0.016499
0.000000
0.000000
0.000000
0.015521
0.000000
0.000000
0.000000
0.014160
0.00000
0.00000
0.00000
Luckett, S.
Garcia, R.S.
Barker, J.J.
Konarev, A.V.
Shewry, P.
Clarke, A.R.
Brady, R.L.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
4
90.00
90.00
90.00
60.610
64.430
70.620
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
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C5 H9 N O2
115.130
y
PROLINE
L-peptide linking
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
O4 S -2
96.063
SULFATE ION
non-polymer
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
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
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
290
525
533
10.1006/jmbi.1999.2891
10390350
High-resolution structure of a potent, cyclic proteinase inhibitor from sunflower seeds.
1999
10.2210/pdb1sfi/pdb
pdb_00001sfi
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
100
1
MIRRORS
IMAGE PLATE
1998-05
SI(111)
M
x-ray
1
1.448
1.0
PX7.2
SRS
1.448
SYNCHROTRON
SRS BEAMLINE PX7.2
23324.287
TRYPSIN
3.4.21.4
1
nat
polymer
CYCLIC PEPTIDE
1535.829
Trypsin inhibitor 1
1
nat
polymer
96.063
SULFATE ION
3
syn
non-polymer
40.078
CALCIUM ION
1
syn
non-polymer
18.015
water
376
nat
water
SFTI-1
no
no
IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNT
LNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNM
FCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN
IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEGNEQFISASKSIVHPSYNSNT
LNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKSAYPGQITSNM
FCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTIASN
A
polypeptide(L)
no
no
GRCTKSIPPICFPD
GRCTKSIPPICFPD
I
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
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
Common sunflower
Helianthus
sample
4232
SEED
Helianthus annuus
SUNBRED 246
ENDOSPERM
1
2.75
54.8
8.0
pH 8.0
database_2
pdbx_initial_refinement_model
pdbx_struct_conn_angle
struct_conn
repository
Initial release
Version format compliance
Atomic model
Database references
Derived calculations
Non-polymer description
Structure summary
Version format compliance
Structure summary
Database references
Derived calculations
Refinement description
1
0
1999-07-09
1
1
2008-03-03
1
2
2011-07-13
1
3
2016-11-09
1
4
2023-08-09
_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.pdbx_leaving_atom_flag
_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
Y
BNL
1998-12-16
REL
SO4
SULFATE ION
CA
CALCIUM ION
HOH
water
CYCLIC PEPTIDE BOUND TO ACTIVE SITE OF TRYPSIN
NO 3'-TERMINAL RESIDUE, CYCLIC PEPTIDE
1TLD
PDB
experimental model
Trypsin inhibitor
Trypsin inhibitor 1
Polypeptide
SO4
1
3
SO4
SO4
301
A
SO4
2
3
SO4
SO4
302
A
SO4
3
3
SO4
SO4
303
A
CA
1
4
CA
CA
304
A
HOH
1
5
HOH
HOH
401
A
HOH
2
5
HOH
HOH
402
A
HOH
3
5
HOH
HOH
403
A
HOH
4
5
HOH
HOH
404
A
HOH
5
5
HOH
HOH
405
A
HOH
6
5
HOH
HOH
406
A
HOH
7
5
