0.024612
-0.000000
0.000000
0.000000
0.020779
0.000000
0.000000
0.000000
0.018807
0.00000
0.00000
0.00000
Mignon, P.
Steyaert, J.
Loris, R.
Geerlings, P.
Loverix, S.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
90.00
90.00
40.631
48.126
53.172
C10 H14 N5 O8 P
363.221
GUANOSINE-3'-MONOPHOSPHATE
non-polymer
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C6 H15 N4 O2 1
175.209
y
ARGININE
L-peptide linking
C4 H8 N2 O3
132.118
y
ASPARAGINE
L-peptide linking
C4 H7 N O4
133.103
y
ASPARTIC ACID
L-peptide linking
Ca 2
40.078
CALCIUM ION
non-polymer
C3 H7 N O2 S
121.158
y
CYSTEINE
L-peptide linking
C5 H10 N2 O3
146.144
y
GLUTAMINE
L-peptide linking
C5 H9 N O4
147.129
y
GLUTAMIC ACID
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C6 H10 N3 O2 1
156.162
y
HISTIDINE
L-peptide linking
H2 O
18.015
WATER
non-polymer
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C6 H15 N2 O2 1
147.195
y
LYSINE
L-peptide linking
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
P
N
2
N
O
N
3
N
O
N
4
N
O
N
5
N
O
N
6
N
C
N
7
R
C
N
8
N
O
N
9
S
C
N
10
N
O
N
11
R
C
N
12
N
O
N
13
R
C
Y
14
N
N
Y
15
N
C
Y
16
N
N
Y
17
N
C
N
18
N
C
N
19
N
O
N
20
N
N
N
21
N
C
N
22
N
N
N
23
N
N
Y
24
N
C
N
25
N
H
N
26
N
H
N
27
N
H
N
28
N
H
N
29
N
H
N
30
N
H
N
31
N
H
N
32
N
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
N
N
40
S
C
N
41
N
C
N
42
N
O
N
43
N
C
N
44
N
O
N
45
N
H
N
46
N
H
N
47
N
H
N
48
N
H
N
49
N
H
N
50
N
H
N
51
N
H
N
52
N
N
N
53
S
C
N
54
N
C
N
55
N
O
N
56
N
C
N
57
N
C
N
58
N
C
N
59
N
N
N
60
N
C
N
61
N
N
N
62
N
N
N
63
N
O
N
64
N
H
N
65
N
H
N
66
N
H
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
H
N
75
N
H
N
76
N
H
N
77
N
H
N
78
N
H
N
79
N
N
N
80
S
C
N
81
N
C
N
82
N
O
N
83
N
C
N
84
N
C
N
85
N
O
N
86
N
N
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
H
N
96
N
N
N
97
S
C
N
98
N
C
N
99
N
O
N
100
N
C
N
101
N
C
N
102
N
O
N
103
N
O
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
CA
N
113
N
N
N
114
R
C
N
115
N
C
N
116
N
O
N
117
N
C
N
118
N
S
N
119
N
O
N
120
N
H
N
121
N
H
N
122
N
H
N
123
N
H
N
124
N
H
N
125
N
H
N
126
N
H
N
127
N
N
N
128
S
C
N
129
N
C
N
130
N
O
N
131
N
C
N
132
N
C
N
133
N
C
N
134
N
O
N
135
N
N
N
136
N
O
N
137
N
H
N
138
N
H
N
139
N
H
N
140
N
H
N
141
N
H
N
142
N
H
N
143
N
H
N
144
N
H
N
145
N
H
N
146
N
H
N
147
N
N
N
148
S
C
N
149
N
C
N
150
N
O
N
151
N
C
N
152
N
C
N
153
N
C
N
154
N
O
N
155
N
O
N
156
N
O
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
H
N
166
N
N
N
167
N
C
N
168
N
C
N
169
N
O
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
N
N
177
S
C
N
178
N
C
N
179
N
O
N
180
N
C
Y
181
N
C
Y
182
N
N
Y
183
N
C
Y
184
N
C
Y
185
N
N
N
186
N
O
N
187
N
H
N
188
N
H
N
189
N
H
