0.025621
-0.000001
-0.000001
0.000000
0.015437
0.000000
0.000000
0.000000
0.012729
0.00000
0.00000
0.00000
Sevcik, J.
Urbanikova, L.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
90.00
90.00
39.030
64.780
78.560
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
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
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
Y
210
N
C
Y
211
N
C
Y
212
N
C
Y
213
N
C
Y
214
N
C
Y
215
N
C
N
216
N
O
N
217
N
H
N
218
N
H
N
219
N
H
N
220
N
H
N
221
N
H
N
222
N
H
N
223
N
H
N
224
N
H
N
225
N
H
N
226
N
H
N
227
N
H
N
228
N
N
N
229
S
C
N
230
N
C
N
231
N
O
N
232
N
C
N
233
N
C
N
234
N
C
N
235
N
O
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
H
N
245
N
N
N
246
S
C
N
247
N
C
N
248
N
O
N
249
N
C
N
250
N
O
N
251
N
O
N
252
N
H
N
253
N
H
N
254
N
H
N
255
N
H
N
256
N
H
N
257
N
H
N
258
N
H
N
259
N
S
N
260
N
O
N
261
N
O
N
262
N
O
N
263
N
O
N
264
N
N
N
265
S
C
N
266
N
C
N
267
N
O
N
268
R
C
N
269
N
O
N
270
N
C
N
271
N
O
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
H
N
281
N
N
N
282
S
C
N
283
N
C
N
284
N
O
N
285
N
C
Y
286
N
C
Y
287
N
C
Y
288
N
C
Y
289
N
C
Y
290
N
C
Y
291
N
C
N
292
N
O
N
293
N
O
N
294
N
H
N
295
N
H
N
296
N
H
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
H
N
305
N
N
N
306
S
C
N
307
N
C
N
308
N
O
N
309
N
C
N
310
N
C
N
311
N
C
N
312
N
O
N
313
N
H
N
314
N
H
N
315
N
H
N
316
N
H
N
317
N
H
N
318
N
H
N
319
N
H
N
320
N
H
N
321
N
H
N
322
N
H
N
323
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
Y
205
N
doub
Y
206
N
sing
Y
207
N
sing
N
208
N
sing
Y
209
N
doub
N
210
N
sing
Y
211
N
doub
N
212
N
sing
Y
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
doub
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
doub
N
248
N
doub
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
doub
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
sing
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
doub
N
274
N
sing
N
275
N
sing
N
276
N
sing
N
277
N
sing
Y
278
N
doub
Y
279
N
sing
Y
280
N
sing
N
281
N
sing
Y
282
N
doub
N
283
N
sing
Y
284
N
doub
N
285
N
sing
Y
286
N
sing
N
287
N
sing
N
288
N
sing
N
289
N
sing
N
290
N
sing
N
291
N
sing
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
sing
N
297
N
doub
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
sing
N
305
N
sing
N
306
N
sing
N
307
N
sing
N
308
N
sing
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
312
393
404
10.1006/jmbi.2001.4956