HOH
HOH
407
A
HOH
8
5
HOH
HOH
408
A
HOH
9
5
HOH
HOH
409
A
HOH
10
5
HOH
HOH
410
A
HOH
11
5
HOH
HOH
411
A
HOH
12
5
HOH
HOH
412
A
HOH
13
5
HOH
HOH
413
A
HOH
14
5
HOH
HOH
414
A
HOH
15
5
HOH
HOH
415
A
HOH
16
5
HOH
HOH
416
A
HOH
17
5
HOH
HOH
417
A
HOH
18
5
HOH
HOH
418
A
HOH
19
5
HOH
HOH
419
A
HOH
20
5
HOH
HOH
420
A
HOH
21
5
HOH
HOH
421
A
HOH
22
5
HOH
HOH
422
A
HOH
23
5
HOH
HOH
423
A
HOH
24
5
HOH
HOH
424
A
HOH
25
5
HOH
HOH
425
A
HOH
26
5
HOH
HOH
426
A
HOH
27
5
HOH
HOH
427
A
HOH
28
5
HOH
HOH
428
A
HOH
29
5
HOH
HOH
429
A
HOH
30
5
HOH
HOH
430
A
HOH
31
5
HOH
HOH
431
A
HOH
32
5
HOH
HOH
432
A
HOH
33
5
HOH
HOH
433
A
HOH
34
5
HOH
HOH
434
A
HOH
35
5
HOH
HOH
435
A
HOH
36
5
HOH
HOH
436
A
HOH
37
5
HOH
HOH
437
A
HOH
38
5
HOH
HOH
438
A
HOH
39
5
HOH
HOH
439
A
HOH
41
5
HOH
HOH
440
A
HOH
42
5
HOH
HOH
441
A
HOH
43
5
HOH
HOH
442
A
HOH
44
5
HOH
HOH
443
A
HOH
45
5
HOH
HOH
444
A
HOH
46
5
HOH
HOH
445
A
HOH
47
5
HOH
HOH
446
A
HOH
48
5
HOH
HOH
447
A
HOH
49
5
HOH
HOH
448
A
HOH
50
5
HOH
HOH
449
A
HOH
51
5
HOH
HOH
450
A
HOH
52
5
HOH
HOH
451
A
HOH
53
5
HOH
HOH
452
A
HOH
54
5
HOH
HOH
453
A
HOH
55
5
HOH
HOH
454
A
HOH
56
5
HOH
HOH
455
A
HOH
57
5
HOH
HOH
456
A
HOH
58
5
HOH
HOH
457
A
HOH
59
5
HOH
HOH
458
A
HOH
60
5
HOH
HOH
459
A
HOH
61
5
HOH
HOH
460
A
HOH
62
5
HOH
HOH
461
A
HOH
63
5
HOH
HOH
462
A
HOH
64
5
HOH
HOH
463
A
HOH
65
5
HOH
HOH
464
A
HOH
66
5
HOH
HOH
465
A
HOH
67
5
HOH
HOH
466
A
HOH
68
5
HOH
HOH
467
A
HOH
69
5
HOH
HOH
468
A
HOH
70
5
HOH
HOH
469
A
HOH
71
5
HOH
HOH
470
A
HOH
72
5
HOH
HOH
471
A
HOH
73
5
HOH
HOH
472
A
HOH
74
5
HOH
HOH
473
A
HOH
75
5
HOH
HOH
474
A
HOH
76
5
HOH
HOH
475
A
HOH
77
5
HOH
HOH
476
A
HOH
78
5
HOH
HOH
477
A
HOH
79
5
HOH
HOH
478
A
HOH
80
5
HOH
HOH
479
A
HOH
81
5
HOH
HOH
480
A
HOH
82
5
HOH
HOH
481
A
HOH
83
5
HOH
HOH
482
A
HOH
84
5
HOH
HOH
483
A
HOH
85
5
HOH
HOH
484
A
HOH
86
5
HOH
HOH
485
A
HOH
87
5
HOH
HOH
486
A
HOH
88
5
HOH
HOH
487
A
HOH
89
5
HOH
HOH
488
A
HOH
90
5
HOH
HOH
489
A
HOH
91
5
HOH
HOH
490
A
HOH
92
5
HOH
HOH
491
A
HOH
93
5
HOH
HOH
492
A
HOH
94
5
HOH
HOH
493
A
HOH
95
5
HOH
HOH
494
A
HOH
96
5
HOH
HOH
495
A
HOH
97
5
HOH
HOH
496
A
HOH
98
5
HOH
HOH
497
A
HOH
99
5
HOH
HOH
498
A
HOH
100
5
HOH
HOH
499
A
HOH
101
5
HOH
HOH
500
A
HOH
102
5
HOH
HOH
501
A
HOH
103
5
HOH
HOH
502
A
HOH
104
5
HOH
HOH
503
A
HOH
105
5
HOH
HOH
504
A
HOH
106
5
HOH
HOH
505
A
HOH
107
5
HOH
HOH
506
A
HOH
108
5
HOH
HOH
507
A
HOH
109
5
HOH
HOH
508
A
HOH
110
5
HOH
HOH
509
A
HOH
111
5
HOH
HOH
510
A
HOH
112
5
HOH
HOH
511
A
HOH
113
5
HOH
HOH
512
A
HOH
114
5
HOH
HOH
513
A
HOH
115
5
HOH
HOH
514
A
HOH
116
5
HOH
HOH
515
A
HOH
117
5
HOH
HOH
516
A
HOH
118
5
HOH
HOH
517
A
HOH
119
5
HOH
HOH
518
A
HOH
120
5
HOH
HOH
519
A
HOH
121
5
HOH
HOH
520
A
HOH
122
5
HOH
HOH
521
A
HOH
123
5
HOH
HOH
522
A
HOH
126
5
HOH
HOH
523
A
HOH
128
5
HOH
HOH
524
A
HOH
129
5
HOH
HOH
525
A
HOH
130
5
HOH
HOH
526
A
HOH
131
5
HOH
HOH
527
A
HOH
132
5
HOH
HOH
528
A
HOH
133
5
HOH
HOH
529
A
HOH
134
5
HOH
HOH
530
A
HOH
135
5
HOH
