133
N
N1U
U2G
1
1
N
1
B
C2U
U2G
133
N
C2U
U2G
1
1
N
1
B
O2U
U2G
133
N
O2U
U2G
1
1
N
1
B
N3U
U2G
133
N
N3U
U2G
1
1
N
1
B
C4U
U2G
133
N
C4U
U2G
1
1
N
1
B
O4U
U2G
133
N
O4U
U2G
1
1
N
1
B
C5U
U2G
133
N
C5U
U2G
1
1
N
1
B
C6U
U2G
133
N
C6U
U2G
1
1
N
1
A
GLN
60
-103.88
-142.30
1
A
ASN
71
-98.68
31.74
1
A
ASN
94
-102.60
68.24
1
A
ALA
122
-175.48
-177.90
1
B
GLN
60
-103.62
-137.81
1
B
GLN
69
-177.00
-177.42
0.189
1.90
12.0
19644
92.1
10000000.00
0.001
1
3.0
OTHER
1BSR
1.90
12.0
124
2163
157
0
1882
0.016
1.84
25.3
1.70
1.9
20.0
11BG
20713
3
0.072
1
4.7
96.7
1.90
1.93
90.3
data reduction
DENZO
data scaling
SCALEPACK
model building
X-PLOR
refinement
X-PLOR
3.1
phasing
X-PLOR
A POTENTIAL ALLOSTERIC SUBSITE GENERATED BY DOMAIN SWAPPING IN BOVINE SEMINAL RIBONUCLEASE
1
N
N
1
N
N
2
N
N
2
N
N
2
N
N
2
N
N
2
N
N
3
N
N
3
N
N
3
N
N
2
N
N
2
N
N
2
N
N
3
N
N
4
N
N
4
N
N
A
ALA
4
A
ALA
4
HELX_P
A
HIS
12
A
HIS
12
1
1
9
A
SER
22
A
SER
22
HELX_P
A
CYS
32
A
CYS
32
5
2
11
A
LEU
51
A
LEU
51
HELX_P
A
SER
59
A
SER
59
1
3
9
B
ALA
4
B
ALA
4
HELX_P
B
HIS
12
B
HIS
12
1
4
9
B
SER
22
B
SER
22
HELX_P
B
CYS
32
B
CYS
32
5
5
11
B
LEU
51
B
LEU
51
HELX_P
B
SER
59
B
SER
59
1
6
9
disulf
2.027
A
CYS
26
A
SG
CYS
26
1_555
A
CYS
84
A
SG
CYS
84
1_555
disulf
2.034
A
CYS
31
A
SG
CYS
31
1_555
B
CYS
32
B
SG
CYS
32
1_555
disulf
2.024
A
CYS
32
A
SG
CYS
32
1_555
B
CYS
31
B
SG
CYS
31
1_555
disulf
2.020
A
CYS
40
A
SG
CYS
40
1_555
A
CYS
95
A
SG
CYS
95
1_555
disulf
1.997
A
CYS
58
A
SG
CYS
58
1_555
A
CYS
110
A
SG
CYS
110
1_555
disulf
2.019
A
CYS
65
A
SG
CYS
65
1_555
A
CYS
72
A
SG
CYS
72
1_555
disulf
2.036
B
CYS
26
B
SG
CYS
26
1_555
B
CYS
84
B
SG
CYS
84
1_555
disulf
2.003
B
CYS
40
B
SG
CYS
40
1_555
B
CYS
95
B
SG
CYS
95
1_555
disulf
2.012
B
CYS
58
B
SG
CYS
58
1_555
B
CYS
110
B
SG
CYS
110
1_555
disulf
2.019
B
CYS
65
B
SG
CYS
65
1_555
B
CYS
72
B
SG
CYS
72
1_555
HYDROLASE
HYDROLASE, PHOSPHORIC DIESTER, RNA
A
TYR
92
A
TYR
92
1
A
PRO
93
A
PRO
93
-0.07
A
LYS
113
A
LYS
113
1
A
PRO
114
A
PRO
114
-0.31
B
TYR
92
B
TYR
92
1
B
PRO
93
B
PRO
93
0.11
B
LYS
113
B
LYS
113
1
B
PRO
114
B
PRO
114
0.12
RNS_BOVIN
UNP
1
27
150
11BG
1
124
P00669
A
1