11554795
Tyrosine hydrogen bonds make a large contribution to protein stability.
2001
10.2210/pdb1i8v/pdb
pdb_00001i8v
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
293.0
1
IMAGE PLATE
1999-11-01
MARRESEARCH
SI 111 CHANNEL-CUT XTAL
SINGLE WAVELENGTH
M
x-ray
1
1.044
1.0
X31
EMBL/DESY, HAMBURG
1.044
SYNCHROTRON
EMBL/DESY, HAMBURG BEAMLINE X31
10566.492
GUANYL-SPECIFIC RIBONUCLEASE SA
3.1.27.3
Y80F
2
man
polymer
96.063
SULFATE ION
2
syn
non-polymer
18.015
water
287
nat
water
no
no
DVSGTVCLSALPPEATDTLNLIASDGPFPYSQDGVVFQNRESVLPTQSYGYYHEYTVITPGARTRGTRRIITGEATQEDF
YTGDHYATFSLIDQTC
DVSGTVCLSALPPEATDTLNLIASDGPFPYSQDGVVFQNRESVLPTQSYGYYHEYTVITPGARTRGTRRIITGEATQEDF
YTGDHYATFSLIDQTC
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
Streptomyces
Escherichia
sample
1894
Streptomyces aureofaciens
562
Escherichia coli
PLASMID
1
2.35
47.7
VAPOR DIFFUSION, HANGING DROP
7.0
AMMONIUM SULFATE, MONOSODIUM PHOSPHATE, DISODIUM PHOSPHATE, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
293.0
database_2
diffrn_source
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
Data collection
Database references
Derived calculations
Data collection
Refinement description
1
0
2001-09-19
1
1
2008-04-27
1
2
2011-07-13
1
3
2021-10-27
1
4
2023-08-09
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_diffrn_source.pdbx_synchrotron_site
_struct_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
Crystal structure of wild-type RNase Sa
N39S Mutant Of Rnase Sa From Streptomyces Aureofaciens
Ribonuclease Sa Complex With Barstar
Crystal structure of RNase Sa Y86F mutant
Crystal structure of RNase Sa S24A mutant
RCSB
Y
RCSB
2001-03-16
REL
SO4
SULFATE ION
HOH
water
1RGG
PDB ENTRY 1RGG
PDB
experimental model
SUL
397
2
SO4
SO4
397
A
SUL
398
2
SO4
SO4
398
A
HOH
4
3
HOH
HOH
399
A
HOH
5
3
HOH
HOH
400
A
HOH
6
3
HOH
HOH
401
A
HOH
7
3
HOH
HOH
402
A
HOH
8
3
HOH
HOH
403
A
HOH
9
3
HOH
HOH
404
A
HOH
10
3
HOH
HOH
405
A
HOH
11
3
HOH
HOH
406
A
HOH
13
3
HOH
HOH
407
A
HOH
14
3
HOH
HOH
408
A
HOH
15
3
HOH
HOH
409
A
HOH
17
3
HOH
HOH
410
A
HOH
22
3
HOH
HOH
411
A
HOH
24
3
HOH
HOH
412
A
HOH
25
3
HOH
HOH
413
A
HOH
26
3
HOH
HOH
414
A
HOH
29
3
HOH
HOH
415
A
HOH
30
3
HOH
HOH
416
A
HOH
31
3
HOH
HOH
417
A
HOH
33
3
HOH
HOH
418
A
HOH
37
3
HOH
HOH
419
A
HOH
38
3
HOH
HOH
420
A
HOH
39
3
HOH
HOH
421
A
HOH
40
3
HOH
HOH
422
A
HOH
41
3
HOH
HOH
423
A
HOH
42
3
HOH
HOH
424
A
HOH
45
3
HOH
HOH
425
A
HOH
46
3
HOH
HOH
426
A
HOH