N
190
N
H
N
191
N
H
N
192
N
H
N
193
N
H
N
194
N
H
N
195
N
H
N
196
N
H
N
197
N
O
N
198
N
H
N
199
N
H
N
200
N
N
N
201
S
C
N
202
N
C
N
203
N
O
N
204
S
C
N
205
N
C
N
206
N
C
N
207
N
C
N
208
N
O
N
209
N
H
N
210
N
H
N
211
N
H
N
212
N
H
N
213
N
H
N
214
N
H
N
215
N
H
N
216
N
H
N
217
N
H
N
218
N
H
N
219
N
H
N
220
N
H
N
221
N
H
N
222
N
N
N
223
S
C
N
224
N
C
N
225
N
O
N
226
N
C
N
227
N
C
N
228
N
C
N
229
N
C
N
230
N
O
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
H
N
238
N
H
N
239
N
H
N
240
N
H
N
241
N
H
N
242
N
H
N
243
N
H
N
244
N
N
N
245
S
C
N
246
N
C
N
247
N
O
N
248
N
C
N
249
N
C
N
250
N
C
N
251
N
C
N
252
N
N
N
253
N
O
N
254
N
H
N
255
N
H
N
256
N
H
N
257
N
H
N
258
N
H
N
259
N
H
N
260
N
H
N
261
N
H
N
262
N
H
N
263
N
H
N
264
N
H
N
265
N
H
N
266
N
H
N
267
N
H
N
268
N
H
N
269
N
N
N
270
S
C
N
271
N
C
N
272
N
O
N
273
N
C
Y
274
N
C
Y
275
N
C
Y
276
N
C
Y
277
N
C
Y
278
N
C
Y
279
N
C
N
280
N
O
N
281
N
H
N
282
N
H
N
283
N
H
N
284
N
H
N
285
N
H
N
286
N
H
N
287
N
H
N
288
N
H
N
289
N
H
N
290
N
H
N
291
N
H
N
292
N
N
N
293
S
C
N
294
N
C
N
295
N
O
N
296
N
C
N
297
N
C
N
298
N
C
N
299
N
O
N
300
N
H
N
301
N
H
N
302
N
H
N
303
N
H
N
304
N
H
N
305
N
H
N
306
N
H
N
307
N
H
N
308
N
H
N
309
N
N
N
310
S
C
N
311
N
C
N
312
N
O
N
313
N
C
N
314
N
O
N
315
N
O
N
316
N
H
N
317
N
H
N
318
N
H
N
319
N
H
N
320
N
H
N
321
N
H
N
322
N
H
N
323
N
N
N
324
S
C
N
325
N
C
N
326
N
O
N
327
R
C
N
328
N
O
N
329
N
C
N
330
N
O
N
331
N
H
N
332
N
H
N
333
N
H
N
334
N
H
N
335
N
H
N
336
N
H
N
337
N
H
N
338
N
H
N
339
N
H
N
340
N
N
N
341
S
C
N
342
N
C
N
343
N
O
N
344
N
C
Y
345
N
C
Y
346
N
C
Y
347
N
C
Y
348
N
N
Y
349
N
C
Y
350
N
C
Y
351
N
C
Y
352
N
C
Y
353
N
C
N
354
N
O
N
355
N
H
N
356
N
H
N
357
N
H
N
358
N
H
N
359
N
H
N
360
N
H
N
361
N
H
N
362
N
H
N
363
N
H
N
364
N
H
N
365
N
H
N
366
N
H
N
367
N
N
N
368
S
C
N
369
N
C
N
370
N
O
N
371
N
C
Y
372
N
C
Y
373
N
C
Y
374
N
C
Y
375
N
C
Y
376
N
C
Y
377
N
C
N
378
N
O
N
379
N
O
N
380
N
H
N
381
N
H
N
382
N
H
N
383
N
H
N
384
N
H
N
385
N
H
N
386
N
H
N
387
N
H
N
388
N
H
N
389
N
H
N
390
N
H
N
391
N
N
N
392
S
C
N
393
N
C
N
394
N
O
N
395
N
C
N
396
N
C
N
397
N
C
N
398
N
O
N
399
N
H
N
400
N
H
N
401
N
H
N
402
N
H
N
403
N
H
N
404
N
H
N
405
N
H
N
406
N
H
N
407
N
H
N
408
N
H
N
409
N
H
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
sing
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
Y
25
N
sing
Y
26
N
sing
Y
27
N
doub
N
28
N
sing
Y
29
N
sing
N
30
N
sing
Y
31
N
doub
N
32
N
doub
N
33
N
sing
N
34
N
sing
N
35
N
sing
N
36
N
sing
N
37
N
doub
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
sing
N
46
N
sing
N
47
N
doub
N
48
N
sing
N
49
N
sing
N
50
N
sing
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
doub