HOH
531
A
HOH
136
5
HOH
HOH
532
A
HOH
137
5
HOH
HOH
533
A
HOH
138
5
HOH
HOH
534
A
HOH
139
5
HOH
HOH
535
A
HOH
140
5
HOH
HOH
536
A
HOH
141
5
HOH
HOH
537
A
HOH
142
5
HOH
HOH
538
A
HOH
143
5
HOH
HOH
539
A
HOH
144
5
HOH
HOH
540
A
HOH
145
5
HOH
HOH
541
A
HOH
146
5
HOH
HOH
542
A
HOH
147
5
HOH
HOH
543
A
HOH
148
5
HOH
HOH
544
A
HOH
150
5
HOH
HOH
545
A
HOH
151
5
HOH
HOH
546
A
HOH
153
5
HOH
HOH
547
A
HOH
154
5
HOH
HOH
548
A
HOH
155
5
HOH
HOH
549
A
HOH
156
5
HOH
HOH
550
A
HOH
157
5
HOH
HOH
551
A
HOH
158
5
HOH
HOH
552
A
HOH
159
5
HOH
HOH
553
A
HOH
160
5
HOH
HOH
554
A
HOH
161
5
HOH
HOH
555
A
HOH
162
5
HOH
HOH
556
A
HOH
163
5
HOH
HOH
557
A
HOH
164
5
HOH
HOH
558
A
HOH
165
5
HOH
HOH
559
A
HOH
166
5
HOH
HOH
560
A
HOH
167
5
HOH
HOH
561
A
HOH
168
5
HOH
HOH
562
A
HOH
169
5
HOH
HOH
563
A
HOH
170
5
HOH
HOH
564
A
HOH
171
5
HOH
HOH
565
A
HOH
172
5
HOH
HOH
566
A
HOH
173
5
HOH
HOH
567
A
HOH
174
5
HOH
HOH
568
A
HOH
175
5
HOH
HOH
569
A
HOH
176
5
HOH
HOH
570
A
HOH
177
5
HOH
HOH
571
A
HOH
178
5
HOH
HOH
572
A
HOH
179
5
HOH
HOH
573
A
HOH
180
5
HOH
HOH
574
A
HOH
181
5
HOH
HOH
575
A
HOH
182
5
HOH
HOH
576
A
HOH
183
5
HOH
HOH
577
A
HOH
184
5
HOH
HOH
578
A
HOH
185
5
HOH
HOH
579
A
HOH
186
5
HOH
HOH
580
A
HOH
187
5
HOH
HOH
581
A
HOH
188
5
HOH
HOH
582
A
HOH
190
5
HOH
HOH
583
A
HOH
191
5
HOH
HOH
584
A
HOH
192
5
HOH
HOH
585
A
HOH
193
5
HOH
HOH
586
A
HOH
194
5
HOH
HOH
587
A
HOH
195
5
HOH
HOH
588
A
HOH
196
5
HOH
HOH
589
A
HOH
197
5
HOH
HOH
590
A
HOH
198
5
HOH
HOH
591
A
HOH
199
5
HOH
HOH
592
A
HOH
200
5
HOH
HOH
593
A
HOH
201
5
HOH
HOH
594
A
HOH
202
5
HOH
HOH
595
A
HOH
203
5
HOH
HOH
596
A
HOH
204
5
HOH
HOH
597
A
HOH
205
5
HOH
HOH
598
A
HOH
206
5
HOH
HOH
599
A
HOH
207
5
HOH
HOH
600
A
HOH
208
5
HOH
HOH
601
A
HOH
209
5
HOH
HOH
602
A
HOH
210
5
HOH
HOH
603
A
HOH
211
5
HOH
HOH
604
A
HOH
212
5
HOH
HOH
605
A
HOH
213
5
HOH
HOH
606
A
HOH
214
5
HOH
HOH
607
A
HOH
215
5
HOH
HOH
608
A
HOH
216
5
HOH
HOH
609
A
HOH
217
5
HOH
HOH
610
A
HOH
218
5
HOH
HOH
611
A
HOH
219
5
HOH
HOH
612
A
HOH
220
5
HOH
HOH
613
A
HOH
221
5
HOH
HOH
614
A
HOH
222
5
HOH
HOH
615
A
HOH
223
5
HOH
HOH
616
A
HOH
224
5
HOH
HOH
617
A
HOH
225
5
HOH
HOH
618
A
HOH
226
5
HOH
HOH
619
A
HOH
227
5
HOH
HOH
620
A
HOH
228
5
HOH
HOH
621
A
HOH
229
5
HOH
HOH
622
A
HOH
230
5
HOH
HOH
623
A
HOH
231
5
HOH
HOH
624
A
HOH
232
5
HOH
HOH
625
A
HOH
233
5
HOH
HOH
626
A
HOH
234
5
HOH
HOH
627
A
HOH
235
5
HOH
HOH
628
A
HOH
236
5
HOH
HOH
629
A
HOH
237
5
HOH
HOH
630
A
HOH
238
5
HOH
HOH
631
A
HOH
239
5
HOH
HOH
632
A
HOH
240
5
HOH
HOH
633
A
HOH
241
5
HOH
HOH
634
A
HOH
242
5
HOH
HOH
635
A
HOH
243
5
HOH
HOH
636
A
HOH
244
5
HOH
HOH
637
A
HOH
245
5
HOH
HOH
638
A
HOH
246
5
HOH
HOH
639
A
HOH
247
5
HOH
HOH
640
A
HOH
250
5
HOH
HOH
641
A
HOH
251
5
HOH
HOH
642
A
HOH
252
5
HOH
HOH
643
A
HOH
253
5
HOH
HOH
644
A
HOH
254
5
HOH
HOH
645
A
HOH
255
5
HOH
HOH
646
A
HOH
256
5
HOH
HOH
647
A
HOH
257
5
HOH
HOH
648
A
HOH
258
5
HOH
HOH
649
A
HOH
259
5
HOH
HOH
650
A
HOH
260
5
HOH
HOH