47
3
HOH
HOH
427
A
HOH
48
3
HOH
HOH
428
A
HOH
49
3
HOH
HOH
429
A
HOH
50
3
HOH
HOH
430
A
HOH
53
3
HOH
HOH
431
A
HOH
54
3
HOH
HOH
432
A
HOH
55
3
HOH
HOH
433
A
HOH
56
3
HOH
HOH
434
A
HOH
58
3
HOH
HOH
435
A
HOH
60
3
HOH
HOH
436
A
HOH
62
3
HOH
HOH
437
A
HOH
63
3
HOH
HOH
438
A
HOH
65
3
HOH
HOH
439
A
HOH
69
3
HOH
HOH
440
A
HOH
70
3
HOH
HOH
441
A
HOH
72
3
HOH
HOH
442
A
HOH
79
3
HOH
HOH
443
A
HOH
80
3
HOH
HOH
444
A
HOH
85
3
HOH
HOH
445
A
HOH
87
3
HOH
HOH
446
A
HOH
89
3
HOH
HOH
447
A
HOH
90
3
HOH
HOH
448
A
HOH
94
3
HOH
HOH
449
A
HOH
95
3
HOH
HOH
450
A
HOH
97
3
HOH
HOH
451
A
HOH
98
3
HOH
HOH
452
A
HOH
101
3
HOH
HOH
453
A
HOH
103
3
HOH
HOH
454
A
HOH
104
3
HOH
HOH
455
A
HOH
106
3
HOH
HOH
456
A
HOH
107
3
HOH
HOH
457
A
HOH
109
3
HOH
HOH
458
A
HOH
110
3
HOH
HOH
459
A
HOH
114
3
HOH
HOH
460
A
HOH
115
3
HOH
HOH
461
A
HOH
116
3
HOH
HOH
462
A
HOH
117
3
HOH
HOH
463
A
HOH
119
3
HOH
HOH
464
A
HOH
120
3
HOH
HOH
465
A
HOH
124
3
HOH
HOH
466
A
HOH
128
3
HOH
HOH
467
A
HOH
129
3
HOH
HOH
468
A
HOH
134
3
HOH
HOH
469
A
HOH
136
3
HOH
HOH
470
A
HOH
139
3
HOH
HOH
471
A
HOH
141
3
HOH
HOH
472
A
HOH
142
3
HOH
HOH
473
A
HOH
146
3
HOH
HOH
474
A
HOH
148
3
HOH
HOH
475
A
HOH
149
3
HOH
HOH
476
A
HOH
151
3
HOH
HOH
477
A
HOH
155
3
HOH
HOH
478
A
HOH
156
3
HOH
HOH
479
A
HOH
157
3
HOH
HOH
480
A
HOH
158
3
HOH
HOH
481
A
HOH
159
3
HOH
HOH
482
A
HOH
160
3
HOH
HOH
483
A
HOH
163
3
HOH
HOH
484
A
HOH
165
3
HOH
HOH
485
A
HOH
167
3
HOH
HOH
486
A
HOH
168
3
HOH
HOH
487
A
HOH
169
3
HOH
HOH
488
A
HOH
176
3
HOH
HOH
489
A
HOH
179
3
HOH
HOH
490
A
HOH
182
3
HOH
HOH
491
A
HOH
186
3
HOH
HOH
492
A
HOH
187
3
HOH
HOH
493
A
HOH
191
3
HOH
HOH
494
A
HOH
192
3
HOH
HOH
495
A
HOH
194
3
HOH
HOH
496
A
HOH
196
3
HOH
HOH
497
A
HOH
197
3
HOH
HOH
498
A
HOH
199
3
HOH
HOH
499
A
HOH
200
3
HOH
HOH
500
A
HOH
201
3
HOH
HOH
501
A
HOH
204
3
HOH
HOH
502
A
HOH
205
3
HOH
HOH
503
A
HOH
210
3
HOH
HOH
504
A
HOH
212
3
HOH
HOH
505
A
HOH
213
3
HOH
HOH
506
A
HOH
214
3
HOH
HOH
507
A
HOH
215
3
HOH
HOH
508
A
HOH
216
3
HOH
HOH
509
A
HOH
217
3
HOH
HOH
510
A
HOH
218
3
HOH
HOH
511
A
HOH
223
3
HOH
HOH
512
A
HOH
224
3
HOH
HOH
513
A
HOH
228
3
HOH
HOH
514
A
HOH
230
3
HOH
HOH
515
A
HOH
235
3
HOH
HOH
516
A
HOH
236
3
HOH
HOH
517
A
HOH
238
3
HOH
HOH
518
A
HOH
239
3
HOH
HOH
519
A
HOH
241
3
HOH
HOH
520
A
HOH
244
3
HOH
HOH
521
A
HOH
245
3
HOH
HOH
522
A
HOH
246
3
HOH
HOH
523
A
HOH
247
3
HOH
HOH
524
A
HOH
249
3
HOH
HOH
525
A
HOH
252
3
HOH
HOH
526
A
HOH
253
3
HOH
HOH
527
A
HOH
254
