0.011325
0.000000
0.000111
0.000000
0.013812
0.000000
0.000000
0.000000
0.019532
0.00000
0.00000
0.00000
Ha, N.-C.
Kim, M.-S.
Oh, B.-H.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
90.56
90.00
88.300
72.400
51.200
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
C18 H18 O2
266.334
EQUILENIN
non-polymer
C5 H10 N2 O3
146.144
y
GLUTAMINE
L-peptide linking
C5 H9 N O4
147.129
y
GLUTAMIC ACID
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C6 H10 N3 O2 1
156.162
y
HISTIDINE
L-peptide linking
H2 O
18.015
WATER
non-polymer
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C6 H15 N2 O2 1
147.195
y
LYSINE
L-peptide linking
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C5 H9 N O2
115.130
y
PROLINE
L-peptide linking
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
C11 H12 N2 O2
204.225
y
TRYPTOPHAN
L-peptide linking
C9 H11 N O3
181.189
y
TYROSINE
L-peptide linking
C5 H11 N O2
117.146
y
VALINE
L-peptide linking
N
1
N
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
Y
88
N
C
Y
89
N
C
Y
90
N
C
Y
91
N
C
Y
92
N
C
Y
93
N
C
Y
94
N
C
Y
95
N
C
Y
96
N
C
Y
97
N
C
N
98
R
C
N
99
S
C
N
100
N
C
N
101
N
C
N
102
N
C
N
103
N
C
N
104
N
C
N
105
N
C
N
106
N
O
N
107
N
O
N
108
N
H
N
109
N
H
N
110
N
H
N
111
N
H
N
112
N
H
N
113
N
H
N
114
N
H
N
115
N
H
N
116
N
H
N
117
N
H
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
N
N
127
S
C
N
128
N
C
N
129
N
O
N
130
N
C
N
131
N
C
N
132
N
C
N
133
N
O
N
134
N
N
N
135
N
O
N
136
N
H
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
N
N
147
S
C
N
148
N
C
N
149
N
O
N
150
N
C
N
151
N
C
N
152
N
C
N
153
N
O
N
154
N
O
N
155
N
O
N
156
N
H
N
157
N
H
N
158
N
H
N
159
N
H
N
160
N
H
N
161
N
H
N
162
N
H
N
163
N
H
N
164
N
H
N
165
N
N
N
166
N
C
N
167
N
C
N
168
N
O
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
N
N
176
S
C
N
177
N
C
N
178
N
O
N
179
N
C
Y
180
N
C
Y
181
N
N
Y
182
N
C
Y
183
N
C
Y
184
N
N
N
185
N
O
N
186
N
H
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
O
N
197
N
H
N
198
N
H
N
199
N
N
N
200
S
C
N
201
N
C
N
202
N
O
N
203
S
C
N
204
N
C
N
205
N
C
N
206
N
C
N
207
N
O
N
208
N
H
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
N
N
222
S
C
N
223
N
C
N
224
N
O
N
225
N
C
N
226
N
C
N
227
N
C
N
228
N
C
N
229
N
O
N
230
N
H
N
231
N
H
N
232
N
H
N
233
N
H
N
234
N
H
N
235
N
H
N
236
N
H
N
237
N
H
N
238
N
H
N
239
N
H
N
240
N
H
N
241
N
H
N
242
N
H
N
243
N
N
N
244
S
C
N
245
N
C
N
246
N
O
N
247
N
C
N
248
N
C
N
249
N
C
N
250
N
C
N
251
N
N
N
252
N
O
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
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
N
N
269
S
C
N
270
N
C
N
271
N
O
N
272
N
C
N
273
N
C
N
274
N
S
N
275
N
C
N
276
N
O
N
277
N
H
N
278
N
H
N
279
N
H
N
280
N
H
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
N
N
289
S
C
N
290
N
C
N
291
N
O
N
292
N
C
Y
293
N
C
Y
294
N
C
Y
295
N
C
Y
296
N
C
Y
297
N
C
Y
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
H
N
310
N
H
N
311
N
N
N
312
S
C
N
313
N
C
N
314
N
O
N
315
N
C
N
316
N
C
N
317
N
C
N
318
N
O
N
319
N
H
N
320
N
H
N
321
N
H
N
322
N
H
N
323
N
H
N
324
N
H
N
325
N
H
N
326
N
H
N
327
N
H
N
328
N
N
N
329
S
C
N
330
N
C
N
331
N
O
N
332
N
C
N
333
N
O
N
334
N
O
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
N
N
343
S
C
N
344
N
C
N
345
N
O
N
346
R
C
N
347
N
O
N
348
N
C
N
349
N
O
N
350
N
H
N
351
N
H
N
352
N
H
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
N
N
360
S
C
N
361
N
C
N
362
N
O
N
363