651
A
HOH
261
5
HOH
HOH
652
A
HOH
262
5
HOH
HOH
653
A
HOH
263
5
HOH
HOH
654
A
HOH
264
5
HOH
HOH
655
A
HOH
265
5
HOH
HOH
656
A
HOH
266
5
HOH
HOH
657
A
HOH
267
5
HOH
HOH
658
A
HOH
268
5
HOH
HOH
659
A
HOH
269
5
HOH
HOH
660
A
HOH
270
5
HOH
HOH
661
A
HOH
271
5
HOH
HOH
662
A
HOH
272
5
HOH
HOH
663
A
HOH
273
5
HOH
HOH
664
A
HOH
274
5
HOH
HOH
665
A
HOH
275
5
HOH
HOH
666
A
HOH
276
5
HOH
HOH
667
A
HOH
277
5
HOH
HOH
668
A
HOH
278
5
HOH
HOH
669
A
HOH
279
5
HOH
HOH
670
A
HOH
280
5
HOH
HOH
671
A
HOH
281
5
HOH
HOH
672
A
HOH
282
5
HOH
HOH
673
A
HOH
283
5
HOH
HOH
674
A
HOH
284
5
HOH
HOH
675
A
HOH
285
5
HOH
HOH
676
A
HOH
286
5
HOH
HOH
677
A
HOH
287
5
HOH
HOH
678
A
HOH
288
5
HOH
HOH
679
A
HOH
289
5
HOH
HOH
680
A
HOH
290
5
HOH
HOH
681
A
HOH
291
5
HOH
HOH
682
A
HOH
292
5
HOH
HOH
683
A
HOH
293
5
HOH
HOH
684
A
HOH
294
5
HOH
HOH
685
A
HOH
295
5
HOH
HOH
686
A
HOH
296
5
HOH
HOH
687
A
HOH
297
5
HOH
HOH
688
A
HOH
298
5
HOH
HOH
689
A
HOH
299
5
HOH
HOH
690
A
HOH
300
5
HOH
HOH
691
A
HOH
301
5
HOH
HOH
692
A
HOH
302
5
HOH
HOH
693
A
HOH
303
5
HOH
HOH
694
A
HOH
304
5
HOH
HOH
695
A
HOH
305
5
HOH
HOH
696
A
HOH
306
5
HOH
HOH
697
A
HOH
307
5
HOH
HOH
698
A
HOH
308
5
HOH
HOH
699
A
HOH
312
5
HOH
HOH
700
A
HOH
313
5
HOH
HOH
701
A
HOH
314
5
HOH
HOH
702
A
HOH
315
5
HOH
HOH
703
A
HOH
316
5
HOH
HOH
704
A
HOH
317
5
HOH
HOH
705
A
HOH
318
5
HOH
HOH
706
A
HOH
319
5
HOH
HOH
707
A
HOH
320
5
HOH
HOH
708
A
HOH
321
5
HOH
HOH
709
A
HOH
322
5
HOH
HOH
710
A
HOH
323
5
HOH
HOH
711
A
HOH
324
5
HOH
HOH
712
A
HOH
325
5
HOH
HOH
713
A
HOH
326
5
HOH
HOH
714
A
HOH
327
5
HOH
HOH
715
A
HOH
328
5
HOH
HOH
716
A
HOH
329
5
HOH
HOH
717
A
HOH
330
5
HOH
HOH
718
A
HOH
331
5
HOH
HOH
719
A
HOH
332
5
HOH
HOH
720
A
HOH
333
5
HOH
HOH
721
A
HOH
334
5
HOH
HOH
722
A
HOH
335
5
HOH
HOH
723
A
HOH
337
5
HOH
HOH
724
A
HOH
338
5
HOH
HOH
725
A
HOH
339
5
HOH
HOH
726
A
HOH
342
5
HOH
HOH
727
A
HOH
344
5
HOH
HOH
728
A
HOH
345
5
HOH
HOH
729
A
HOH
346
5
HOH
HOH
730
A
HOH
347
5
HOH
HOH
731
A
HOH
348
5
HOH
HOH
732
A
HOH
349
5
HOH
HOH
733
A
HOH
350
5
HOH
HOH
734
A
HOH
351
5
HOH
HOH
735
A
HOH
352
5
HOH
HOH
736
A
HOH
353
5
HOH
HOH
737
A
HOH
354
5
HOH
HOH
738
A
HOH
355
5
HOH
HOH
739
A
HOH
356
5
HOH
HOH
740
A
HOH
357
5
HOH
HOH
741
A
HOH
358
5
HOH
HOH
742
A
HOH
359
5
HOH
HOH
743
A
HOH
360
5
HOH
HOH
744
A
HOH
361
5
HOH
HOH
745
A
HOH
362
5
HOH
HOH
746
A
HOH
363
5
HOH
HOH
747
A
HOH
364
5
HOH
HOH
748
A
HOH
365
5
HOH
HOH
749
A
HOH
366
5
HOH
HOH
750
A
HOH
367
5
HOH
HOH
751
A
HOH
368
5
HOH
HOH
752
A
HOH
369
5
HOH
HOH
753
A
HOH
370
5
HOH
HOH
754
A
HOH
371
5
HOH
HOH
755
A
HOH
372
5
HOH
HOH
756
A
HOH
373
5
HOH
HOH
757
A
HOH
152
5
HOH
HOH
101
I
HOH
189
5
HOH
HOH
102
I
HOH
40
5
HOH
HOH
103
I
HOH
124
5
HOH
HOH
104
I
HOH
125
5
HOH
HOH
105
I
HOH
127
5
HOH
HOH
106
I
HOH
149
5
HOH
HOH
107
I
HOH
248
5
HOH
HOH
108
I
HOH
249
5
HOH
HOH
109
I
HOH
309
5
HOH
HOH
110
I
HOH
310
5
HOH
HOH
111
I
HOH
311
5
HOH
HOH
112
I
HOH
336
5
HOH
HOH
113
I
HOH
340
5
HOH
HOH
114
I