3
HOH
HOH
528
A
HOH
256
3
HOH
HOH
529
A
HOH
260
3
HOH
HOH
530
A
HOH
261
3
HOH
HOH
531
A
HOH
262
3
HOH
HOH
532
A
HOH
263
3
HOH
HOH
533
A
HOH
264
3
HOH
HOH
534
A
HOH
265
3
HOH
HOH
535
A
HOH
267
3
HOH
HOH
536
A
HOH
274
3
HOH
HOH
537
A
HOH
278
3
HOH
HOH
538
A
HOH
283
3
HOH
HOH
539
A
HOH
285
3
HOH
HOH
540
A
HOH
287
3
HOH
HOH
541
A
HOH
1
3
HOH
HOH
97
B
HOH
2
3
HOH
HOH
98
B
HOH
3
3
HOH
HOH
99
B
HOH
12
3
HOH
HOH
100
B
HOH
16
3
HOH
HOH
101
B
HOH
18
3
HOH
HOH
102
B
HOH
19
3
HOH
HOH
103
B
HOH
20
3
HOH
HOH
104
B
HOH
21
3
HOH
HOH
105
B
HOH
23
3
HOH
HOH
106
B
HOH
27
3
HOH
HOH
107
B
HOH
28
3
HOH
HOH
108
B
HOH
32
3
HOH
HOH
109
B
HOH
34
3
HOH
HOH
110
B
HOH
35
3
HOH
HOH
111
B
HOH
36
3
HOH
HOH
112
B
HOH
43
3
HOH
HOH
113
B
HOH
44
3
HOH
HOH
114
B
HOH
51
3
HOH
HOH
115
B
HOH
52
3
HOH
HOH
116
B
HOH
57
3
HOH
HOH
117
B
HOH
59
3
HOH
HOH
118
B
HOH
61
3
HOH
HOH
119
B
HOH
64
3
HOH
HOH
120
B
HOH
66
3
HOH
HOH
121
B
HOH
67
3
HOH
HOH
122
B
HOH
68
3
HOH
HOH
123
B
HOH
71
3
HOH
HOH
124
B
HOH
73
3
HOH
HOH
125
B
HOH
74
3
HOH
HOH
126
B
HOH
75
3
HOH
HOH
127
B
HOH
76
3
HOH
HOH
128
B
HOH
77
3
HOH
HOH
129
B
HOH
78
3
HOH
HOH
130
B
HOH
81
3
HOH
HOH
131
B
HOH
82
3
HOH
HOH
132
B
HOH
83
3
HOH
HOH
133
B
HOH
84
3
HOH
HOH
134
B
HOH
86
3
HOH
HOH
135
B
HOH
88
3
HOH
HOH
136
B
HOH
91
3
HOH
HOH
137
B
HOH
92
3
HOH
HOH
138
B
HOH
93
3
HOH
HOH
139
B
HOH
96
3
HOH
HOH
140
B
HOH
99
3
HOH
HOH
141
B
HOH
100
3
HOH
HOH
142
B
HOH
102
3
HOH
HOH
143
B
HOH
105
3
HOH
HOH
144
B
HOH
108
3
HOH
HOH
145
B
HOH
111
3
HOH
HOH
146
B
HOH
112
3
HOH
HOH
147
B
HOH
113
3
HOH
HOH
148
B
HOH
118
3
HOH
HOH
149
B
HOH
121
3
HOH
HOH
150
B
HOH
122
3
HOH
HOH
151
B
HOH
123
3
HOH
HOH
152
B
HOH
125
3
HOH
HOH
153
B
HOH
126
3
HOH
HOH
154
B
HOH
127
3
HOH
HOH
155
B
HOH
130
3
HOH
HOH
156
B
HOH
131
3
HOH
HOH
157
B
HOH
132
3
HOH
HOH
158
B
HOH
133
3
HOH
HOH
159
B
HOH
135
3
HOH
HOH
160
B
HOH
137
3
HOH
HOH
161
B
HOH
138
3
HOH
HOH
162
B
HOH
140
3
HOH
HOH
163
B
HOH
143
3
HOH
HOH
164
B
HOH
144
3
HOH
HOH
165
B
HOH
145
3
HOH
HOH
166
B
HOH
147
3
HOH
HOH
167
B
HOH
150
3
HOH
HOH
168
B
HOH
152
3
HOH
HOH
169
B
HOH
153
3
HOH
HOH
170
B
HOH
154
3
HOH
HOH
171
B
HOH
161
3
HOH
HOH
172
B
HOH
162
3
HOH
HOH
173
B
HOH
164
3
HOH
HOH
174
B
HOH
166
3
HOH
HOH
175
B
HOH
170
3
HOH
HOH
176
B
HOH
171
3
HOH
HOH
177
B
HOH
172
3
HOH
HOH
178
B
HOH
173
3
HOH
HOH
179
B
HOH
174
3
HOH
HOH
180
B
HOH
175
3
HOH
HOH
181
B
HOH
177
3
HOH
HOH
182
B
HOH
178
3
HOH
HOH
183
B
HOH
180
3
HOH
HOH
184
B
HOH
181
3