N
C
Y
364
N
C
Y
365
N
C
Y
366
N
C
Y
367
N
N
Y
368
N
C
Y
369
N
C
Y
370
N
C
Y
371
N
C
Y
372
N
C
N
373
N
O
N
374
N
H
N
375
N
H
N
376
N
H
N
377
N
H
N
378
N
H
N
379
N
H
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
N
N
387
S
C
N
388
N
C
N
389
N
O
N
390
N
C
Y
391
N
C
Y
392
N
C
Y
393
N
C
Y
394
N
C
Y
395
N
C
Y
396
N
C
N
397
N
O
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
410
N
N
N
411
S
C
N
412
N
C
N
413
N
O
N
414
N
C
N
415
N
C
N
416
N
C
N
417
N
O
N
418
N
H
N
419
N
H
N
420
N
H
N
421
N
H
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
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
Y
83
N
doub
Y
84
N
sing
N
85
N
sing
Y
86
N
sing
N
87
N
sing
Y
88
N
doub
Y
89
N
sing
Y
90
N
sing
Y
91
N
sing
Y
92
N
doub
N
93
N
sing
N
94
N
sing
Y
95
N
doub
N
96
N
sing
Y
97
N
sing
N
98
N
sing
Y
99
N
doub
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
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
sing
N
117
N
sing
N
118
N
sing
N
119
N
doub
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
sing
N
130
N
doub
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
sing
N
138
N
doub
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
sing
N
149
N
doub
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
doub
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
sing
N
167
N
doub
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
doub
N
177
N
sing
N
178
N
sing
N
179
N
sing
N
180
N
sing
Y
181
N
sing
Y
182
N
doub
Y
183
N
doub
N
184
N
sing
Y
185
N
sing
N
186
N
sing
Y
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
doub
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
sing
N
220
N
doub
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
sing
N
241
N
doub
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
sing
N
265
N
doub
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
sing
N
274
N
sing
N
275
N
sing
N
276
N
sing
N
277
N
sing
N
278
N
sing
N
279
N
sing
N
280
N
sing
N
281
N
sing
N
282
N
sing
N
283
N
sing
N
284
N
doub
N
285
N
sing
N
286
N
sing
N
287
N
sing
N
288
N
sing
Y
289
N
doub
Y
290
N
sing
Y
291
N
sing
N
292
N
sing
Y
293
N
doub
N
294
N
sing
Y
295
N
doub
N
296
N
sing
Y
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
doub
N
308
N
sing
N
309
N
sing
N
310
N
sing
N
311
N
sing
N
312
N
sing
N
313
N
sing
N
314
N
sing
N
315
N
sing
N
316
N
sing
N
317
N
sing
N
318
N
sing
N
319
N
sing
N
320
N
sing
N
321
N
sing
N
322
N
sing
N
323
N
sing
N
324
N
doub
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
sing
N
334
N
sing
N
335
N
sing
N
336
N
sing
N
337
N
doub
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
N
348
N
sing
N
349
N
sing
N
350
N
sing
N
351
N
sing
N
352
N
sing
N
353
N
doub
N
354
N
sing
N
355
N
sing
N
356
N
sing
N
357
N
sing
Y
358
N
doub
Y
359
N
sing
Y
360
N
sing
N
361
N
sing
Y
362
N
doub
Y
363
N
sing
Y
364
N
sing
N
365
N
sing
Y
366
N
sing
Y
367
N
doub
N
368
N
sing
Y
369
N
doub
N
370
N
sing
Y
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
doub
N
382
N
sing
N
383
N
sing
N
384
N
sing
N
385
N
sing
Y
386
N
doub
Y
387
N
sing
Y
388
N
sing
N
389
N
sing
Y
390
N
doub
N
391
N
sing
Y
392
N
doub
N
393
N
sing
Y
394
N
sing
N
395
N
sing
N
396
N
sing
N
397
N
sing
N
398
N
sing
N
399
N
sing
N
400
N
sing
N
401
N
sing
N
402
N
sing
N
403
N
sing
N
404
N
sing
N
405
N
doub
N
406
N
sing
N
407
N
sing
N
408
N
sing
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
US
J.Biol.Chem.