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
sing
N
68
N
sing
N
69
N
sing
N
70
N
sing
N
71
N
sing
N
72
N
sing
N
73
N
doub
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
sing
N
83
N
sing
N
84
N
sing
N
85
N
doub
N
86
N
sing
N
87
N
sing
N
88
N
sing
N
89
N
sing
N
90
N
doub
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
sing
N
98
N
sing
N
99
N
sing
N
100
N
sing
N
101
N
doub
N
102
N
sing
N
103
N
sing
N
104
N
sing
N
105
N
sing
N
106
N
doub
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
sing
N
115
N
sing
N
116
N
doub
N
117
N
sing
N
118
N
sing
N
119
N
sing
N
120
N
sing
N
121
N
sing
N
122
N
sing
N
123
N
sing
N
124
N
sing
N
125
N
sing
N
126
N
sing
N
127
N
sing
N
128
N
sing
N
129
N
doub
N
130
N
sing
N
131
N
sing
N
132
N
sing
N
133
N
sing
N
134
N
sing
N
135
N
sing
N
136
N
sing
N
137
N
doub
N
138
N
sing
N
139
N
sing
N
140
N
sing
N
141
N
sing
N
142
N
sing
N
143
N
sing
N
144
N
sing
N
145
N
sing
N
146
N
sing
N
147
N
sing
N
148
N
doub
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
doub
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
sing
N
165
N
sing
N
166
N
doub
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
doub
N
176
N
sing
N
177
N
sing
N
178
N
sing
N
179
N
sing
Y
180
N
sing
Y
181
N
doub
Y
182
N
doub
N
183
N
sing
Y
184
N
sing
N
185
N
sing
Y
186
N
sing
N
187
N
sing
N
188
N
sing
N
189
N
sing
N
190
N
sing
N
191
N
sing
N
192
N
sing
N
193
N
sing
N
194
N
sing
N
195
N
sing
N
196
N
sing
N
197
N
sing
N
198
N
doub
N
199
N
sing
N
200
N
sing
N
201
N
sing
N
202
N
sing
N
203
N
sing
N
204
N
sing
N
205
N
sing
N
206
N
sing
N
207
N
sing
N
208
N
sing
N
209
N
sing
N
210
N
sing
N
211
N
sing
N
212
N
sing
N
213
N
sing
N
214
N
sing
N
215
N
sing
N
216
N
sing
N
217
N
sing
N
218
N
sing
N
219
N
doub
N
220
N
sing
N
221
N
sing
N
222
N
sing
N
223
N
sing
N
224
N
sing
N
225
N
sing
N
226
N
sing
N
227
N
sing
N
228
N
sing
N
229
N
sing
N
230
N
sing
N
231
N
sing
N
232
N
sing
N
233
N
sing
N
234
N
sing
N
235
N
sing
N
236
N
sing
N
237
N
sing
N
238
N
sing
N
239
N
sing
N
240
N
doub
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
sing
N
250
N
sing
N
251
N
sing
N
252
N
sing
N
253
N
sing
N
254
N
sing
N
255
N
sing
N
256
N
sing
N
257
N
sing
N
258
N
sing
N
259
N
sing
N
260
N
sing
N
261
N
sing
N
262
N
sing
N
263
N
sing
N
264
N
doub
N
265
N
sing
N
266
N
sing
N
267
N
sing
N
268
N
sing
Y
269
N
doub
Y
270
N
sing
Y
271
N
sing
N
272
N
sing
Y
273
N
doub
N
274
N
sing
Y
275
N
doub
N
276
N
sing
Y
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
doub
N
288
N
sing
N
289
N
sing
N
290
N
sing
N
291
N
sing
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
sing
N
297
N
sing
N
298
N
sing
N
299
N
sing
N
300