HOH
HOH
185
B
HOH
183
3
HOH
HOH
186
B
HOH
184
3
HOH
HOH
187
B
HOH
185
3
HOH
HOH
188
B
HOH
188
3
HOH
HOH
189
B
HOH
189
3
HOH
HOH
190
B
HOH
190
3
HOH
HOH
191
B
HOH
193
3
HOH
HOH
192
B
HOH
195
3
HOH
HOH
193
B
HOH
198
3
HOH
HOH
194
B
HOH
202
3
HOH
HOH
195
B
HOH
203
3
HOH
HOH
196
B
HOH
206
3
HOH
HOH
197
B
HOH
207
3
HOH
HOH
198
B
HOH
208
3
HOH
HOH
199
B
HOH
209
3
HOH
HOH
200
B
HOH
211
3
HOH
HOH
201
B
HOH
219
3
HOH
HOH
202
B
HOH
220
3
HOH
HOH
203
B
HOH
221
3
HOH
HOH
204
B
HOH
222
3
HOH
HOH
205
B
HOH
225
3
HOH
HOH
206
B
HOH
226
3
HOH
HOH
207
B
HOH
227
3
HOH
HOH
208
B
HOH
229
3
HOH
HOH
209
B
HOH
231
3
HOH
HOH
210
B
HOH
232
3
HOH
HOH
211
B
HOH
233
3
HOH
HOH
212
B
HOH
234
3
HOH
HOH
213
B
HOH
237
3
HOH
HOH
214
B
HOH
240
3
HOH
HOH
215
B
HOH
242
3
HOH
HOH
216
B
HOH
243
3
HOH
HOH
217
B
HOH
248
3
HOH
HOH
218
B
HOH
250
3
HOH
HOH
219
B
HOH
251
3
HOH
HOH
220
B
HOH
255
3
HOH
HOH
221
B
HOH
257
3
HOH
HOH
222
B
HOH
258
3
HOH
HOH
223
B
HOH
259
3
HOH
HOH
224
B
HOH
266
3
HOH
HOH
225
B
HOH
268
3
HOH
HOH
226
B
HOH
269
3
HOH
HOH
227
B
HOH
270
3
HOH
HOH
228
B
HOH
271
3
HOH
HOH
229
B
HOH
272
3
HOH
HOH
230
B
HOH
273
3
HOH
HOH
231
B
HOH
275
3
HOH
HOH
232
B
HOH
276
3
HOH
HOH
233
B
HOH
277
3
HOH
HOH
234
B
HOH
279
3
HOH
HOH
235
B
HOH
280
3
HOH
HOH
236
B
HOH
281
3
HOH
HOH
237
B
HOH
282
3
HOH
HOH
238
B
HOH
284
3
HOH
HOH
239
B
HOH
286
3
HOH
HOH
240
B
ASP
1
n
1
ASP
1
A
VAL
2
n
2
VAL
2
A
SER
3
n
3
SER
3
A
GLY
4
n
4
GLY
4
A
THR
5
n
5
THR
5
A
VAL
6
n
6
VAL
6
A
CYS
7
n
7
CYS
7
A
LEU
8
n
8
LEU
8
A
SER
9
n
9
SER
9
A
ALA
10
n
10
ALA
10
A
LEU
11
n
11
LEU
11
A
PRO
12
n
12
PRO
12
A
PRO
13
n
13
PRO
13
A
GLU
14
n
14
GLU
14
A
ALA
15
n
15
ALA
15
A
THR
16
n
16
THR
16
A
ASP
17
n
17
ASP
17
A
THR
18
n
18
THR
18
A
LEU
19
n
19
LEU
19
A
ASN
20
n
20
ASN
20
A
LEU
21
n
21
LEU
21
A
ILE
22
n
22
ILE
22
A
ALA
23
n
23
ALA
23
A
SER
24
n
24
SER
24
A
ASP
25
n
25
ASP
25
A
GLY
26
n
26
GLY
26
A
PRO
27
n
27
PRO
27
A
PHE
28
n
28
PHE
28
A
PRO
29
n
29
PRO
29
A
TYR
30
n
30
TYR
30
A
SER
31
n
31
SER
31
A
GLN
32
n
32
GLN
32
A
ASP
33
n
33
ASP
33
A
GLY
34
n
34
GLY
34
A
VAL
35
n
35
VAL
35
A
VAL
36
n
36
VAL
36
A
PHE
37
n
37
PHE
37
A
GLN
38
n
38
GLN
38
A
ASN
39
n
39
ASN
39
A
ARG
40
n
40
ARG
40
A
GLU
41
n
41
GLU
41
A
SER
42
n
42
SER
42
A
VAL
43
n
43
VAL
43
A
LEU
44
n
44
LEU
44
A
PRO
45
n
45
PRO
45
A
THR
46
n
46
THR
46
A
GLN
47
n
47
GLN
47
A
SER
48
n
48
SER
48
A
TYR
49
n
49
TYR
49
A
GLY
50
n
50
GLY
50
A
TYR
51
n
51
TYR
51
A
TYR
52
n
52
TYR
52
A
HIS