JBCHA3
0071
0021-9258
275
41100
10.1074/JBC.M007561200
11007792
Detection of Large Pka Perturbation of an Inhibitor and a Catalytic Group at an Enzyme Active Site, a Mechanistic Basis for Catalytic Power of Many Enzymes
2000
10.2210/pdb1ogx/pdb
pdb_00001ogx
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
295.0
1
IMAGE PLATE
MACSCIENCE
GRAPHITE
SINGLE WAVELENGTH
M
x-ray
1
1.5418
1.0
1.5418
ROTATING ANODE
MACSCIENCE M18X
COMPLEXED WITH EQUILENIN
14547.515
STEROID DELTA-ISOMERASE
5.3.3.1
YES
2
man
polymer
266.334
EQUILENIN
2
syn
non-polymer
18.015
water
77
nat
water
DELTA-5-3-KETOSTEROID ISOMERASE
no
no
MNLPTAQEVQGLMARYIELVDVGDIEAIVQMYADDATVENPFGQPPIHGREQIAAFYRQGLGGGKVRACLTGPVRASHNG
CGAMPFRVEMVWNGQPCALDVIDVMRFDEHGRIQTMQAYWSEVNLSVREPQ
MNLPTAQEVQGLMARYIELVDVGDIEAIVQMYADDATVENPFGQPPIHGREQIAAFYRQGLGGGKVRACLTGPVRASHNG
CGAMPFRVEMVWNGQPCALDVIDVMRFDEHGRIQTMQAYWSEVNLSVREPQ
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
n
n
n
n
n
n
n
sample
303
PSEUDOMONAS PUTIDA
469008
ESCHERICHIA COLI
BL21(DE3)
1
2.81
56.26
6.50
pH 6.50
diffrn_source
chem_comp_atom
chem_comp_bond
database_2
pdbx_database_status
pdbx_initial_refinement_model
repository
Initial release
Version format compliance
Version format compliance
Data collection
Data collection
Database references
Other
Refinement description
1
0
2003-05-20
1
1
2011-05-08
1
2
2011-07-13
1
3
2018-04-04
1
4
2023-12-13
_diffrn_source.type
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_pdbx_database_status.status_code_sf
2003-05-20
SPRSDE
CRYSTAL STRUCTURE OF A MUTANT R75A IN KETOSTEROID ISOMERASE FROM PSEDOMONAS PUTIDA BIOTYPE B
CRYSTAL STRUCTURES OF MUTANT ENZYMES Y57F OF KETOSTEROID ISOMERASE FROM PSEUDOMONAS PUTIDA BIOTYPE B
CRYSTAL STRUCTURE OF MUTANT ENZYME Y32F/Y57F OF KETOSTEROID ISOMERASE FROM PSEUDOMONAS PUTIDA BIOTYPE B
CRYSTAL STRUCTURE OF MUTANT ENZYME Y32F OF KETOSTEROID ISOMERASE FROM PSEUDOMONAS PUTIDA BIOTYPE B
CRYSTAL STRUCTURE OF KETOSTEROID ISOMERASE MUTANT D40N (D38N TI NUMBERING) FROM PSEUDOMONAS PUTIDA COMPLEXED WITH ANDROSTEN- 3BETA-OL-17-ONE
CRYSTAL STRUCTURE OF KETOSTEROID ISOMERASE FROM PSEDOMONAS PUTIDA COMPLEXED WITH DEOXYCHOLATE
CRYSTAL STRUCTURE OF KETOSTEROID ISOMERASE FROM PSEUDOMONAS PUTIDA ; TRIPLE MUTANT Y16F/ Y32F/Y57F
PSEUDOREVERSION OF THE CATALYTIC ACTIVITY OF Y14F BY THE ADDITIONAL TYROSIN- TO - PHENYLALANINE SUBSTITUTION(S) IN THE HYDROGEN BOND NETWORK OF %D5-3-KETOSTEROID ISOMERASE FROM PHEUDOMONAS PUTIDA BIOTYPE B
HIGH RESOLUTION CRYSTAL STRUCTURE OF PI DELTA-5-3-KETOSTEROID ISOMERASE MUTANTS Y30F /Y55F/Y115F/D38N (Y32F/Y57F/Y119F/D40N, PI NUMBERING)COMPLEXED WITH EQUILENIN AT 2. 1 A RESOLUTION
CRYSTAL STRUCTURE OF KSI Y57S MUTANT
KSI
CRYSTAL STRUCTURE OF KETOSTEROID ISOMERASE COMPLEXED WITH INHIBITOR
SHEET
THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN
ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW,
TWO SHEETS ARE DEFINED.