N
sing
N
301
N
sing
N
302
N
sing
N
303
N
sing
N
304
N
doub
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
doub
N
318
N
sing
N
319
N
sing
N
320
N
sing
N
321
N
sing
N
322
N
sing
N
323
N
sing
N
324
N
sing
N
325
N
sing
N
326
N
sing
N
327
N
sing
N
328
N
sing
N
329
N
sing
N
330
N
sing
N
331
N
sing
N
332
N
sing
N
333
N
doub
N
334
N
sing
N
335
N
sing
N
336
N
sing
N
337
N
sing
Y
338
N
doub
Y
339
N
sing
Y
340
N
sing
N
341
N
sing
Y
342
N
doub
Y
343
N
sing
Y
344
N
sing
N
345
N
sing
Y
346
N
sing
Y
347
N
doub
N
348
N
sing
Y
349
N
doub
N
350
N
sing
Y
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
doub
N
362
N
sing
N
363
N
sing
N
364
N
sing
N
365
N
sing
Y
366
N
doub
Y
367
N
sing
Y
368
N
sing
N
369
N
sing
Y
370
N
doub
N
371
N
sing
Y
372
N
doub
N
373
N
sing
Y
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
doub
N
386
N
sing
N
387
N
sing
N
388
N
sing
N
389
N
sing
N
390
N
sing
N
391
N
sing
N
392
N
sing
N
393
N
sing
N
394
N
sing
N
395
N
sing
N
396
N
sing
US
J.Biol.Chem.
JBCHA3
0071
0021-9258
277
36770
36774
10.1074/jbc.M206461200
12122018
A nucleophile activation dyad in ribonucleases. A combined X-ray crystallographic/ab initio quantum chemical study
2002
10.2210/pdb1lov/pdb
pdb_00001lov
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
293
1
IMAGE PLATE
2000-11-10
MARRESEARCH
Graphite
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
RIGAKU RU200
11036.658
Guanyl-specific ribonuclease T1
3.1.27.3
E58A
1
man
polymer
40.078
CALCIUM ION
1
syn
non-polymer
363.221
GUANOSINE-3'-MONOPHOSPHATE
1
syn
non-polymer
18.015
water
75
nat
water
RNAse T1
no
no
ACDYTCGSNCYSSSDVSTAQAAGYKLHEDGETVGSNSYPHKYNNYEGFDFSVSSPYYAWPILSSGDVYSGGSPGADRVVF
NENNQLAGVITHTGASGNNFVECT
ACDYTCGSNCYSSSDVSTAQAAGYKLHEDGETVGSNSYPHKYNNYEGFDFSVSSPYYAWPILSSGDVYSGGSPGADRVVF
NENNQLAGVITHTGASGNNFVECT
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
Aspergillus
Escherichia
sample
5062
Aspergillus oryzae
562
Escherichia coli
WK6
PLASMID
pMC
1
2.35
47.76
VAPOR DIFFUSION, HANGING DROP
4.2
MPD,CaCl2,sodium acetate, pH 4.2, VAPOR DIFFUSION, HANGING DROP, temperature 293K
293
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
Data collection
Refinement description
1
0
2002-08-21
1
1
2008-04-28
1
2
2011-07-13
1
3
2021-10-27
1
4
2023-08-16
_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
RNase T1 H40A complexed with 3'-GMP
RNase T1 H40A/E58A complexed with 3'-GMP
X-ray structure of the H40A mutant of Ribonuclease T1 complexed with 3'-guanosine monophosphate
X-ray structure of the H40A/E58A mutant of Ribonuclease T1 complexed with 3'-guanosine monophosphate
The isozyme of RNase T1 used here contains a lysine at position 25.