53
n
53
HIS
53
A
GLU
54
n
54
GLU
54
A
TYR
55
n
55
TYR
55
A
THR
56
n
56
THR
56
A
VAL
57
n
57
VAL
57
A
ILE
58
n
58
ILE
58
A
THR
59
n
59
THR
59
A
PRO
60
n
60
PRO
60
A
GLY
61
n
61
GLY
61
A
ALA
62
n
62
ALA
62
A
ARG
63
n
63
ARG
63
A
THR
64
n
64
THR
64
A
ARG
65
n
65
ARG
65
A
GLY
66
n
66
GLY
66
A
THR
67
n
67
THR
67
A
ARG
68
n
68
ARG
68
A
ARG
69
n
69
ARG
69
A
ILE
70
n
70
ILE
70
A
ILE
71
n
71
ILE
71
A
THR
72
n
72
THR
72
A
GLY
73
n
73
GLY
73
A
GLU
74
n
74
GLU
74
A
ALA
75
n
75
ALA
75
A
THR
76
n
76
THR
76
A
GLN
77
n
77
GLN
77
A
GLU
78
n
78
GLU
78
A
ASP
79
n
79
ASP
79
A
PHE
80
n
80
PHE
80
A
TYR
81
n
81
TYR
81
A
THR
82
n
82
THR
82
A
GLY
83
n
83
GLY
83
A
ASP
84
n
84
ASP
84
A
HIS
85
n
85
HIS
85
A
TYR
86
n
86
TYR
86
A
ALA
87
n
87
ALA
87
A
THR
88
n
88
THR
88
A
PHE
89
n
89
PHE
89
A
SER
90
n
90
SER
90
A
LEU
91
n
91
LEU
91
A
ILE
92
n
92
ILE
92
A
ASP
93
n
93
ASP
93
A
GLN
94
n
94
GLN
94
A
THR
95
n
95
THR
95
A
CYS
96
n
96
CYS
96
A
ASP
1
n
1
ASP
1
B
VAL
2
n
2
VAL
2
B
SER
3
n
3
SER
3
B
GLY
4
n
4
GLY
4
B
THR
5
n
5
THR
5
B
VAL
6
n
6
VAL
6
B
CYS
7
n
7
CYS
7
B
LEU
8
n
8
LEU
8
B
SER
9
n
9
SER
9
B
ALA
10
n
10
ALA
10
B
LEU
11
n
11
LEU
11
B
PRO
12
n
12
PRO
12
B
PRO
13
n
13
PRO
13
B
GLU
14
n
14
GLU
14
B
ALA
15
n
15
ALA
15
B
THR
16
n
16
THR
16
B
ASP
17
n
17
ASP
17
B
THR
18
n
18
THR
18
B
LEU
19
n
19
LEU
19
B
ASN
20
n
20
ASN
20
B
LEU
21
n
21
LEU
21
B
ILE
22
n
22
ILE
22
B
ALA
23
n
23
ALA
23
B
SER
24
n
24
SER
24
B
ASP
25
n
25
ASP
25
B
GLY
26
n
26
GLY
26
B
PRO
27
n
27
PRO
27
B
PHE
28
n
28
PHE
28
B
PRO
29
n
29
PRO
29
B
TYR
30
n
30
TYR
30
B
SER
31
n
31
SER
31
B
GLN
32
n
32
GLN
32
B
ASP
33
n
33
ASP
33
B
GLY
34
n
34
GLY
34
B
VAL
35
n
35
VAL
35
B
VAL
36
n
36
VAL
36
B
PHE
37
n
37
PHE
37
B
GLN
38
n
38
GLN
38
B
ASN
39
n
39
ASN
39
B
ARG
40
n
40
ARG
40
B
GLU
41
n
41
GLU
41
B
SER
42
n
42
SER
42
B
VAL
43
n
43
VAL
43
B
LEU
44
n
44
LEU
44
B
PRO
45
n
45
PRO
45
B
THR
46
n
46
THR
46
B
GLN
47
n
47
GLN
47
B
SER
48
n
48
SER
48
B
TYR
49
n
49
TYR
49
B
GLY
50
n
50
GLY
50
B
TYR
51
n
51
TYR
51
B
TYR
52
n
52
TYR
52
B
HIS
53
n
53
HIS
53
B
GLU
54
n
54
GLU
54
B
TYR
55
n
55
TYR
55
B
THR
56
n
56
THR
56
B
VAL
57
n
57
VAL
57
B
ILE
58
n
58
ILE
58
B
THR
59
n
59
THR
59
B
PRO
60
n
60
PRO
60
B
GLY
61
n
61
GLY
61
B
ALA
62
n
62
ALA
62
B
ARG
63
n
63
ARG
63
B
THR
64
n
64
THR
64
B
ARG
65
n
65
ARG
65
B
GLY
66
n
66
GLY
66
B
THR
67
n
67
THR
67
B
ARG
68
n
68
ARG
68
B
ARG
69
n
69
ARG
69
B
ILE
70
n
70
ILE
70
B
ILE
71
n
71
ILE
71
B
THR
72
n
72
THR