1
124
27
150
11BG
1
124
P00669
B
1
1
124
3
4
3
4
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
VAL
43
A
VAL
43
A
VAL
47
A
VAL
47
A
MET
79
A
MET
79
A
GLU
86
A
GLU
86
A
TYR
97
A
TYR
97
A
LYS
104
A
LYS
104
A
LYS
61
A
LYS
61
A
VAL
63
A
VAL
63
A
CYS
72
A
CYS
72
A
GLN
74
A
GLN
74
A
HIS
105
A
HIS
105
A
ALA
109
A
ALA
109
A
HIS
119
A
HIS
119
A
VAL
124
A
VAL
124
B
VAL
43
B
VAL
43
B
VAL
47
B
VAL
47
B
MET
79
B
MET
79
B
GLU
86
B
GLU
86
B
TYR
97
B
TYR
97
B
LYS
104
B
LYS
104
B
LYS
61
B
LYS
61
B
VAL
63
B
VAL
63
B
CYS
72
B
CYS
72
B
GLN
74
B
GLN
74
B
HIS
105
B
HIS
105
B
ALA
109
B
ALA
109
B
HIS
119
B
HIS
119
B
VAL
124
B
VAL
124
BINDING SITE FOR RESIDUE SO4 A 125
A
SO4
125
Software
7
BINDING SITE FOR RESIDUE SO4 A 126
A
SO4
126
Software
7
BINDING SITE FOR RESIDUE SO4 B 127
B
SO4
127
Software
6
BINDING SITE FOR RESIDUE SO4 A 128
A
SO4
128
Software
8
BINDING SITE FOR RESIDUE SO4 B 129
B
SO4
129
Software
8
BINDING SITE FOR RESIDUE SO4 A 134
A
SO4
134
Software
7
BINDING SITE FOR RESIDUE SO4 A 135
A
SO4
135
Software
8
BINDING SITE FOR RESIDUE SO4 B 136
B
SO4
136
Software
7
BINDING SITE FOR RESIDUE U2G A 130
A
U2G
130
Software
15
BINDING SITE FOR RESIDUE U2G A 131
A
U2G
131
Software
13
BINDING SITE FOR RESIDUE U2G A 132
A
U2G
132
Software
11
BINDING SITE FOR RESIDUE U2G B 133
B
U2G
133
Software
13
A
GLN
11
A
GLN
11
7
1_555
A
HIS
12
A
HIS
12
7
1_555
A
HOH
219
O
HOH
7
1_555
B
LYS
41
B
LYS
41
7
1_555
B
HIS
119
B
HIS
119
7
1_555
B
PHE
120
B
PHE
120
7
1_555
B
U2G
133
N
U2G
7
1_555
A
SER
3
A
SER
3
7
3_556
A
ALA
4
A
ALA
4
7
3_556
A
LYS
39
A
LYS
39
7
1_555
A
LYS
41
A
LYS
41
7
1_555
A
PRO
42
A
PRO
42
7
1_555
A
U2G
132
J
U2G
7
1_555
A
HOH
214
O
HOH
7
3_556
A
LYS
7
A
LYS
7
6
1_555
A
GLY
112
A
GLY
112
6
3_646
A
LYS
113
A
LYS
113
6
3_646
A
HOH
204
O
HOH
6
1_555
B
LYS
39
B
LYS
39
6
1_555
B
HOH
244
P
HOH
6
1_555
A
SER
18
A
SER
18
8
1_555
A
PRO
19
A
PRO
19
8
1_555
A
SER
20
A
SER
20
8
1_555
A
SER
21
A
SER
21
8
1_555
A
SER
21
A
SER
21
8
2_566
A
SER
22
A
SER
22
8
2_566
A
HOH
316
O
HOH
8
2_566
B
GLN
101
B
GLN
101
8
1_555
B
SER
20
B
SER
20
8
2_566
B
SER
20
B
SER
20
8
1_555
B
SER
21
B
SER
21
8
2_566