RCSB
Y
RCSB
2002-05-07
REL
REL
CA
CALCIUM ION
3GP
GUANOSINE-3'-MONOPHOSPHATE
HOH
water
1RGA
PDB ENTRY 1RGA
PDB
experimental model
CA
105
2
CA
CA
105
A
GMP
106
3
3GP
3GP
106
A
HOH
201
4
HOH
HOH
201
A
HOH
202
4
HOH
HOH
202
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
207
4
HOH
HOH
207
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
233
4
HOH
HOH
233
A
HOH
234
4
HOH
HOH
234
A
HOH
235
4
HOH
HOH
235
A
HOH
236
4
HOH
HOH
236
A
HOH
237
4
HOH
HOH
237
A
HOH
238
4
HOH
HOH
238
A
HOH
239
4
HOH
HOH
239
A
HOH
240
4
HOH
HOH
240
A
HOH
241
4
HOH
HOH
241
A
HOH
242
4
HOH
HOH
242
A
HOH
243
4
HOH
HOH
243
A
HOH
244
4
HOH
HOH
244
A
HOH
245
4
HOH
HOH
245
A
HOH
246
4
HOH
HOH
246
A
HOH
247
4
HOH
HOH
247
A
HOH
248
4
HOH
HOH
248
A
HOH
249
4
HOH
HOH
249
A
HOH
250
4
HOH
HOH
250
A
HOH
251
4
HOH
HOH
251
A
HOH
252
4
HOH
HOH
252
A
HOH
253
4
HOH
HOH
253
A
HOH
254
4
HOH
HOH
254
A
HOH
255
4
HOH
HOH
255
A
HOH
256
4
HOH
HOH
256
A
HOH
257
4
HOH
HOH
257
A
HOH
258
4
HOH
HOH
258
A
HOH
259
4
HOH
HOH
259
A
HOH
260
4
HOH
HOH
260
A
HOH
261
4
HOH
HOH
261
A
HOH
262
4
HOH
HOH
262
A
HOH
263
4
HOH
HOH
263
A
HOH
264
4
HOH
HOH
264
A
HOH
265
4
HOH
HOH
265
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
270
4
HOH
HOH
270
A
HOH
271
4
HOH
HOH
271
A
HOH
272
4
HOH
HOH
272
A
HOH
273
4
HOH
HOH
273
A
HOH
274
4
HOH
HOH
274
A
HOH
275
4
HOH
HOH
275
A
ALA
1
n
1
ALA
1
A
CYS
2
n
2
CYS
2
A
ASP
3
n
3
ASP
3
A
TYR
4
n
4
TYR
4
A
THR
5
n
5
THR
5
A
CYS
6
n
6
CYS
6
A
GLY
7
n
7
GLY
7
A
SER
8
n
8
SER
8
A
ASN
9
n
9
ASN
9
A
CYS
10
n
10
CYS
10
A
TYR
11
n
11
TYR
11
A
SER
12
n
12
SER
12
A
SER
13
n
13
SER
13
A
SER
14
n
14
SER
14
A
ASP
15
n
15
ASP
15
A
VAL
16
n
16
VAL
16
A
SER
17
n
17
SER
17
A
THR
18
n
18
THR
18
A
ALA
19
n
19
ALA
19
A
GLN
20
n
20
GLN
20
A
ALA
21
n
21
ALA
21
A
ALA
22
n
22
ALA
22
A
GLY
23
n
23
GLY
23
A
TYR
24
n
24
TYR
24
A
LYS
25
n
25
LYS
25
A
LEU
26
n
26
LEU
26
A
HIS
27
n
27
HIS
27
A
GLU
28
n
28
GLU
28
A
ASP
29
n
29
ASP
29
A
GLY
30
n
30
GLY
30
A
GLU
31
n
31
GLU
31
A
THR
32
n
32
THR
32
A
VAL
33
n
33
VAL
33
A
GLY
34
n
34
GLY
34
A
SER
35
n
35
SER
35
A
ASN
36
n
36
ASN
36
A
SER
37
n
37
SER
37
A
TYR
38
n
38
TYR
38
A
PRO
39
n
39
PRO
39
A
HIS
40
n
40
HIS
40
A
LYS
41
n
41
LYS
41
A
TYR
42
n
42
TYR
42
A
ASN
43
n
43
ASN
43
A
ASN
44
n
44
ASN
44
A
TYR
45
n
45
TYR
45
A
GLU
46
n
46
GLU
46
A
GLY
47
n
47
GLY
47
A
PHE
48
n
48
PHE