72
B
GLY
73
n
73
GLY
73
B
GLU
74
n
74
GLU
74
B
ALA
75
n
75
ALA
75
B
THR
76
n
76
THR
76
B
GLN
77
n
77
GLN
77
B
GLU
78
n
78
GLU
78
B
ASP
79
n
79
ASP
79
B
PHE
80
n
80
PHE
80
B
TYR
81
n
81
TYR
81
B
THR
82
n
82
THR
82
B
GLY
83
n
83
GLY
83
B
ASP
84
n
84
ASP
84
B
HIS
85
n
85
HIS
85
B
TYR
86
n
86
TYR
86
B
ALA
87
n
87
ALA
87
B
THR
88
n
88
THR
88
B
PHE
89
n
89
PHE
89
B
SER
90
n
90
SER
90
B
LEU
91
n
91
LEU
91
B
ILE
92
n
92
ILE
92
B
ASP
93
n
93
ASP
93
B
GLN
94
n
94
GLN
94
B
THR
95
n
95
THR
95
B
CYS
96
n
96
CYS
96
B
author_defined_assembly
1
monomeric
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
N
VAL
6
A
N
VAL
6
A
O
LEU
91
A
O
LEU
91
A
N
ILE
92
A
N
ILE
92
A
O
ASP
79
A
O
ASP
79
A
O
THR
82
A
O
THR
82
A
N
ARG
69
A
N
ARG
69
A
N
THR
72
A
N
THR
72
A
O
HIS
53
A
O
HIS
53
B
N
VAL
6
B
N
VAL
6
B
O
LEU
91
B
O
LEU
91
B
N
ILE
92
B
N
ILE
92
B
O
ASP
79
B
O
ASP
79
B
O
THR
82
B
O
THR
82
B
N
ARG
69
B
N
ARG
69
B
N
THR
72
B
N
THR
72
B
O
HIS
53
B
O
HIS
53
B
N
GLU
54
B
N
GLU
54
B
O
VAL
35
B
O
VAL
35
1
B
B
O
O
HOH
HOH
142
226
1.89
1
A
A
OH
O
TYR
HOH
49
524
2.11
1
B
B
O
O
HOH
HOH
135
164
2.16
1
B
B
NE2
O
GLN
HOH
32
208
2.17
1
-15.54
2.20
113.40
97.86
A
A
A
CA
CB
CG
ASP
ASP
ASP
25
25
25
N
1
6.25
0.60
121.00
127.25
A
A
A
CB
CG
CD2
TYR
TYR
TYR
30
30
30
N
1
-5.85
0.60
121.00
115.15
A
A
A
CB
CG
CD1
TYR
TYR
TYR
30
30
30
N
1
-5.62
0.50
120.30
114.68
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
40
40
40
N
1
12.47
1.40
123.60
136.07
A
A
A
CD
NE
CZ
ARG
ARG
ARG
65
65
65
N
1
4.19
0.50
120.30
124.49
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
65
65
65
N
1
-4.59
0.50
120.30
115.71
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
68
68
68
N
1
-13.80
1.20
123.30
109.50
A
A
A
OE1
CD
OE2
GLU
GLU
GLU
74
74
74
N
1
16.60
2.00
118.30
134.90
A
A
A
CG
CD
OE1
GLU
GLU
GLU
74
74
74
N
1
10.75
1.40
123.60
134.35
B
B
B
CD
NE
CZ
ARG
ARG
ARG
63
63
63
N
1
-4.54
0.50
120.30
115.76
B
B
B
NE
CZ
NH2
ARG
ARG
ARG
63
63
63
N
1
4.19
0.50
120.30
124.49
B
B
B
NE
CZ
NH1
ARG
ARG
ARG
65
65
65
N
1
-5.45
0.50
120.30
114.85
B
B
B
NE
CZ
NH2
ARG
ARG
ARG
65
65
65
N
1
-3.59
0.50
120.30
116.71
B
B
B
NE
CZ
NH2
ARG
ARG
ARG
68
68
68
N
1
-3.65
0.60
121.00
117.35
B
B
B
CB
CG
CD2
TYR
TYR
TYR
86
86
86
N
1
10.13
0.60
121.00
131.13
B
B
B
CB
CG
CD1
TYR
TYR
TYR
86
86
86
N
1
-5.46
0.90
118.30
112.84
B
B
B
CB
CG
OD1
ASP
ASP
ASP
93
93
93
N
0.156
0.13
0.132
1.25
19.6
2674
52680
52680
5.0
0.717
0.030
RANDOM
1
