0.032852
0.000000
0.009259
0.000000
0.026055
0.000000
0.000000
0.000000
0.019485
0.000000
0.000000
0.000000
Berisio, R.
Sica, F.
Lamzin, V.S.
Wilson, K.S.
Zagari, A.
Mazzarella, L.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
2
90.00
105.74
90.00
30.440
38.380
53.320
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
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
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
N
N
305
S
C
N
306
N
C
N
307
N
O
N
308
R
C
N
309
N
O
N
310
N
C
N
311
N
O
N
312
N
H
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
N
N
322
S
C
N
323
N
C
N
324
N
O
N
325
N
C
Y
326
N
C
Y
327
N
C
Y
328
N
C
Y
329
N
C
Y
330
N
C
Y
331
N
C
N
332
N
O
N
333
N
O
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
H
N
341
N
H
N
342
N
H
N
343
N
H
N
344
N
H
N
345
N
N
N
346
S
C
N
347
N
C
N
348
N
O
N
349
N
C
N
350
N
C
N
351
N
C
N
352
N
O
N
353
N
H
N
354
N
H
N
355
N
H
N
356
N
H
N
357
N
H
N
358
N
H
N
359
N
H
N
360
N
H
N
361
N
H
N
362
N
H
N
363
N
H
N
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
sing
N
291
N
sing
N
292
N
sing
N
293
N
sing
N
294
N
sing
N
295
N
sing
N
296
N
doub
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
sing
N
305
N
sing
N
306
N
sing
N
307
N
sing
N
308
N
sing
N
309
N
sing
N
310
N
sing
N
311
N
sing
N
312
N
doub
N
313
N
sing
N
314
N
sing
N
315
N
sing
N
316
N
sing
Y
317
N
doub
Y
318
N
sing
Y
319
N
sing
N
320
N
sing
Y
321
N
doub
N
322
N
sing
Y
323
N
doub
N
324
N
sing
Y
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
sing
N
334
N
sing
N
335
N
sing
N
336
N
doub
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
sing
N
347
N
sing
DK
Acta Crystallogr.,Sect.D
ABCRE6
0766
0907-4449
58
441
450
10.1107/S0907444901021758
11856829
Atomic resolution structures of ribonuclease A at six pH values.
2002
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
292
845
854
10.1006/jmbi.1999.3093
Protein titration in the crystal state
1999
10.2210/pdb1kf8/pdb
pdb_00001kf8
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
298.0
1
AREA DETECTOR
MARRESEARCH
SINGLE WAVELENGTH
M
x-ray
1
1.0
X11
EMBL/DESY, HAMBURG
SYNCHROTRON
EMBL/DESY, HAMBURG BEAMLINE X11
13708.326
pancreatic ribonuclease
3.1.27.5
1
nat
polymer
18.015
water
234
nat
water
RNASE A
no
no
KETAAAKFERQHMDSSTSAASSSNYCNQMMKSRNLTKDRCKPVNTFVHESLADVQAVCSQKNVACKNGQTNCYQSYSTMS
ITDCRETGSSKYPNCAYKTTQANKHIIVACEGNPYVPVHFDASV
KETAAAKFERQHMDSSTSAASSSNYCNQMMKSRNLTKDRCKPVNTFVHESLADVQAVCSQKNVACKNGQTNCYQSYSTMS
ITDCRETGSSKYPNCAYKTTQANKHIIVACEGNPYVPVHFDASV
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
cattle
Bos
sample
9913
pancreas
Bos taurus
1
2.19
43.74
LIQUID DIFFUSION
8.8
2-propanol, pH 8.8, LIQUID DIFFUSION, temperature 298.0K
298.0
chem_comp_atom
chem_comp_bond
database_2
diffrn_source
pdbx_initial_refinement_model
software
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Refinement description
1
0
2001-12-19
1
1
2008-04-27
1
2
2011-07-13
1
3
2023-08-16
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_diffrn_source.pdbx_synchrotron_site
_software.name
1KF2 IS THE ATOMIC RESOLUTION STRUCTURES OF RNASE AT PH 5.2.
1KF3 IS THE ATOMIC RESOLUTION STRUCTURES OF RNASE AT PH 5.9.
1KF4 IS THE ATOMIC RESOLUTION STRUCTURES OF RNASE AT PH 6.3.
1KF5 IS THE ATOMIC RESOLUTION STRUCTURES OF RNASE AT PH 7.1.