HOH
341
5
HOH
HOH
115
I
HOH
343
5
HOH
HOH
116
I
HOH
374
5
HOH
HOH
117
I
HOH
375
5
HOH
HOH
118
I
HOH
376
5
HOH
HOH
119
I
ILE
16
n
1
ILE
16
A
VAL
17
n
2
VAL
17
A
GLY
18
n
3
GLY
18
A
GLY
19
n
4
GLY
19
A
TYR
20
n
5
TYR
20
A
THR
21
n
6
THR
21
A
CYS
22
n
7
CYS
22
A
GLY
23
n
8
GLY
23
A
ALA
24
n
9
ALA
24
A
ASN
25
n
10
ASN
25
A
THR
26
n
11
THR
26
A
VAL
27
n
12
VAL
27
A
PRO
28
n
13
PRO
28
A
TYR
29
n
14
TYR
29
A
GLN
30
n
15
GLN
30
A
VAL
31
n
16
VAL
31
A
SER
32
n
17
SER
32
A
LEU
33
n
18
LEU
33
A
ASN
34
n
19
ASN
34
A
SER
37
n
20
SER
37
A
GLY
38
n
21
GLY
38
A
TYR
39
n
22
TYR
39
A
HIS
40
n
23
HIS
40
A
PHE
41
n
24
PHE
41
A
CYS
42
n
25
CYS
42
A
GLY
43
n
26
GLY
43
A
GLY
44
n
27
GLY
44
A
SER
45
n
28
SER
45
A
LEU
46
n
29
LEU
46
A
ILE
47
n
30
ILE
47
A
ASN
48
n
31
ASN
48
A
SER
49
n
32
SER
49
A
GLN
50
n
33
GLN
50
A
TRP
51
n
34
TRP
51
A
VAL
52
n
35
VAL
52
A
VAL
53
n
36
VAL
53
A
SER
54
n
37
SER
54
A
ALA
55
n
38
ALA
55
A
ALA
56
n
39
ALA
56
A
HIS
57
n
40
HIS
57
A
CYS
58
n
41
CYS
58
A
TYR
59
n
42
TYR
59
A
LYS
60
n
43
LYS
60
A
SER
61
n
44
SER
61
A
GLY
62
n
45
GLY
62
A
ILE
63
n
46
ILE
63
A
GLN
64
n
47
GLN
64
A
VAL
65
n
48
VAL
65
A
ARG
66
n
49
ARG
66
A
LEU
67
n
50
LEU
67
A
GLY
69
n
51
GLY
69
A
GLU
70
n
52
GLU
70
A
ASP
71
n
53
ASP
71
A
ASN
72
n
54
ASN
72
A
ILE
73
n
55
ILE
73
A
ASN
74
n
56
ASN
74
A
VAL
75
n
57
VAL
75
A
VAL
76
n
58
VAL
76
A
GLU
77
n
59
GLU
77
A
GLY
78
n
60
GLY
78
A
ASN
79
n
61
ASN
79
A
GLU
80
n
62
GLU
80
A
GLN
81
n
63
GLN
81
A
PHE
82
n
64
PHE
82
A
ILE
83
n
65
ILE
83
A
SER
84
n
66
SER
84
A
ALA
85
n
67
ALA
85
A
SER
86
n
68
SER
86
A
LYS
87
n
69
LYS
87
A
SER
88
n
70
SER
88
A
ILE
89
n
71
ILE
89
A
VAL
90
n
72
VAL
90
A
HIS
91
n
73
HIS
91
A
PRO
92
n
74
PRO
92
A
SER
93
n
75
SER
93
A
TYR
94
n
76
TYR
94
A
ASN
95
n
77
ASN
95
A
SER
96
n
78
SER
96
A
ASN
97
n
79
ASN
97
A
THR
98
n
80
THR
98
A
LEU
99
n
81
LEU
99
A
ASN
100
n
82
ASN
100
A
ASN
101
n
83
ASN
101
A
ASP
102
n
84
ASP
102
A
ILE
103
n
85
ILE
103
A
MET
104
n
86
MET
104
A
LEU
105
n
87
LEU
105
A
ILE
106
n
88
ILE
106
A
LYS
107
n
89
LYS
107
A
LEU
108
n
90
LEU
108
A
LYS
109
n
91
LYS
109
A
SER
110
n
92
SER
110
A
ALA
111
n
93
ALA
111
A
ALA
112
n
94
ALA
112
A
SER
113
n
95
SER
113
A
LEU
114
n
96
LEU
114
A
ASN
115
n
97
ASN
115
A
SER
116
n
98
SER
116
A
ARG
117
n
99
ARG
117
A
VAL
118
n
100
VAL
118
A
ALA
119
n
101
ALA
119
A
SER
120
n
102
SER
120
A
ILE
121
n
103
ILE
121
A
SER
122
n
104
SER
122
A
LEU
123
n
105
LEU
123
A
PRO
124
n
106
PRO
124
A
THR
125
n
107
THR
125
A
SER
127
n
108
SER
127
A
CYS
128
n
109
CYS
128
A
ALA
129
n
110
ALA
129
A
SER
130
n
111
SER
130
A
ALA
132
n
112
ALA
132
A
GLY
133
n
113
GLY
133
A
THR
134
n
114
THR
134
A
GLN
135
n
115
GLN
135
A
CYS
136
n
116
CYS
136
A
LEU
137
n
117
LEU
137
A
ILE
138
n
118
ILE
138
A
SER
139
n
119
SER
139
A
GLY
140
n
120
GLY
140
A
TRP
141
n
121
TRP
141
A
GLY
142
n
122
GLY
142
A
ASN
143
n
123
ASN
143
A
THR
144
n
124
THR
144
A
LYS
145
n
125
LYS
145
A
SER
146
n
126
SER
146
A
SER
147
n