48
A
ASP
49
n
49
ASP
49
A
PHE
50
n
50
PHE
50
A
SER
51
n
51
SER
51
A
VAL
52
n
52
VAL
52
A
SER
53
n
53
SER
53
A
SER
54
n
54
SER
54
A
PRO
55
n
55
PRO
55
A
TYR
56
n
56
TYR
56
A
TYR
57
n
57
TYR
57
A
ALA
58
n
58
ALA
58
A
TRP
59
n
59
TRP
59
A
PRO
60
n
60
PRO
60
A
ILE
61
n
61
ILE
61
A
LEU
62
n
62
LEU
62
A
SER
63
n
63
SER
63
A
SER
64
n
64
SER
64
A
GLY
65
n
65
GLY
65
A
ASP
66
n
66
ASP
66
A
VAL
67
n
67
VAL
67
A
TYR
68
n
68
TYR
68
A
SER
69
n
69
SER
69
A
GLY
70
n
70
GLY
70
A
GLY
71
n
71
GLY
71
A
SER
72
n
72
SER
72
A
PRO
73
n
73
PRO
73
A
GLY
74
n
74
GLY
74
A
ALA
75
n
75
ALA
75
A
ASP
76
n
76
ASP
76
A
ARG
77
n
77
ARG
77
A
VAL
78
n
78
VAL
78
A
VAL
79
n
79
VAL
79
A
PHE
80
n
80
PHE
80
A
ASN
81
n
81
ASN
81
A
GLU
82
n
82
GLU
82
A
ASN
83
n
83
ASN
83
A
ASN
84
n
84
ASN
84
A
GLN
85
n
85
GLN
85
A
LEU
86
n
86
LEU
86
A
ALA
87
n
87
ALA
87
A
GLY
88
n
88
GLY
88
A
VAL
89
n
89
VAL
89
A
ILE
90
n
90
ILE
90
A
THR
91
n
91
THR
91
A
HIS
92
n
92
HIS
92
A
THR
93
n
93
THR
93
A
GLY
94
n
94
GLY
94
A
ALA
95
n
95
ALA
95
A
SER
96
n
96
SER
96
A
GLY
97
n
97
GLY
97
A
ASN
98
n
98
ASN
98
A
ASN
99
n
99
ASN
99
A
PHE
100
n
100
PHE
100
A
VAL
101
n
101
VAL
101
A
GLU
102
n
102
GLU
102
A
CYS
103
n
103
CYS
103
A
THR
104
n
104
THR
104
A
author_defined_assembly
1
monomeric
A
ASP
15
A
OD1
ASP
15
1_555
A
CA
105
B
CA
CA
1_555
A
ASP
15
A
OD2
ASP
15
1_555
50.9
A
ASP
15
A
OD1
ASP
15
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
206
D
O
HOH
1_555
130.4
A
ASP
15
A
OD2
ASP
15
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
206
D
O
HOH
1_555
79.6
A
ASP
15
A
OD1
ASP
15
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
210
D
O
HOH
1_555
81.0
A
ASP
15
A
OD2
ASP
15
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
210
D
O
HOH
1_555
74.6
A
HOH
206
D
O
HOH
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
210
D
O
HOH
1_555
90.1
A
ASP
15
A
OD1
ASP
15
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
213
D
O
HOH
1_555
79.7
A
ASP
15
A
OD2
ASP
15
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
213
D
O
HOH
1_555
79.5
A
HOH
206
D
O
HOH
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
213
D
O
HOH
1_555
89.1
A
HOH
210
D
O
HOH
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
213
D
O
HOH
1_555
153.8
A
ASP
15
A
OD1
ASP
15
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
218
D
O
HOH
1_555
146.5
A
ASP