1KF7 IS THE ATOMIC RESOLUTION STRUCTURES OF RNASE AT PH 8.0.
RCSB
Y
RCSB
2001-11-19
REL
REL
HOH
water
7RSA
PDB
experimental model
HOH
1
2
HOH
HOH
125
A
HOH
2
2
HOH
HOH
126
A
HOH
3
2
HOH
HOH
127
A
HOH
4
2
HOH
HOH
128
A
HOH
5
2
HOH
HOH
129
A
HOH
6
2
HOH
HOH
130
A
HOH
7
2
HOH
HOH
131
A
HOH
8
2
HOH
HOH
132
A
HOH
9
2
HOH
HOH
133
A
HOH
10
2
HOH
HOH
134
A
HOH
11
2
HOH
HOH
135
A
HOH
12
2
HOH
HOH
136
A
HOH
13
2
HOH
HOH
137
A
HOH
14
2
HOH
HOH
138
A
HOH
15
2
HOH
HOH
139
A
HOH
16
2
HOH
HOH
140
A
HOH
17
2
HOH
HOH
141
A
HOH
18
2
HOH
HOH
142
A
HOH
19
2
HOH
HOH
143
A
HOH
20
2
HOH
HOH
144
A
HOH
21
2
HOH
HOH
145
A
HOH
22
2
HOH
HOH
146
A
HOH
23
2
HOH
HOH
147
A
HOH
24
2
HOH
HOH
148
A
HOH
25
2
HOH
HOH
149
A
HOH
26
2
HOH
HOH
150
A
HOH
27
2
HOH
HOH
151
A
HOH
28
2
HOH
HOH
152
A
HOH
29
2
HOH
HOH
153
A
HOH
30
2
HOH
HOH
154
A
HOH
31
2
HOH
HOH
155
A
HOH
32
2
HOH
HOH
156
A
HOH
33
2
HOH
HOH
157
A
HOH
34
2
HOH
HOH
158
A
HOH
35
2
HOH
HOH
159
A
HOH
36
2
HOH
HOH
160
A
HOH
37
2
HOH
HOH
161
A
HOH
38
2
HOH
HOH
162
A
HOH
39
2
HOH
HOH
163
A
HOH
40
2
HOH
HOH
164
A
HOH
41
2
HOH
HOH
165
A
HOH
43
2
HOH
HOH
166
A
HOH
44
2
HOH
HOH
167
A
HOH
45
2
HOH
HOH
168
A
HOH
46
2
HOH
HOH
169
A
HOH
47
2
HOH
HOH
170
A
HOH
48
2
HOH
HOH
171
A
HOH
49
2
HOH
HOH
172
A
HOH
50
2
HOH
HOH
173
A
HOH
51
2
HOH
HOH
174
A
HOH
52
2
HOH
HOH
175
A
HOH
53
2
HOH
HOH
176
A
HOH
54
2
HOH
HOH
177
A
HOH
55
2
HOH
HOH
178
A
HOH
56
2
HOH
HOH
179
A
HOH
57
2
HOH
HOH
180
A
HOH
58
2
HOH
HOH
181
A
HOH
59
2
HOH
HOH
182
A
HOH
60
2
HOH
HOH
183
A
HOH
61
2
HOH
HOH
184
A
HOH
62
2
HOH
HOH
185
A
HOH
63
2
HOH
HOH
186
A
HOH
64
2
HOH
HOH
187
A
HOH
65
2
HOH
HOH
188
A
HOH
66
2
HOH
HOH
189
A
HOH
67
2
HOH
HOH
190
A
HOH
68
2
HOH
HOH
191
A
HOH
69
2
HOH
HOH
192
A
HOH
70
2
HOH
HOH
193
A
HOH
71
2
HOH
HOH
194
A
HOH
72
2
HOH
HOH
195
A
HOH
73
2
HOH
HOH
196
A
HOH
74
2
HOH
HOH
197
A
HOH
75
2
HOH
HOH
198
A
HOH
76
2
HOH
HOH
199
A
HOH
77
2
HOH
HOH
200
A
HOH
78
2
HOH
HOH
201
A
HOH
79
2
HOH
HOH
202
A
HOH
80
2
HOH
HOH
203
A
HOH
81
2
HOH
HOH
204
A
HOH
82
2
HOH
HOH
205
A
HOH
83
2
HOH
HOH
206
A
HOH
84
2
HOH
HOH
207
A
HOH
85
2
HOH
HOH
208
A
HOH
86
2
HOH
HOH
209
A
HOH
87
2
HOH
HOH
210
A
HOH
88
2
HOH
HOH
211
A
HOH
89
2
HOH
HOH
212
A
HOH
90
2
HOH
HOH
213
A
HOH
91
2
HOH
HOH
214
A
HOH
92
2
HOH
HOH
215
A
HOH
93
2
HOH
HOH
216
A
HOH
94
2
HOH