127
SER
147
A
GLY
148
n
128
GLY
148
A
THR
149
n
129
THR
149
A
SER
150
n
130
SER
150
A
TYR
151
n
131
TYR
151
A
PRO
152
n
132
PRO
152
A
ASP
153
n
133
ASP
153
A
VAL
154
n
134
VAL
154
A
LEU
155
n
135
LEU
155
A
LYS
156
n
136
LYS
156
A
CYS
157
n
137
CYS
157
A
LEU
158
n
138
LEU
158
A
LYS
159
n
139
LYS
159
A
ALA
160
n
140
ALA
160
A
PRO
161
n
141
PRO
161
A
ILE
162
n
142
ILE
162
A
LEU
163
n
143
LEU
163
A
SER
164
n
144
SER
164
A
ASP
165
n
145
ASP
165
A
SER
166
n
146
SER
166
A
SER
167
n
147
SER
167
A
CYS
168
n
148
CYS
168
A
LYS
169
n
149
LYS
169
A
SER
170
n
150
SER
170
A
ALA
171
n
151
ALA
171
A
TYR
172
n
152
TYR
172
A
PRO
173
n
153
PRO
173
A
GLY
174
n
154
GLY
174
A
GLN
175
n
155
GLN
175
A
ILE
176
n
156
ILE
176
A
THR
177
n
157
THR
177
A
SER
178
n
158
SER
178
A
ASN
179
n
159
ASN
179
A
MET
180
n
160
MET
180
A
PHE
181
n
161
PHE
181
A
CYS
182
n
162
CYS
182
A
ALA
183
n
163
ALA
183
A
GLY
184
n
164
A
GLY
184
A
TYR
184
n
165
TYR
184
A
LEU
185
n
166
LEU
185
A
GLU
186
n
167
GLU
186
A
GLY
187
n
168
GLY
187
A
GLY
188
n
169
A
GLY
188
A
LYS
188
n
170
LYS
188
A
ASP
189
n
171
ASP
189
A
SER
190
n
172
SER
190
A
CYS
191
n
173
CYS
191
A
GLN
192
n
174
GLN
192
A
GLY
193
n
175
GLY
193
A
ASP
194
n
176
ASP
194
A
SER
195
n
177
SER
195
A
GLY
196
n
178
GLY
196
A
GLY
197
n
179
GLY
197
A
PRO
198
n
180
PRO
198
A
VAL
199
n
181
VAL
199
A
VAL
200
n
182
VAL
200
A
CYS
201
n
183
CYS
201
A
SER
202
n
184
SER
202
A
GLY
203
n
185
GLY
203
A
LYS
204
n
186
LYS
204
A
LEU
209
n
187
LEU
209
A
GLN
210
n
188
GLN
210
A
GLY
211
n
189
GLY
211
A
ILE
212
n
190
ILE
212
A
VAL
213
n
191
VAL
213
A
SER
214
n
192
SER
214
A
TRP
215
n
193
TRP
215
A
GLY
216
n
194
GLY
216
A
SER
217
n
195
SER
217
A
GLY
219
n
196
GLY
219
A
CYS
220
n
197
CYS
220
A
ALA
221
n
198
A
ALA
221
A
GLN
221
n
199
GLN
221
A
LYS
222
n
200
LYS
222
A
ASN
223
n
201
ASN
223
A
LYS
224
n
202
LYS
224
A
PRO
225
n
203
PRO
225
A
GLY
226
n
204
GLY
226
A
VAL
227
n
205
VAL
227
A
TYR
228
n
206
TYR
228
A
THR
229
n
207
THR
229
A
LYS
230
n
208
LYS
230
A
VAL
231
n
209
VAL
231
A
CYS
232
n
210
CYS
232
A
ASN
233
n
211
ASN
233
A
TYR
234
n
212
TYR
234
A
VAL
235
n
213
VAL
235
A
SER
236
n
214
SER
236
A
TRP
237
n
215
TRP
237
A
ILE
238
n
216
ILE
238
A
LYS
239
n
217
LYS
239
A
GLN
240
n
218
GLN
240
A
THR
241
n
219
THR
241
A
ILE
242
n
220
ILE
242
A
ALA
243
n
221
ALA
243
A
SER
244
n
222
SER
244
A
ASN
245
n
223
ASN
245
A
GLY
1
n
1
GLY
1
I
ARG
2
n
2
ARG
2
I
CYS
3
n
3
CYS
3
I
THR
4
n
4
THR
4
I
LYS
5
n
5
LYS
5
I
SER
6
n
6
SER
6
I
ILE
7
n
7
ILE
7
I
PRO
8
n
8
PRO
8
I
PRO
9
n
9
PRO
9
I
ILE
10
n
10
ILE
10
I
CYS
11
n
11
CYS
11
I
PHE
12
n
12
PHE
12
I
PRO
13
n
13
PRO
13
I
ASP
14
n
14
ASP
14
I
author_and_software_defined_assembly
PISA
2
dimeric
1960
-56
9430
A
GLU
70
A
OE1
GLU
52
1_555
A
CA
304
F
CA
CA
1_555
A
ASN
72
A
O
ASN
54
1_555
92.3
A
GLU
70
A
OE1
GLU
52
1_555
A
CA
304
F
CA
CA
1_555
A
VAL
75
A
O
VAL
57
1_555
162.7
A
ASN
72
A
O
ASN
54
1_555
A
CA
304
F
CA
CA
1_555
A
VAL
75
A
O