PDBE
Y
PDBE
2003-05-17
REL
REL
EQU
EQUILENIN
HOH
water
1E3N
PDB ENTRY 1E3N
PDB
experimental model
EQU
1128
2
EQU
EQU
1128
A
EQU
1328
2
EQU
EQU
1328
B
HOH
2001
3
HOH
HOH
2001
A
HOH
2002
3
HOH
HOH
2002
A
HOH
2003
3
HOH
HOH
2003
A
HOH
2004
3
HOH
HOH
2004
A
HOH
2005
3
HOH
HOH
2005
A
HOH
2006
3
HOH
HOH
2006
A
HOH
2007
3
HOH
HOH
2007
A
HOH
2008
3
HOH
HOH
2008
A
HOH
2009
3
HOH
HOH
2009
A
HOH
2010
3
HOH
HOH
2010
A
HOH
2011
3
HOH
HOH
2011
A
HOH
2012
3
HOH
HOH
2012
A
HOH
2013
3
HOH
HOH
2013
A
HOH
2014
3
HOH
HOH
2014
A
HOH
2015
3
HOH
HOH
2015
A
HOH
2016
3
HOH
HOH
2016
A
HOH
2017
3
HOH
HOH
2017
A
HOH
2018
3
HOH
HOH
2018
A
HOH
2019
3
HOH
HOH
2019
A
HOH
2020
3
HOH
HOH
2020
A
HOH
2021
3
HOH
HOH
2021
A
HOH
2022
3
HOH
HOH
2022
A
HOH
2023
3
HOH
HOH
2023
A
HOH
2024
3
HOH
HOH
2024
A
HOH
2025
3
HOH
HOH
2025
A
HOH
2026
3
HOH
HOH
2026
A
HOH
2027
3
HOH
HOH
2027
A
HOH
2028
3
HOH
HOH
2028
A
HOH
2029
3
HOH
HOH
2029
A
HOH
2030
3
HOH
HOH
2030
A
HOH
2031
3
HOH
HOH
2031
A
HOH
2032
3
HOH
HOH
2032
A
HOH
2033
3
HOH
HOH
2033
A
HOH
2034
3
HOH
HOH
2034
A
HOH
2035
3
HOH
HOH
2035
A
HOH
2036
3
HOH
HOH
2036
A
HOH
2037
3
HOH
HOH
2037
A
HOH
2038
3
HOH
HOH
2038
A
HOH
2039
3
HOH
HOH
2039
A
HOH
2040
3
HOH
HOH
2040
A
HOH
2001
3
HOH
HOH
2001
B
HOH
2002
3
HOH
HOH
2002
B
HOH
2003
3
HOH
HOH
2003
B
HOH
2004
3
HOH
HOH
2004
B
HOH
2005
3
HOH
HOH
2005
B
HOH
2006
3
HOH
HOH
2006
B
HOH
2007
3
HOH
HOH
2007
B
HOH
2008
3
HOH
HOH
2008
B
HOH
2009
3
HOH
HOH
2009
B
HOH
2010
3
HOH
HOH
2010
B
HOH
2011
3
HOH
HOH
2011
B
HOH
2012
3
HOH
HOH
2012
B
HOH
2013
3
HOH
HOH
2013
B
HOH
2014
3
HOH
HOH
2014
B
HOH
2015
3
HOH
HOH
2015
B
HOH
2016
3
HOH
HOH
2016
B
HOH
2017
3
HOH
HOH
2017
B
HOH
2018
3
HOH
HOH
2018
B
HOH
2019
3
HOH
HOH
2019
B
HOH
2020
3
HOH
HOH
2020
B
HOH
2021
3
HOH
HOH
2021
B
HOH
2022
3
HOH
HOH
2022
B
HOH
2023
3
HOH
HOH
2023
B
HOH
2024
3
HOH
HOH
2024
B
HOH
2025
3
HOH
HOH
2025
B
HOH
2026
3
HOH
HOH
2026
B
HOH
2027
3
HOH
HOH
2027
B
HOH
2028
3
HOH
HOH
2028
B
HOH
2029
3
HOH
HOH
2029
B
HOH
2030
3
HOH
HOH
2030
B
HOH
2031
3
HOH
HOH
2031
B
HOH
2032
3
HOH
HOH
2032
B
HOH
2033
3
HOH
HOH
2033
B
HOH
2034
3
HOH
HOH
2034
B
HOH
2035
3
HOH
HOH
2035
B
HOH
2036
3
HOH
HOH
2036
B
HOH
2037
3
HOH
HOH
2037
B
n
1
1
A
ASN
2
n
2
ASN
2
A
LEU
3
n
3
LEU
3
A
PRO
4
n
4
PRO
4
A
THR
5
n
5
THR
5
A
ALA
6
n
6
ALA
6
A
GLN
7
n
7
GLN
7
A
GLU
8
n
8
GLU
8
A
VAL
9
n
9
VAL
9
A
GLN
10
n
10
GLN
10
A
GLY
11
n
11
GLY
11
A
LEU
12
n
12
LEU
12
A
MET
13
n
13
MET
13
A
ALA
14
n
14
ALA
14
A
ARG
15
n
15
ARG
15
A
TYR
16
n
16
TYR