HOH
217
A
HOH
95
2
HOH
HOH
218
A
HOH
96
2
HOH
HOH
219
A
HOH
97
2
HOH
HOH
220
A
HOH
98
2
HOH
HOH
221
A
HOH
99
2
HOH
HOH
222
A
HOH
100
2
HOH
HOH
223
A
HOH
101
2
HOH
HOH
224
A
HOH
102
2
HOH
HOH
225
A
HOH
103
2
HOH
HOH
226
A
HOH
104
2
HOH
HOH
227
A
HOH
105
2
HOH
HOH
228
A
HOH
106
2
HOH
HOH
229
A
HOH
107
2
HOH
HOH
230
A
HOH
108
2
HOH
HOH
231
A
HOH
109
2
HOH
HOH
232
A
HOH
110
2
HOH
HOH
233
A
HOH
111
2
HOH
HOH
234
A
HOH
112
2
HOH
HOH
235
A
HOH
113
2
HOH
HOH
236
A
HOH
114
2
HOH
HOH
237
A
HOH
115
2
HOH
HOH
238
A
HOH
116
2
HOH
HOH
239
A
HOH
117
2
HOH
HOH
240
A
HOH
118
2
HOH
HOH
241
A
HOH
119
2
HOH
HOH
242
A
HOH
120
2
HOH
HOH
243
A
HOH
121
2
HOH
HOH
244
A
HOH
122
2
HOH
HOH
245
A
HOH
123
2
HOH
HOH
246
A
HOH
124
2
HOH
HOH
247
A
HOH
125
2
HOH
HOH
248
A
HOH
126
2
HOH
HOH
249
A
HOH
127
2
HOH
HOH
250
A
HOH
128
2
HOH
HOH
251
A
HOH
129
2
HOH
HOH
252
A
HOH
130
2
HOH
HOH
253
A
HOH
131
2
HOH
HOH
254
A
HOH
132
2
HOH
HOH
255
A
HOH
133
2
HOH
HOH
256
A
HOH
134
2
HOH
HOH
257
A
HOH
135
2
HOH
HOH
258
A
HOH
136
2
HOH
HOH
259
A
HOH
137
2
HOH
HOH
260
A
HOH
138
2
HOH
HOH
261
A
HOH
139
2
HOH
HOH
262
A
HOH
140
2
HOH
HOH
263
A
HOH
141
2
HOH
HOH
264
A
HOH
142
2
HOH
HOH
265
A
HOH
143
2
HOH
HOH
266
A
HOH
144
2
HOH
HOH
267
A
HOH
145
2
HOH
HOH
268
A
HOH
146
2
HOH
HOH
269
A
HOH
147
2
HOH
HOH
270
A
HOH
148
2
HOH
HOH
271
A
HOH
149
2
HOH
HOH
272
A
HOH
150
2
HOH
HOH
273
A
HOH
151
2
HOH
HOH
274
A
HOH
152
2
HOH
HOH
275
A
HOH
153
2
HOH
HOH
276
A
HOH
154
2
HOH
HOH
277
A
HOH
155
2
HOH
HOH
278
A
HOH
156
2
HOH
HOH
279
A
HOH
157
2
HOH
HOH
280
A
HOH
158
2
HOH
HOH
281
A
HOH
159
2
HOH
HOH
282
A
HOH
160
2
HOH
HOH
283
A
HOH
161
2
HOH
HOH
284
A
HOH
162
2
HOH
HOH
285
A
HOH
163
2
HOH
HOH
286
A
HOH
164
2
HOH
HOH
287
A
HOH
165
2
HOH
HOH
288
A
HOH
166
2
HOH
HOH
289
A
HOH
167
2
HOH
HOH
290
A
HOH
168
2
HOH
HOH
291
A
HOH
169
2
HOH
HOH
292
A
HOH
170
2
HOH
HOH
293
A
HOH
171
2
HOH
HOH
294
A
HOH
172
2
HOH
HOH
295
A
HOH
173
2
HOH
HOH
296
A
HOH
174
2
HOH
HOH
297
A
HOH
175
2
HOH
HOH
298
A
HOH
176
2
HOH
HOH
299
A
HOH
177
2
HOH
HOH
300
A
HOH
178
2
HOH
HOH
301
A
HOH
179
2
HOH
HOH
302
A
HOH
180
2
HOH
HOH
303
A
HOH
181
2
HOH
HOH
304
A
HOH
182
2
HOH
HOH
305
A
HOH
183
2
HOH
HOH
306
A
HOH
184
2
HOH
HOH
307
A
HOH
185
2
HOH
HOH
308
A
HOH
186
2
HOH
HOH
309
A
HOH
187
2
HOH
HOH
310
A
HOH
188
2
HOH