VAL
57
1_555
80.8
A
GLU
70
A
OE1
GLU
52
1_555
A
CA
304
F
CA
CA
1_555
A
GLU
80
A
OE2
GLU
62
1_555
103.9
A
ASN
72
A
O
ASN
54
1_555
A
CA
304
F
CA
CA
1_555
A
GLU
80
A
OE2
GLU
62
1_555
157.3
A
VAL
75
A
O
VAL
57
1_555
A
CA
304
F
CA
CA
1_555
A
GLU
80
A
OE2
GLU
62
1_555
87.5
A
GLU
70
A
OE1
GLU
52
1_555
A
CA
304
F
CA
CA
1_555
A
HOH
405
G
O
HOH
1_555
84.6
A
ASN
72
A
O
ASN
54
1_555
A
CA
304
F
CA
CA
1_555
A
HOH
405
G
O
HOH
1_555
86.1
A
VAL
75
A
O
VAL
57
1_555
A
CA
304
F
CA
CA
1_555
A
HOH
405
G
O
HOH
1_555
110.5
A
GLU
80
A
OE2
GLU
62
1_555
A
CA
304
F
CA
CA
1_555
A
HOH
405
G
O
HOH
1_555
80.0
A
GLU
70
A
OE1
GLU
52
1_555
A
CA
304
F
CA
CA
1_555
A
HOH
429
G
O
HOH
1_555
80.4
A
ASN
72
A
O
ASN
54
1_555
A
CA
304
F
CA
CA
1_555
A
HOH
429
G
O
HOH
1_555
106.2
A
VAL
75
A
O
VAL
57
1_555
A
CA
304
F
CA
CA
1_555
A
HOH
429
G
O
HOH
1_555
86.3
A
GLU
80
A
OE2
GLU
62
1_555
A
CA
304
F
CA
CA
1_555
A
HOH
429
G
O
HOH
1_555
92.2
A
HOH
405
G
O
HOH
1_555
A
CA
304
F
CA
CA
1_555
A
HOH
429
G
O
HOH
1_555
160.8
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
O
GLN
81
A
O
GLN
63
A
N
LEU
67
A
N
LEU
50
A
O
GLN
64
A
O
GLN
47
A
N
ASN
34
A
N
ASN
19
A
O
VAL
31
A
O
VAL
16
A
N
GLY
44
A
N
GLY
27
A
O
SER
45
A
O
SER
28
A
N
VAL
53
A
N
VAL
36
A
O
VAL
52
A
O
VAL
35
A
N
ILE
106
A
N
ILE
88
A
O
LEU
105
A
O
LEU
87
A
N
ILE
89
A
N
ILE
71
A
O
LYS
156
A
O
LYS
136
A
N
GLY
140
A
N
GLY
120
A
O
LEU
137
A
O
LEU
117
A
N
VAL
200
A
N
VAL
182
A
O
VAL
199
A
O
VAL
181
A
N
GLY
211
A
N
GLY
189
A
O
ILE
212
A
O
ILE
190
A
N
THR
229
A
N
THR
207
A
O
GLY
226
A
O
GLY
204
A
N
ALA
183
A
N
ALA
163
1
I
CYS
11
17.07
1
6.00
0.50
120.30
126.30
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
66
66
66
N
1
-4.99
0.50
120.30
115.31
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
66
66
66
N
1
3.90
0.50
120.30
124.20
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
117
117
117
N
1
5.67
0.90
118.30
123.97
A
A
A
CB
CG
OD1
ASP
ASP
ASP
189
189
189
N
1
6.99
1.10
114.20
121.19
I
I
I
CA
CB
SG
CYS
CYS
CYS
3
3
3
N
1
8.97
1.10
120.80
129.77
I
I
I
CG
CD1
CE1
PHE
PHE
PHE
12
12
12
N
1
A
ASP
71
-123.26
-77.57
1
A
ASN
115
-162.23
-155.49
1
A
SER
214
-124.37
-65.75
21.11
0.204
0.175
1.65
20.0
1672
30710
5
96.7
1.67
0.06
SHELLS
1
THROUGHOUT
0.0
MOLECULAR REPLACEMENT
0.09
0.09
1TLD
1.65
20.0
376
2126
16
0
1734
0.014
0.02
0.030
0.04
0.036
0.05
1.3
2.0
1.787
3.0
1.822
2.0
2.560
3.0
0.0262
0.03
0.138
0.15
0.167
0.3
0.239
0.3
0.100
0.3
4.7
7.0
12.2
15.0
20.1
20.0
15.0
18.43
1.65
20.0
1SFI
32839
0.067
1
14.0
2.500
96.7
0.223
1.65
1.78
3.8
1
2.2
91.0
data reduction
DENZO
data scaling
SCALEPACK
phasing
AMoRE
refinement
REFMAC
High resolution structure of a potent, cyclic protease inhibitor from sunflower seeds
1
N
N
2
N
N
3
N
N
3
N
N
3
N
N
4
N
N
5
N
N
5
N
N
A
ALA
56
A
ALA
39
HELX_P
A
CYS
58
A
CYS
41
5
1
3
A
ASP
165
A
ASP
145
HELX_P
A
ALA
171
A
ALA
151
1
2
7
A
VAL
231
A
VAL
209
HELX_P
A
ALA
243
A
ALA
221
5
3
13
disulf
2.061
A
CYS
22
A
SG