16
A
ILE
17
n
17
ILE
17
A
GLU
18
n
18
GLU
18
A
LEU
19
n
19
LEU
19
A
VAL
20
n
20
VAL
20
A
ASP
21
n
21
ASP
21
A
VAL
22
n
22
VAL
22
A
GLY
23
n
23
GLY
23
A
ASP
24
n
24
ASP
24
A
ILE
25
n
25
ILE
25
A
GLU
26
n
26
GLU
26
A
ALA
27
n
27
ALA
27
A
ILE
28
n
28
ILE
28
A
VAL
29
n
29
VAL
29
A
GLN
30
n
30
GLN
30
A
MET
31
n
31
MET
31
A
TYR
32
n
32
TYR
32
A
ALA
33
n
33
ALA
33
A
ASP
34
n
34
ASP
34
A
ASP
35
n
35
ASP
35
A
ALA
36
n
36
ALA
36
A
THR
37
n
37
THR
37
A
VAL
38
n
38
VAL
38
A
GLU
39
n
39
GLU
39
A
ASN
40
n
40
ASN
40
A
PRO
41
n
41
PRO
41
A
PHE
42
n
42
PHE
42
A
GLY
43
n
43
GLY
43
A
GLN
44
n
44
GLN
44
A
PRO
45
n
45
PRO
45
A
PRO
46
n
46
PRO
46
A
ILE
47
n
47
ILE
47
A
HIS
48
n
48
HIS
48
A
GLY
49
n
49
GLY
49
A
ARG
50
n
50
ARG
50
A
GLU
51
n
51
GLU
51
A
GLN
52
n
52
GLN
52
A
ILE
53
n
53
ILE
53
A
ALA
54
n
54
ALA
54
A
ALA
55
n
55
ALA
55
A
PHE
56
n
56
PHE
56
A
TYR
57
n
57
TYR
57
A
ARG
58
n
58
ARG
58
A
GLN
59
n
59
GLN
59
A
GLY
60
n
60
GLY
60
A
LEU
61
n
61
LEU
61
A
GLY
62
n
62
GLY
62
A
GLY
63
n
63
GLY
63
A
GLY
64
n
64
GLY
64
A
LYS
65
n
65
LYS
65
A
VAL
66
n
66
VAL
66
A
ARG
67
n
67
ARG
67
A
ALA
68
n
68
ALA
68
A
CYS
69
n
69
CYS
69
A
LEU
70
n
70
LEU
70
A
THR
71
n
71
THR
71
A
GLY
72
n
72
GLY
72
A
PRO
73
n
73
PRO
73
A
VAL
74
n
74
VAL
74
A
ARG
75
n
75
ARG
75
A
ALA
76
n
76
ALA
76
A
SER
77
n
77
SER
77
A
HIS
78
n
78
HIS
78
A
ASN
79
n
79
ASN
79
A
GLY
80
n
80
GLY
80
A
CYS
81
n
81
CYS
81
A
GLY
82
n
82
GLY
82
A
ALA
83
n
83
ALA
83
A
MET
84
n
84
MET
84
A
PRO
85
n
85
PRO
85
A
PHE
86
n
86
PHE
86
A
ARG
87
n
87
ARG
87
A
VAL
88
n
88
VAL
88
A
GLU
89
n
89
GLU
89
A
MET
90
n
90
MET
90
A
VAL
91
n
91
VAL
91
A
TRP
92
n
92
TRP
92
A
ASN
93
n
93
ASN
93
A
GLY
94
n
94
GLY
94
A
GLN
95
n
95
GLN
95
A
PRO
96
n
96
PRO
96
A
CYS
97
n
97
CYS
97
A
ALA
98
n
98
ALA
98
A
LEU
99
n
99
LEU
99
A
ASP
100
n
100
ASP
100
A
VAL
101
n
101
VAL
101
A
ILE
102
n
102
ILE
102
A
ASP
103
n
103
ASP
103
A
VAL
104
n
104
VAL
104
A
MET
105
n
105
MET
105
A
ARG
106
n
106
ARG
106
A
PHE
107
n
107
PHE
107
A
ASP
108
n
108
ASP
108
A
GLU
109
n
109
GLU
109
A
HIS
110
n
110
HIS
110
A
GLY
111
n
111
GLY
111
A
ARG
112
n
112
ARG
112
A
ILE
113
n
113
ILE
113
A
GLN
114
n
114
GLN
114
A
THR
115
n
115
THR
115
A
MET
116
n
116
MET
116
A
GLN
117
n
117
GLN
117
A
ALA
118
n
118
ALA
118
A
TYR
119
n
119
TYR
119
A
TRP
120
n
120
TRP
120
A
SER
121
n
121
SER
121
A
GLU
122
n
122
GLU
122
A
VAL
123
n
123
VAL
123
A
ASN
124
n
124
ASN
124
A
LEU
125
n
125
LEU
125
A
SER
126
n
126
SER
126
A
VAL
127
n
127
VAL
127
A
n
128
128
A
n
129
129
A
n