HOH
311
A
HOH
189
2
HOH
HOH
312
A
HOH
190
2
HOH
HOH
313
A
HOH
191
2
HOH
HOH
314
A
HOH
192
2
HOH
HOH
315
A
HOH
193
2
HOH
HOH
316
A
HOH
194
2
HOH
HOH
317
A
HOH
195
2
HOH
HOH
318
A
HOH
196
2
HOH
HOH
319
A
HOH
197
2
HOH
HOH
320
A
HOH
198
2
HOH
HOH
321
A
HOH
199
2
HOH
HOH
322
A
HOH
200
2
HOH
HOH
323
A
HOH
201
2
HOH
HOH
324
A
HOH
202
2
HOH
HOH
325
A
HOH
203
2
HOH
HOH
326
A
HOH
204
2
HOH
HOH
327
A
HOH
205
2
HOH
HOH
328
A
HOH
206
2
HOH
HOH
329
A
HOH
207
2
HOH
HOH
330
A
HOH
208
2
HOH
HOH
331
A
HOH
209
2
HOH
HOH
332
A
HOH
210
2
HOH
HOH
333
A
HOH
211
2
HOH
HOH
334
A
HOH
212
2
HOH
HOH
335
A
HOH
213
2
HOH
HOH
336
A
HOH
214
2
HOH
HOH
337
A
HOH
215
2
HOH
HOH
338
A
HOH
216
2
HOH
HOH
339
A
HOH
217
2
HOH
HOH
340
A
HOH
218
2
HOH
HOH
341
A
HOH
219
2
HOH
HOH
342
A
HOH
220
2
HOH
HOH
343
A
HOH
221
2
HOH
HOH
344
A
HOH
222
2
HOH
HOH
345
A
HOH
223
2
HOH
HOH
346
A
HOH
224
2
HOH
HOH
347
A
HOH
226
2
HOH
HOH
348
A
HOH
227
2
HOH
HOH
349
A
HOH
228
2
HOH
HOH
350
A
HOH
229
2
HOH
HOH
351
A
HOH
230
2
HOH
HOH
352
A
HOH
231
2
HOH
HOH
353
A
HOH
232
2
HOH
HOH
354
A
HOH
234
2
HOH
HOH
355
A
HOH
235
2
HOH
HOH
356
A
HOH
236
2
HOH
HOH
357
A
HOH
237
2
HOH
HOH
358
A
LYS
1
n
1
LYS
1
A
GLU
2
n
2
GLU
2
A
THR
3
n
3
THR
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
SER
16
n
16
SER
16
A
THR
17
n
17
THR
17
A
SER
18
n
18
SER
18
A
ALA
19
n
19
ALA
19
A
ALA
20
n
20
ALA
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
GLN
28
n
28
GLN
28
A
MET
29
n
29
MET
29
A
MET
30
n
30
MET
30
A
LYS
31
n
31
LYS
31
A
SER
32
n
32
SER
32
A
ARG
33
n
33
ARG
33
A
ASN
34
n
34
ASN
34
A
LEU
35
n
35
LEU
35
A
THR
36
n
36
THR
36
A
LYS
37
n
37
LYS
37
A
ASP
38
n
38
ASP
38
A
ARG
39
n
39
ARG
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
GLN
55
n
55
GLN
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
ASN
62
n
62
ASN
62
A
VAL
63
n
63
VAL
63
A
ALA
64
n
64
ALA
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
TYR
76
n
76
TYR
76
A
SER
77
n
77
SER
77
A
THR
78
n
78
THR
78
A
MET
79
n
79
MET
79
A
SER
80
n
80
SER
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
ALA
102
n
102
ALA
102
A
ASN
103
n
103
ASN
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
GLU
111
n
111
GLU
111
A
GLY
112
n
112
GLY
112
A
ASN
113
n
113
ASN
113
A
PRO
114
n
114
PRO
114
A
TYR
115
n
115
TYR
