0.023256
0.000000
0.002897
0.000000
0.013210
0.000000
0.000000
0.000000
0.023490
0.00000
0.00000
0.00000
CIS PROLINE - PRO E 23
CIS PROLINE - PRO E 133
Blundell, T.L.
Dealwis, C.G.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
2
90.00
97.10
90.00
43.000
75.700
42.900
C32 H52 N6 O7 P 1
663.765
N-(tert-butoxycarbonyl)-L-phenylalanyl-N-{(1S)-1-[(R)-hydroxy(2-{[(2S)-2-methylbutyl]amino}-2-oxoethyl)phosphoryl]-3-methylbutyl}-3-(1H-imidazol-3-ium-4-yl)-L-alaninamide
PD-130,328
peptide-like
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
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
211
919
941
10.1016/0022-2836(90)90084-Y
2179568
X-ray analyses of aspartic proteinases. The three-dimensional structure at 2.1 A resolution of endothiapepsin.
1990
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
216
1017
X-Ray Analyses of Aspartic Proteinases. III Three-Dimensional Structure of Endothiapepsin Complexed with a Transition-State Isostere Inhibitor of Renin at 1.6 Angstroms Resolution
1990
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
1
x-ray
1
1.0
33813.855
ENDOTHIAPEPSIN
3.4.23.22
1
man
polymer
663.765
N-(tert-butoxycarbonyl)-L-phenylalanyl-N-{(1S)-1-[(R)-hydroxy(2-{[(2S)-2-methylbutyl]amino}-2-oxoethyl)phosphoryl]-3-methylbutyl}-3-(1H-imidazol-3-ium-4-yl)-L-alaninamide
1
syn
non-polymer
96.063
SULFATE ION
2
syn
non-polymer
18.015
water
264
nat
water
no
no
STGSATTTPIDSLDDAYITPVQIGTPAQTLNLDFDTGSSDLWVFSSETTASEVDGQTIYTPSKSTTAKLLSGATWSISYG
DGSSSSGDVYTDTVSVGGLTVTGQAVESAKKVSSSFTEDSTIDGLLGLAFSTLNTVSPTQQKTFFDNAKASLDSPVFTAD
LGYHAPGTYNFGFIDTTAYTGSITYTAVSTKQGFWEWTSTGYAVGSGTFKSTSIDGIADTGTTLLYLPATVVSAYWAQVS
GAKSSSSVGGYVFPCSATLPSFTFGVGSARIVIPGDYIDFGPISTGSSSCFGGIQSSAGIGINIFGDVALKAAFVVFNGA
TTPTLGFASK
STGSATTTPIDSLDDAYITPVQIGTPAQTLNLDFDTGSSDLWVFSSETTASEVDGQTIYTPSKSTTAKLLSGATWSISYG
DGSSSSGDVYTDTVSVGGLTVTGQAVESAKKVSSSFTEDSTIDGLLGLAFSTLNTVSPTQQKTFFDNAKASLDSPVFTAD
LGYHAPGTYNFGFIDTTAYTGSITYTAVSTKQGFWEWTSTGYAVGSGTFKSTSIDGIADTGTTLLYLPATVVSAYWAQVS
GAKSSSSVGGYVFPCSATLPSFTFGVGSARIVIPGDYIDFGPISTGSSSCFGGIQSSAGIGINIFGDVALKAAFVVFNGA
TTPTLGFASK
E
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
chestnut blight fungus
sample
5116
Cryphonectria parasitica
2.01
38.80
pdbx_database_status
struct_conf
struct_conf_type
repository
Initial release
Version format compliance
Atomic model
Database references
Derived calculations
Non-polymer description
Structure summary
Version format compliance
Other
Derived calculations
Other
1
0
1994-01-31
1
1
2008-03-03
1
2
2011-07-13
1
3
2012-12-12
1
4
2017-11-29
_pdbx_database_status.process_site
Y
BNL
1992-03-11
REL
0EM
N-(tert-butoxycarbonyl)-L-phenylalanyl-N-{(1S)-1-[(R)-hydroxy(2-{[(2S)-2-methylbutyl]amino}-2-oxoethyl)phosphoryl]-3-methylbutyl}-3-(1H-imidazol-3-ium-4-yl)-L-alaninamide
SO4
SULFATE ION
HOH
water
THE PHOSPHINATE INHIBITOR PD130328 COMPLEXED WITH ENDOTHIAPEPSIN HAS TWO SHORT HYDROGEN BONDS OF 2.44 ANGSTROMS AND 2.51 ANGSTROMS BETWEEN ASP 32 AND P-02 OF THE PHOSPHINATE AND BETWEEN ASP 215 AND P-01 OF THE PHOSPHINATE, RESPECTIVELY. SHORT HYDROGEN BONDS OF THE SAME MAGNITUDE HAVE BEEN OBSERVED WITH SEVERAL SMALL MOLECULE STRUCTURES OF PHOSPHOROUS DERIVATIVES (CALLERI AND SPEAKMAN 1964; SPEAKMAN 1972; FENSKE ET AL., 1973).