130
130
A
n
131
131
A
n
1
201
B
ASN
202
n
2
ASN
202
B
LEU
203
n
3
LEU
203
B
PRO
204
n
4
PRO
204
B
THR
205
n
5
THR
205
B
ALA
206
n
6
ALA
206
B
GLN
207
n
7
GLN
207
B
GLU
208
n
8
GLU
208
B
VAL
209
n
9
VAL
209
B
GLN
210
n
10
GLN
210
B
GLY
211
n
11
GLY
211
B
LEU
212
n
12
LEU
212
B
MET
213
n
13
MET
213
B
ALA
214
n
14
ALA
214
B
ARG
215
n
15
ARG
215
B
TYR
216
n
16
TYR
216
B
ILE
217
n
17
ILE
217
B
GLU
218
n
18
GLU
218
B
LEU
219
n
19
LEU
219
B
VAL
220
n
20
VAL
220
B
ASP
221
n
21
ASP
221
B
VAL
222
n
22
VAL
222
B
GLY
223
n
23
GLY
223
B
ASP
224
n
24
ASP
224
B
ILE
225
n
25
ILE
225
B
GLU
226
n
26
GLU
226
B
ALA
227
n
27
ALA
227
B
ILE
228
n
28
ILE
228
B
VAL
229
n
29
VAL
229
B
GLN
230
n
30
GLN
230
B
MET
231
n
31
MET
231
B
TYR
232
n
32
TYR
232
B
ALA
233
n
33
ALA
233
B
ASP
234
n
34
ASP
234
B
ASP
235
n
35
ASP
235
B
ALA
236
n
36
ALA
236
B
THR
237
n
37
THR
237
B
VAL
238
n
38
VAL
238
B
GLU
239
n
39
GLU
239
B
ASN
240
n
40
ASN
240
B
PRO
241
n
41
PRO
241
B
PHE
242
n
42
PHE
242
B
GLY
243
n
43
GLY
243
B
GLN
244
n
44
GLN
244
B
PRO
245
n
45
PRO
245
B
PRO
246
n
46
PRO
246
B
ILE
247
n
47
ILE
247
B
HIS
248
n
48
HIS
248
B
GLY
249
n
49
GLY
249
B
ARG
250
n
50
ARG
250
B
GLU
251
n
51
GLU
251
B
GLN
252
n
52
GLN
252
B
ILE
253
n
53
ILE
253
B
ALA
254
n
54
ALA
254
B
ALA
255
n
55
ALA
255
B
PHE
256
n
56
PHE
256
B
TYR
257
n
57
TYR
257
B
ARG
258
n
58
ARG
258
B
GLN
259
n
59
GLN
259
B
GLY
260
n
60
GLY
260
B
LEU
261
n
61
LEU
261
B
GLY
262
n
62
GLY
262
B
GLY
263
n
63
GLY
263
B
GLY
264
n
64
GLY
264
B
LYS
265
n
65
LYS
265
B
VAL
266
n
66
VAL
266
B
ARG
267
n
67
ARG
267
B
ALA
268
n
68
ALA
268
B
CYS
269
n
69
CYS
269
B
LEU
270
n
70
LEU
270
B
THR
271
n
71
THR
271
B
GLY
272
n
72
GLY
272
B
PRO
273
n
73
PRO
273
B
VAL
274
n
74
VAL
274
B
ARG
275
n
75
ARG
275
B
ALA
276
n
76
ALA
276
B
SER
277
n
77
SER
277
B
HIS
278
n
78
HIS
278
B
ASN
279
n
79
ASN
279
B
GLY
280
n
80
GLY
280
B
CYS
281
n
81
CYS
281
B
GLY
282
n
82
GLY
282
B
ALA
283
n
83
ALA
283
B
MET
284
n
84
MET
284
B
PRO
285
n
85
PRO
285
B
PHE
286
n
86
PHE
286
B
ARG
287
n
87
ARG
287
B
VAL
288
n
88
VAL
288
B
GLU
289
n
89
GLU
289
B
MET
290
n
90
MET
290
B
VAL
291
n
91
VAL
291
B
TRP
292
n
92
TRP
292
B
ASN
293
n
93
ASN
293
B
GLY
294
n
94
GLY
294
B
GLN
295
n
95
GLN
295
B
PRO
296
n
96
PRO
296
B
CYS
297
n
97
CYS
297
B
ALA
298
n
98
ALA
298
B
LEU
299
n
99
LEU
299
B
ASP
300
n
100
ASP
300
B
VAL
301
n
101
VAL
301
B
ILE
302
n
102
ILE
302
B
ASP
303
n
103
ASP
303
B
VAL
304
n
104
VAL
304
B
MET
305
n
105
MET
305
B
ARG
306
n
106
ARG
306
B
PHE