15
A
OD2
ASP
15
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
218
D
O
HOH
1_555
140.9
A
HOH
206
D
O
HOH
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
218
D
O
HOH
1_555
74.6
A
HOH
210
D
O
HOH
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
218
D
O
HOH
1_555
76.5
A
HOH
213
D
O
HOH
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
218
D
O
HOH
1_555
128.1
A
ASP
15
A
OD1
ASP
15
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
223
D
O
HOH
1_555
71.3
A
ASP
15
A
OD2
ASP
15
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
223
D
O
HOH
1_555
121.6
A
HOH
206
D
O
HOH
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
223
D
O
HOH
1_555
158.1
A
HOH
210
D
O
HOH
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
223
D
O
HOH
1_555
90.9
A
HOH
213
D
O
HOH
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
223
D
O
HOH
1_555
99.4
A
HOH
218
D
O
HOH
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
223
D
O
HOH
1_555
84.4
A
ASP
15
A
OD1
ASP
15
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
253
D
O
HOH
1_555
134.4
A
ASP
15
A
OD2
ASP
15
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
253
D
O
HOH
1_555
141.1
A
HOH
206
D
O
HOH
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
253
D
O
HOH
1_555
80.8
A
HOH
210
D
O
HOH
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
253
D
O
HOH
1_555
138.5
A
HOH
213
D
O
HOH
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
253
D
O
HOH
1_555
66.9
A
HOH
218
D
O
HOH
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
253
D
O
HOH
1_555
62.1
A
HOH
223
D
O
HOH
1_555
A
CA
105
B
CA
CA
1_555
A
HOH
253
D
O
HOH
1_555
84.1
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
TYR
4
A
N
TYR
4
A
O
TYR
11
A
O
TYR
11
A
N
HIS
40
A
N
HIS
40
A
O
ALA
58
A
O
ALA
58
A
N
TRP
59
A
N
TRP
59
A
O
VAL
78
A
O
VAL
78
A
N
VAL
79
A
N
VAL
79
A
O
ALA
87
A
O
ALA
87
A
N
THR
91
A
N
THR
91
A
O
VAL
101
A
O
VAL
101
1
A
CE
LYS
25
A
CE
LYS
25
0
Y
1
A
NZ
LYS
25
A
NZ
LYS
25
0
Y
1
A
CE
LYS
41
A
CE
LYS
41
0
Y
1
A
NZ
LYS
41
A
NZ
LYS
41
0
Y
1
A
CG
ASP
49
A
CG
ASP
49
0
Y
1
A
OD1
ASP
49
A
OD1
ASP
49
0
Y
1
A
OD2
ASP
49
A
OD2
ASP
49
0
Y
1
A
SER
37
51.00
70.91
0.199
0.187
0.19
0.19
1.55
30.0
3221
15595
15595
Random
1
THROUGHOUT
0.001
MOLECULAR REPLACEMENT
PDB ENTRY 1RGA
Engh & Huber
1.55
30.0
75
877
25
0
777
0.004894
1.38188
18.4
1.55