THE COMPLETE SEQUENCE WAS DETERMINED BY V. PEDERSEN AS TRYPTIC FRAGMENTS WHICH WERE ALIGNED IN THE ELECTRON DENSITY. HOMOLOGY WITH OTHER ASPARTIC PROTEINASES WAS USED TO RESOLVE ALIGNMENT AMBIGUITIES. THE RESIDUE NUMBERING IS BASED ON THAT OF PORCINE PEPSIN.
Inhibitor
N-(tert-butoxycarbonyl)-L-phenylalanyl-N-{(1S)-1-[(R)-hydroxy(2-{[(2S)-2-methylbutyl]amino}-2-oxoethyl)phosphoryl]-3-
methylbutyl}-3-(1H-imidazol-3-ium-4-yl)-L-alaninamide
Peptide-like
BOC
1
2
0EM
0EM
822
E
SO4
1
3
SO4
SO4
823
E
SO4
3
3
SO4
SO4
824
E
HOH
2
4
HOH
HOH
825
E
HOH
3
4
HOH
HOH
826
E
HOH
4
4
HOH
HOH
827
E
HOH
5
4
HOH
HOH
828
E
HOH
6
4
HOH
HOH
829
E
HOH
7
4
HOH
HOH
830
E
HOH
8
4
HOH
HOH
831
E
HOH
9
4
HOH
HOH
832
E
HOH
10
4
HOH
HOH
833
E
HOH
11
4
HOH
HOH
834
E
HOH
12
4
HOH
HOH
835
E
HOH
13
4
HOH
HOH
836
E
HOH
14
4
HOH
HOH
837
E
HOH
15
4
HOH
HOH
838
E
HOH
16
4
HOH
HOH
839
E
HOH
17
4
HOH
HOH
840
E
HOH
18
4
HOH
HOH
841
E
HOH
19
4
HOH
HOH
842
E
HOH
20
4
HOH
HOH
843
E
HOH
21
4
HOH
HOH
844
E
HOH
22
4
HOH
HOH
845
E
HOH
23
4
HOH
HOH
846
E
HOH
24
4
HOH
HOH
847
E
HOH
25
4
HOH
HOH
848
E
HOH
26
4
HOH
HOH
849
E
HOH
27
4
HOH
HOH
850
E
HOH
28
4
HOH
HOH
851
E
HOH
29
4
HOH
HOH
852
E
HOH
30
4
HOH
HOH
853
E
HOH
31
4
HOH
HOH
854
E
HOH
32
4
HOH
HOH
855
E
HOH
33
4
HOH
HOH
856
E
HOH
34
4
HOH
HOH
857
E
HOH
35
4
HOH
HOH
858
E
HOH
36
4
HOH
HOH
859
E
HOH
37
4
HOH
HOH
860
E
HOH
38
4
HOH
HOH
861
E
HOH
39
4
HOH
HOH
862
E
HOH
40
4
HOH
HOH
863
E
HOH
41
4
HOH
HOH
864
E
HOH
42
4
HOH
HOH
865
E
HOH
43
4
HOH
HOH
866
E
HOH
44
4
HOH
HOH
867
E
HOH
45
4
HOH
HOH
868
E
HOH
46
4
HOH
HOH
869
E
HOH
47
4
HOH
HOH
870
E
HOH
48
4
HOH
HOH
871
E
HOH
49
4
HOH
HOH
872
E
HOH
50
4
HOH
HOH
873
E
HOH
51
4
HOH
HOH
874
E
HOH
52
4
HOH
HOH
875
E
HOH
53
4
HOH
HOH
876
E
HOH
54
4
HOH
HOH
877
E
HOH
55
4
HOH
HOH
878
E
HOH
56
4
HOH
HOH
879
E
HOH
57
4
HOH
HOH
880
E
HOH
58
4
HOH
HOH
881
E
HOH
59
4
HOH
HOH
882
E
HOH
60
4
HOH
HOH
883
E
HOH
61
4
HOH
HOH
884
E
HOH
62
4
HOH
HOH
885
E
HOH
63
4
HOH
HOH
886
E
HOH
64
4
HOH
HOH
887
E
HOH
65
4
HOH
HOH
888
E
HOH
66
4
HOH
HOH
889
E
HOH
67
4
HOH
HOH