307
n
107
PHE
307
B
ASP
308
n
108
ASP
308
B
GLU
309
n
109
GLU
309
B
HIS
310
n
110
HIS
310
B
GLY
311
n
111
GLY
311
B
ARG
312
n
112
ARG
312
B
ILE
313
n
113
ILE
313
B
GLN
314
n
114
GLN
314
B
THR
315
n
115
THR
315
B
MET
316
n
116
MET
316
B
GLN
317
n
117
GLN
317
B
ALA
318
n
118
ALA
318
B
TYR
319
n
119
TYR
319
B
TRP
320
n
120
TRP
320
B
SER
321
n
121
SER
321
B
GLU
322
n
122
GLU
322
B
VAL
323
n
123
VAL
323
B
ASN
324
n
124
ASN
324
B
LEU
325
n
125
LEU
325
B
SER
326
n
126
SER
326
B
VAL
327
n
127
VAL
327
B
n
128
328
B
n
129
329
B
n
130
330
B
n
131
331
B
author_and_software_defined_assembly
PQS
2
dimeric
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
ILE
47
A
N
ILE
47
A
O
VAL
38
A
O
VAL
38
A
N
ALA
33
A
N
ALA
33
A
O
ILE
113
A
O
ILE
113
A
N
TYR
119
A
N
TYR
119
A
O
ILE
102
A
O
ILE
102
A
N
MET
105
A
N
MET
105
A
O
GLY
82
A
O
GLY
82
A
N
ILE
47
A
N
ILE
47
A
O
VAL
38
A
O
VAL
38
A
N
ALA
33
A
N
ALA
33
A
O
ILE
113
A
O
ILE
113
A
N
TYR
119
A
N
TYR
119
A
O
ILE
102
A
O
ILE
102
A
N
ALA
98
A
N
ALA
98
A
O
SER
126
A
O
SER
126
B
N
ILE
247
B
N
ILE
47
B
O
VAL
238
B
O
VAL
38
B
N
ALA
233
B
N
ALA
33
B
O
ILE
313
B
O
ILE
113
B
N
TYR
319
B
N
TYR
119
B
O
ILE
302
B
O
ILE
102
B
N
MET
305
B
N
MET
105
B
O
GLY
282
B
O
GLY
82
B
N
ILE
247
B
N
ILE
47
B
O
VAL
238
B
O
VAL
38
B
N
ALA
233
B
N
ALA
33
B
O
ILE
313
B
O
ILE
113
B
N
TYR
319
B
N
TYR
119
B
O
ILE
302
B
O
ILE
102
B
N
ALA
298
B
N
ALA
98
B
O
SER
326
B
O
SER
126
1
A
CG
ASN
2
A
CG
ASN
2
1
Y
1
A
OD1
ASN
2
A
OD1
ASN
2
1
Y
1
A
ND2
ASN
2
A
ND2
ASN
2
1
Y
1
B
CG
ASN
202
B
CG
ASN
2
1
Y
1
B
OD1
ASN
202
B
OD1
ASN
2
1
Y
1
B
ND2
ASN
202
B
ND2
ASN
2
1
Y
1
A
MET
1
A
MET
1
1
Y
1
A
ARG
128
A
ARG
128
1
Y
1
A
GLU
129
A
GLU
129
1
Y
1
A
PRO
130
A
PRO
130
1
Y
1
A
GLN
131
A
GLN
131
1
Y
1
B
MET
201
B
MET
1
1
Y
1
B
ARG
328
B
ARG
128
1
Y
1
B
GLU
329
B
GLU
129
1
Y
1
B
PRO
330
B
PRO
130
1
Y
1
B
GLN
331
B
GLN
131
1
Y
1
B
B
HH12
H1
ARG
HOH
275
2026
1.26
1
A
A
OG
H2
SER
HOH
126
2040
1.56
1
A
MET
90
-147.63
-157.51
1
A
TRP
120
178.85
164.52
N-TERMINAL AND C-TERMINAL RESIDUES WERE NOT OBSERVED IN THE ELECTRON DENSITY MAP
0.255
0.198
0.198
2.0
8.0
18694
5.0
93.4
RANDOM
1
THROUGHOUT
1
MOLECULAR REPLACEMENT
PDB ENTRY 1E3N
2.0
8.0
77
2055
40
0
1938
0.011
1.371
2.000
20.000
1OGX
21213
1.000
0.06100
1
5.200
93.4
refinement
CNS
3.8
data reduction
DENZO
data scaling
SCALEPACK
High Resolution Crystal Structure Of Ketosteroid Isomerase Mutant D40N(D38N, Ti Numbering) from Pseudomonas putida Complexed With Equilenin At 2.0 A Resolution.