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
0.1
0.1061
35681
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
ASN
44
A
N
ASN
44
A
O
CYS
84
A
O
CYS
84
A
N
ARG
85
A
N
ARG
85
A
O
LYS
98
A
O
LYS
98
A
N
LYS
61
A
N
LYS
61
A
O
GLN
74
A
O
GLN
74
A
N
TYR
73
A
N
TYR
73
A
O
VAL
108
A
O
VAL
108
A
N
ALA
109
A
N
ALA
109
A
O
VAL
118
A
O
VAL
118
1
3.35
0.50
120.30
123.65
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
39
39
39
N
1
-4.56
0.50
120.30
115.74
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
39
39
39
N
1
-13.67
1.80
114.00
100.33
A
A
A
CA
CB
SG
CYS
CYS
CYS
72
72
72
B
B
N
1
-5.67
0.90
118.30
112.63
A
A
A
CB
CG
OD2
ASP
ASP
ASP
83
83
83
B
B
B
N
1
A
HIS
48
-103.32
64.57
1
A
GLN
60
-102.64
-138.73
PLEASE NOTE: CHOH 48 IS ALTERNATIVE ONLY TO THE A CONFORMER OF LYS 41.
0.106
1.15
30.00
11411
41615
41615
14195
1
0.0
0.0
MOLECULAR REPLACEMENT
7rsa
ENGH AND HUBER
MOEWS & KRETSINGER, J.MOL.BIOL.91(1973)201-22
24
899.84
1140.49
1.15
30.00
236
1285
0
0
1049
0.016
0.033
0.17
1.19
4237
14.2
1.15
30.0
1KF8
41621
41621
0.0
0.027
1
24.0
4.7
97.9
0.39
1.15
1.17
3.2
2049
94.9
data reduction
DENZO
data scaling
SCALEPACK
phasing
AMoRE
refinement
SHELXL
Atomic resolution structure of RNase A at pH 8.8
1
N
N
2
N
N
A
THR
3
A
THR
3
HELX_P
A
MET
13
A
MET
13
1
1
11
A
ASN
24
A
ASN
24
HELX_P
A
ARG
33
A
ARG
33
1
2
10
A
SER
50
A
SER
50
HELX_P
A
ALA
56
A
ALA
56
1
3
7
A
VAL
57
A
VAL
57
HELX_P
A
GLN
60
A
GLN
60
5
4
4
disulf
2.022
A
CYS
26
A
SG
CYS
26
1_555
A
CYS
84
A
SG
CYS
84
1_555
disulf
2.019
A
CYS
40
A
SG
CYS
40
1_555
A
CYS
95
A
SG
CYS
95
1_555
disulf
2.000
A
CYS
58
A
SG
CYS
58
1_555
A
CYS
110
A
SG
CYS
110
1_555
disulf
2.015
A
A
A
CYS
65
A
SG
CYS
65
1_555
A
CYS
72
A
SG
CYS
72
1_555
disulf
2.011
B
B
A
CYS
65
A
SG
CYS
65
1_555
A
CYS
72
A
SG
CYS
72
1_555
HYDROLASE
RNase A, titration, pH, crystal, soaking, HYDROLASE
A
TYR
92
A
TYR
92
1
A
PRO
93
A
PRO
93
6.53
A
ASN
113
A
ASN
113
1
A
PRO
114
A
PRO
114
2.14
RNAS1_BOVIN
UNP
1
27
P61823
KETAAAKFERQHMDSSTSAASSSNYCNQMMKSRNLTKDRCKPVNTFVHESLADVQAVCSQKNVACKNGQTNCYQSYSTMS
ITDCRETGSSKYPNCAYKTTQANKHIIVACEGNPYVPVHFDASV
27
150
1KF8
1
124
P61823
A
1
1
124
3
4
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
ILE
106
A
ILE
106
A
GLU
111
A
GLU
111
A
VAL
116
A
VAL
116
A
SER
123
A
SER
123
4
P 1 21 1