STARTING MODEL WAS USED WITHOUT MOLECULAR REPLACEMENT
0.037
0.038
PDB ENTRY 1RGG
ENGH & HUBER
1.25
19.6
287
1805
10
0
1508
0.024
0.020
0.037
0.040
0.040
0.050
1.925
2.000
2.691
3.000
3.030
2.000
4.305
3.000
6.2
7.0
13.4
15.0
13.5
20.0
0.0
15.0
1.26
13.391
1.25
19.65
1I8V
52680
52680
0.057
1
29.0900
6.1
94.3
0.426
1.25
1.26
2.28
83.5
data reduction
DENZO
data scaling
SCALEPACK
model building
STARTING
MODEL WAS USED WITHOUT MOLECULAR REPLACEMENT
refinement
REFMAC
phasing
STARTING
MODEL WAS USED WITHOUT MOLECULAR REPLACEMENT
CRYSTAL STRUCTURE OF RNASE SA Y80F MUTANT
1
N
N
1
N
N
2
N
N
2
N
N
3
N
N
3
N
N
A
SER
9
A
SER
9
HELX_P
A
LEU
11
A
LEU
11
5
1
3
A
PRO
12
A
PRO
12
HELX_P
A
SER
24
A
SER
24
1
2
13
B
SER
9
B
SER
9
HELX_P
B
LEU
11
B
LEU
11
5
3
3
B
PRO
12
B
PRO
12
HELX_P
B
ASP
25
B
ASP
25
1
4
14
disulf
2.019
A
CYS
7
A
SG
CYS
7
1_555
A
CYS
96
A
SG
CYS
96
1_555
disulf
2.017
B
CYS
7
B
SG
CYS
7
1_555
B
CYS
96
B
SG
CYS
96
1_555
HYDROLASE
mutant, HYDROLASE
A
GLY
26
A
GLY
26
1
A
PRO
27
A
PRO
27
0.65
B
GLY
26
B
GLY
26
1
B
PRO
27
B
PRO
27
3.21
RNSA_STRAU
UNP
1
1
P05798
DVSGTVCLSALPPEATDTLNLIASDGPFPYSQDGVVFQNRESVLPTQSYGYYHEYTVITPGARTRGTRRIICGEATQEDY
YTGDHYATFSLIDQTC
1
96
1I8V
1
96
P05798
A
1
1
96
1
96
1I8V
1
96
P05798
B
1
1
96
1
CYS
SEE REMARK 999
THR
72
1I8V
A
P05798
UNP
72
72
1
TYR
engineered mutation
PHE
80
1I8V
A
P05798
UNP
80
80
2
CYS
SEE REMARK 999
THR
72
1I8V
B
P05798
UNP
72
72
2
TYR
engineered mutation
PHE
80
1I8V
B
P05798
UNP
80
80
5
6
parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
THR
5
A
THR
5
A
CYS
7
A
CYS
7
A
SER
90
A
SER
90
A
ASP
93
A
ASP
93
A
ASP
79
A
ASP
79
A
THR
82
A
THR
82
A
ARG
69
A
ARG
69
A
THR
72
A
THR
72
A
HIS
53
A
HIS
53
A
THR
56
A
THR
56
B
THR
5
B
THR
5
B
CYS
7
B
CYS
7
B
SER
90
B
SER
90
B
ASP
93
B
ASP
93
B
ASP
79
B
ASP
79
B
THR
82
B
THR
82
B
ARG
69
B
ARG
69
B
THR
72
B
THR
72
B
HIS
53
B
HIS
53
B
THR
56
B
THR
56
B
VAL
35
B
VAL
35
B
VAL
36
B
VAL
36
BINDING SITE FOR RESIDUE SO4 A 397
A
SO4
397
Software
7
BINDING SITE FOR RESIDUE SO4 A 398
A
SO4
398
Software
9
A
ALA
62
A
ALA
62
7
1_555
A
ARG
63
A
ARG
63
7
1_555
A
THR
64
A
THR
64
7
1_555
A
HOH
467
E
HOH
7
1_555
A
HOH
474
E
HOH
7
1_555
B
PRO
12
B
PRO
12
7
3_655
B
ARG
68
B
ARG
68
7
3_655
A
GLU
54
A
GLU
54
9
1_555
A
ARG
65
A
ARG
65
9
1_555
A
ARG
69
A
ARG
69
9
1_555
A
HIS
85
A
HIS
85
9
1_555
A
TYR
86
A
TYR
86
9
1_555
A
HOH
445
E
HOH
9
1_555
A
HOH
476
E
HOH
9
1_555
A
HOH
483
E
HOH
9
1_555
A
HOH
514
E
HOH
9
1_555
19
P 21 21 21