1
N
N
1
N
N
2
N
N
2
N
N
3
N
N
3
N
N
A
THR
5
A
THR
5
HELX_P
A
GLY
23
A
GLY
23
1
1
19
A
ASP
24
A
ASP
24
HELX_P
A
GLN
30
A
GLN
30
1
2
7
A
GLY
49
A
GLY
49
HELX_P
A
LEU
61
A
LEU
61
1
3
13
A
SER
121
A
SER
121
HELX_P
A
VAL
123
A
VAL
123
5
4
3
B
THR
205
B
THR
5
HELX_P
B
GLY
223
B
GLY
23
1
5
19
B
ASP
224
B
ASP
24
HELX_P
B
GLN
230
B
GLN
30
1
6
7
B
GLY
249
B
GLY
49
HELX_P
B
GLY
262
B
GLY
62
1
7
14
B
SER
321
B
SER
121
HELX_P
B
VAL
323
B
VAL
123
5
8
3
ISOMERASE
ISOMERASE, KETOSTEROID ISOMERASE, KSI, EQUILENIN, PI, LBHB
A
ASN
40
A
ASN
40
1
A
PRO
41
A
PRO
41
0.17
B
ASN
240
B
ASN
40
1
B
PRO
241
B
PRO
41
0.12
SDIS_PSEPU
UNP
1
P07445
1
131
1OGX
1
131
P07445
A
1
1
131
1
131
1OGX
201
331
P07445
B
1
1
131
1
ASP
engineered mutation
ASN
40
1OGX
A
P07445
UNP
40
40
2
ASP
engineered mutation
ASN
240
1OGX
B
P07445
UNP
40
40
5
5
5
5
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
anti-parallel
A
ILE
47
A
ILE
47
A
HIS
48
A
HIS
48
A
TYR
32
A
TYR
32
A
GLU
39
A
GLU
39
A
ILE
113
A
ILE
113
A
TYR
119
A
TYR
119
A
GLN
95
A
GLN
95
A
PHE
107
A
PHE
107
A
CYS
81
A
CYS
81
A
TRP
92
A
TRP
92
A
ILE
47
A
ILE
47
A
HIS
48
A
HIS
48
A
TYR
32
A
TYR
32
A
GLU
39
A
GLU
39
A
ILE
113
A
ILE
113
A
TYR
119
A
TYR
119
A
GLN
95
A
GLN
95
A
PHE
107
A
PHE
107
A
LEU
125
A
LEU
125
A
SER
126
A
SER
126
B
ILE
247
B
ILE
47
B
HIS
248
B
HIS
48
B
TYR
232
B
TYR
32
B
GLU
239
B
GLU
39
B
ILE
313
B
ILE
113
B
TYR
319
B
TYR
119
B
GLN
295
B
GLN
95
B
PHE
307
B
PHE
107
B
CYS
281
B
CYS
81
B
TRP
292
B
TRP
92
B
ILE
247
B
ILE
47
B
HIS
248
B
HIS
48
B
TYR
232
B
TYR
32
B
GLU
239
B
GLU
39
B
ILE
313
B
ILE
113
B
TYR
319
B
TYR
119
B
GLN
295
B
GLN
95
B
PHE
307
B
PHE
107
B
LEU
325
B
LEU
125
B
SER
326
B
SER
126
BINDING SITE FOR RESIDUE EQU A1128
Software
7
BINDING SITE FOR RESIDUE EQU B1328
Software
6
A
TYR
16
A
TYR
16
7
1_555
A
ASN
40
A
ASN
40
7
1_555
A
MET
90
A
MET
90
7
1_555
A
ASP
103
A
ASP
103
7
1_555
A
MET
116
A
MET
116
7
1_555
A
TRP
120
A
TRP
120
7
1_555
B
ASN
293
B
ASN
93
7
1_555
B
TYR
216
B
TYR
16
6
1_555
B
ASN
240
B
ASN
40
6
1_555
B
PHE
286
B
PHE
86
6
1_555
B
MET
290
B
MET
90
6
1_555
B
ASP
303
B
ASP
103
6
1_555
B
TRP
320
B
TRP
120
6
1_555
5
C 1 2 1