CYS
7
1_555
A
CYS
157
A
SG
CYS
137
1_555
disulf
2.053
A
CYS
42
A
SG
CYS
25
1_555
A
CYS
58
A
SG
CYS
41
1_555
disulf
2.041
A
CYS
128
A
SG
CYS
109
1_555
A
CYS
232
A
SG
CYS
210
1_555
disulf
2.007
A
CYS
136
A
SG
CYS
116
1_555
A
CYS
201
A
SG
CYS
183
1_555
disulf
1.998
A
CYS
168
A
SG
CYS
148
1_555
A
CYS
182
A
SG
CYS
162
1_555
disulf
2.069
A
CYS
191
A
SG
CYS
173
1_555
A
CYS
220
A
SG
CYS
197
1_555
disulf
2.050
I
CYS
3
B
SG
CYS
3
1_555
I
CYS
11
B
SG
CYS
11
1_555
covale
1.334
both
I
GLY
1
B
N
GLY
1
1_555
I
ASP
14
B
C
ASP
14
1_555
metalc
2.318
A
GLU
70
A
OE1
GLU
52
1_555
A
CA
304
F
CA
CA
1_555
metalc
2.444
A
ASN
72
A
O
ASN
54
1_555
A
CA
304
F
CA
CA
1_555
metalc
2.357
A
VAL
75
A
O
VAL
57
1_555
A
CA
304
F
CA
CA
1_555
metalc
2.377
A
GLU
80
A
OE2
GLU
62
1_555
A
CA
304
F
CA
CA
1_555
metalc
2.405
A
CA
304
F
CA
CA
1_555
A
HOH
405
G
O
HOH
1_555
metalc
2.408
A
CA
304
F
CA
CA
1_555
A
HOH
429
G
O
HOH
1_555
HYDROLASE/HYDROLASE INHIBITOR
TRYPSIN INHIBITOR, CYCLIC PEPTIDE, PROTEASE, BOVINE-TRYPSIN, SERINE PROTEASE-INHIBITOR, HYDROLASE-HYDROLASE INHIBITOR complex
I
ILE
7
B
ILE
7
1
I
PRO
8
B
PRO
8
-8.96
TRY1_BOVIN
UNP
1
1
P00760
FIFLALLGAAVAFPVDDDDKIVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRLGEDNINVVEG
NEQFISASKSIVHPSYNSNTLNNDIMLIKLKSAASLNSRVASISLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKA
PILSDSSCKSAYPGQITSNMFCAGYLEGGKDSCQGDSGGPVVCSGKLQGIVSWGSGCAQKNKPGVYTKVCNYVSWIKQTI
ASN
SFTI1_HELAN
UNP
2
40
Q4GWU5
GRCTKSIPPICFPD
21
243
1SFI
16
245
P00760
A
1
1
223
1
14
1SFI
1
14
I
2
1
14
7
6
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
GLN
81
A
GLN
63
A
SER
84
A
SER
66
A
GLN
64
A
GLN
47
A
LEU
67
A
LEU
50
A
GLN
30
A
GLN
15
A
ASN
34
A
ASN
19
A
HIS
40
A
HIS
23
A
ASN
48
A
ASN
31
A
TRP
51
A
TRP
34
A
SER
54
A
SER
37
A
MET
104
A
MET
86
A
LEU
108
A
LEU
90
A
ALA
85
A
ALA
67
A
VAL
90
A
VAL
72
A
LYS
156
A
LYS
136
A
PRO
161
A
PRO
141
A
GLN
135
A
GLN
115
A
GLY
140
A
GLY
120
A
PRO
198
A
PRO
180
A
CYS
201
A
CYS
183
A
LYS
204
A
LYS
186
A
TRP
215
A
TRP
193
A
GLY
226
A
GLY
204
A
LYS
230
A
LYS
208
A
MET
180
A
MET
160
A
ALA
183
A
ALA
163
BINDING SITE FOR RESIDUE SO4 A 1
Software
8
BINDING SITE FOR RESIDUE SO4 A 2
Software
7
BINDING SITE FOR RESIDUE SO4 A 3
Software
6
BINDING SITE FOR RESIDUE CA A 246
Software
4
A
ARG
66
A
ARG
49
8
1_555
A
SER
166
A
SER
146
8
2_565
A
SER
167
A
SER
147
8
2_565
A
SER
170
A
SER
150
8
2_565
A
HOH
427
G
HOH
8
1_555
A
HOH
484
G
HOH
8
2_565
A
HOH
516
G
HOH
8
1_555
A
HOH
596
G
HOH
8
2_565
A
ALA
129
A
ALA
110
7
1_555
A
SER
130
A
SER
111
7
1_555
A
THR
134
A
THR
114
7
1_555
A
SER
202
A
SER
184
7
1_555
A
HOH
409
G
HOH
7
1_555
A
HOH
446
G
HOH
7
1_555
A
HOH
510
G
HOH
7
1_555
A
LYS
169
A
LYS
149
6
1_555
A
PRO
173
A
PRO
153
6
1_555
A
GLY
174
A
GLY
154
6
1_555
A
HOH
421
G
HOH
6
4_465
A
HOH
457
G
HOH
6
4_465
A
HOH
599
G
HOH
6
4_465
A
GLU
70
A
GLU
52
4
1_555
A
ASN
72
A
ASN
54
4
1_555
A
VAL
75
A
VAL
57
4
1_555
A
GLU
80
A
GLU
62
4
1_555
19
P 21 21 21