B
SER
21
B
SER
21
8
1_555
B
SER
22
B
SER
22
8
1_555
B
SER
22
B
SER
22
8
2_566
B
SER
23
B
SER
23
8
1_555
B
SER
23
B
SER
23
8
2_566
A
LYS
39
A
LYS
39
7
1_555
A
U2G
132
J
U2G
7
1_555
A
HOH
301
O
HOH
7
1_555
B
LYS
7
B
LYS
7
7
1_555
B
GLY
112
B
GLY
112
7
3_556
B
LYS
113
B
LYS
113
7
3_556
B
HOH
235
P
HOH
7
1_555
A
LYS
41
A
LYS
41
8
1_555
A
HIS
119
A
HIS
119
8
1_555
A
PHE
120
A
PHE
120
8
1_555
A
U2G
130
H
U2G
8
1_555
A
U2G
132
J
U2G
8
1_555
A
HOH
249
O
HOH
8
1_555
B
GLN
11
B
GLN
11
8
1_555
B
HIS
12
B
HIS
12
8
1_555
B
SER
3
B
SER
3
7
3_646
B
ALA
4
B
ALA
4
7
3_646
B
LYS
39
B
LYS
39
7
1_555
B
PRO
42
B
PRO
42
7
1_555
B
HOH
245
P
HOH
7
3_646
B
HOH
263
P
HOH
7
1_555
B
HOH
320
P
HOH
7
1_555
A
VAL
43
A
VAL
43
15
1_555
A
ASN
44
A
ASN
44
15
1_555
A
THR
45
A
THR
45
15
1_555
A
LYS
66
A
LYS
66
15
1_555
A
ARG
85
A
ARG
85
15
1_555
A
LYS
104
A
LYS
104
15
1_555
A
PHE
120
A
PHE
120
15
1_555
A
ASP
121
A
ASP
121
15
1_555
A
ALA
122
A
ALA
122
15
1_555
A
SER
123
A
SER
123
15
1_555
A
U2G
132
J
U2G
15
1_555
A
SO4
135
G
SO4
15
1_555
A
HOH
231
O
HOH
15
1_555
A
HOH
295
O
HOH
15
1_555
B
HIS
12
B
HIS
12
15
1_555
A
ASP
14
A
ASP
14
13
1_555
A
ASN
24
A
ASN
24
13
1_555
A
ASN
27
A
ASN
27
13
1_555
A
ASN
94
A
ASN
94
13
1_555
A
CYS
95
A
CYS
95
13
1_555
A
HOH
267
O
HOH
13
1_555
A
HOH
291
O
HOH
13
1_555
A
HOH
318
O
HOH
13
1_555
B
CYS
32
B
CYS
32
13
1_555
B
ARG
33
B
ARG
33
13
1_555
B
SER
89
B
SER
89
13
1_455
B
ASN
94
B
ASN
94
13
1_455
B
HOH
302
P
HOH
13
1_455
A
LYS
1
A
LYS
1
11
3_556
A
SER
3
A
SER
3
11
3_556
A
LYS
39
A
LYS
39
11
1_555
A
LYS
41
A
LYS
41
11
1_555
A
PRO
42
A
PRO
42
11
1_555
A
SO4
126
D
SO4
11
1_555
A
U2G
130
H
U2G
11
1_555
A
SO4
134
F
SO4
11
1_555
A
SO4
135
G
SO4
11
1_555
A
HOH
279
O
HOH
11
3_556
B
GLN
11
B
GLN
11
11
1_555
A
HIS
12
A
HIS
12
13
1_555
A
SO4
125
C
SO4
13
1_555
B
VAL
43
B
VAL
43
13
1_555
B
ASN
44
B
ASN
44
13
1_555
B
THR
45
B
THR
45
13
1_555
B
ASN
67
B
ASN
67
13
1_555
B
ARG
85
B
ARG
85
13
1_555
B
PHE
120
B
PHE
120
13
1_555
B
ASP
121
B
ASP
121
13
1_555
B
ALA
122
B
ALA
122
13
1_555
B
SER
123
B
SER
123
13
1_555
B
HOH
310
P
HOH
13
1_555
B
HOH
324
P
HOH
13
1_555
18
orthorhombic
P 2 21 21