30.00
1LOV
15601
15601
-3.0
0.051
1
99.5
0.317
1.55
1.61
97.2
data reduction
DENZO
data scaling
SCALEPACK
refinement
CNS
phasing
CNS
X-ray structure of the E58A mutant of Ribonuclease T1 complexed with 3'-guanosine monophosphate
1
N
N
2
N
N
3
N
N
4
N
N
A
SER
12
A
SER
12
HELX_P
A
GLY
30
A
GLY
30
1
1
19
disulf
2.029
A
CYS
2
A
SG
CYS
2
1_555
A
CYS
10
A
SG
CYS
10
1_555
disulf
2.025
A
CYS
6
A
SG
CYS
6
1_555
A
CYS
103
A
SG
CYS
103
1_555
metalc
2.600
A
ASP
15
A
OD1
ASP
15
1_555
A
CA
105
B
CA
CA
1_555
metalc
2.497
A
ASP
15
A
OD2
ASP
15
1_555
A
CA
105
B
CA
CA
1_555
metalc
2.401
A
CA
105
B
CA
CA
1_555
A
HOH
206
D
O
HOH
1_555
metalc
2.509
A
CA
105
B
CA
CA
1_555
A
HOH
210
D
O
HOH
1_555
metalc
2.438
A
CA
105
B
CA
CA
1_555
A
HOH
213
D
O
HOH
1_555
metalc
2.443
A
CA
105
B
CA
CA
1_555
A
HOH
218
D
O
HOH
1_555
metalc
2.410
A
CA
105
B
CA
CA
1_555
A
HOH
223
D
O
HOH
1_555
metalc
2.649
A
CA
105
B
CA
CA
1_555
A
HOH
253
D
O
HOH
1_555
HYDROLASE
RNase, catalytic dyad, nucleophile activation, ab initio calculations, HYDROLASE
A
TYR
38
A
TYR
38
1
A
PRO
39
A
PRO
39
-0.28
A
SER
54
A
SER
54
1
A
PRO
55
A
PRO
55
0.10
RNT1_ASPOR
UNP
1
27
P00651
ACDYTCGSNCYSSSDVSTAQAAGYQLHEDGETVGSNSYPHKYNNYEGFDFSVSSPYYEWPILSSGDVYSGGSPGADRVVF
NENNQLAGVITHTGASGNNFVECT
27
130
1LOV
1
104
P00651
A
1
1
104
1
GLN
SEE REMARK 999
LYS
25
1LOV
A
P00651
UNP
51
25
1
GLU
engineered mutation
ALA
58
1LOV
A
P00651
UNP
84
58
2
5
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
TYR
4
A
TYR
4
A
CYS
6
A
CYS
6
A
ASN
9
A
ASN
9
A
TYR
11
A
TYR
11
A
HIS
40
A
HIS
40
A
TYR
42
A
TYR
42
A
TYR
56
A
TYR
56
A
PRO
60
A
PRO
60
A
ASP
76
A
ASP
76
A
ASN
81
A
ASN
81
A
LEU
86
A
LEU
86
A
THR
91
A
THR
91
A
VAL
101
A
VAL
101
A
GLU
102
A
GLU
102
BINDING SITE FOR RESIDUE CA A 105
A
CA
105
Software
7
BINDING SITE FOR RESIDUE 3GP A 106
A
3GP
106
Software
12
A
ASP
15
A
ASP
15
7
1_555
A
HOH
206
D
HOH
7
1_555
A
HOH
210
D
HOH
7
1_555
A
HOH
213
D
HOH
7
1_555
A
HOH
218
D
HOH
7
1_555
A
HOH
223
D
HOH
7
1_555
A
HOH
253
D
HOH
7
1_555
A
TYR
38
A
TYR
38
12
1_555
A
HIS
40
A
HIS
40
12
1_555
A
LYS
41
A
LYS
41
12
1_555
A
TYR
42
A
TYR
42
12
1_555
A
ASN
43
A
ASN
43
12
1_555
A
ASN
44
A
ASN
44
12
1_555
A
TYR
45
A
TYR
45
12
1_555
A
GLU
46
A
GLU
46
12
1_555
A
ARG
77
A
ARG
77
12
1_555
A
HIS
92
A
HIS
92
12
1_555
A
ASN
98
A
ASN
98
12
1_555
A
PHE
100
A
PHE
100
12
1_555
19
P 21 21 21