890
E
HOH
68
4
HOH
HOH
891
E
HOH
69
4
HOH
HOH
892
E
HOH
70
4
HOH
HOH
893
E
HOH
71
4
HOH
HOH
894
E
HOH
72
4
HOH
HOH
895
E
HOH
73
4
HOH
HOH
896
E
HOH
74
4
HOH
HOH
897
E
HOH
75
4
HOH
HOH
898
E
HOH
76
4
HOH
HOH
899
E
HOH
77
4
HOH
HOH
900
E
HOH
78
4
HOH
HOH
901
E
HOH
79
4
HOH
HOH
902
E
HOH
80
4
HOH
HOH
903
E
HOH
81
4
HOH
HOH
904
E
HOH
82
4
HOH
HOH
905
E
HOH
83
4
HOH
HOH
906
E
HOH
84
4
HOH
HOH
907
E
HOH
85
4
HOH
HOH
908
E
HOH
86
4
HOH
HOH
909
E
HOH
87
4
HOH
HOH
910
E
HOH
88
4
HOH
HOH
911
E
HOH
89
4
HOH
HOH
912
E
HOH
90
4
HOH
HOH
913
E
HOH
91
4
HOH
HOH
914
E
HOH
92
4
HOH
HOH
915
E
HOH
93
4
HOH
HOH
916
E
HOH
94
4
HOH
HOH
917
E
HOH
95
4
HOH
HOH
918
E
HOH
96
4
HOH
HOH
919
E
HOH
97
4
HOH
HOH
920
E
HOH
98
4
HOH
HOH
921
E
HOH
99
4
HOH
HOH
922
E
HOH
100
4
HOH
HOH
923
E
HOH
101
4
HOH
HOH
924
E
HOH
102
4
HOH
HOH
925
E
HOH
103
4
HOH
HOH
926
E
HOH
104
4
HOH
HOH
927
E
HOH
105
4
HOH
HOH
928
E
HOH
106
4
HOH
HOH
929
E
HOH
107
4
HOH
HOH
930
E
HOH
108
4
HOH
HOH
931
E
HOH
109
4
HOH
HOH
932
E
HOH
110
4
HOH
HOH
933
E
HOH
111
4
HOH
HOH
934
E
HOH
112
4
HOH
HOH
935
E
HOH
113
4
HOH
HOH
936
E
HOH
114
4
HOH
HOH
937
E
HOH
115
4
HOH
HOH
938
E
HOH
116
4
HOH
HOH
939
E
HOH
117
4
HOH
HOH
940
E
HOH
118
4
HOH
HOH
941
E
HOH
119
4
HOH
HOH
942
E
HOH
120
4
HOH
HOH
943
E
HOH
121
4
HOH
HOH
944
E
HOH
122
4
HOH
HOH
945
E
HOH
123
4
HOH
HOH
946
E
HOH
124
4
HOH
HOH
947
E
HOH
125
4
HOH
HOH
948
E
HOH
126
4
HOH
HOH
949
E
HOH
127
4
HOH
HOH
950
E
HOH
128
4
HOH
HOH
951
E
HOH
129
4
HOH
HOH
952
E
HOH
130
4
HOH
HOH
953
E
HOH
131
4
HOH
HOH
954
E
HOH
132
4
HOH
HOH
955
E
HOH
133
4
HOH
HOH
956
E
HOH
134
4
HOH
HOH
957
E
HOH
135
4
HOH
HOH
958
E
HOH
136
4
HOH
HOH
959
E
HOH
137
4
HOH
HOH
960
E
HOH
138
4
HOH
HOH
961
E
HOH
139
4
HOH
HOH
962
E
HOH
140
4
HOH
HOH
963
E
HOH
141
4
HOH
HOH
964
E
HOH
142
4
HOH
HOH
965
E
HOH
143
4
HOH
HOH
966
E
HOH
144
4
HOH
HOH
967
E
HOH
145
4
HOH
HOH
968
E
HOH
146
4
HOH
HOH
969
E
HOH
147
4
HOH
HOH
970
E
HOH
148
4
HOH
HOH
971
E
HOH
149
4
HOH
HOH
972
E
HOH
150
4
HOH
HOH
973
E
HOH
151
4
HOH
HOH
974
E
HOH
152
4
HOH
HOH
975
E
HOH
153
4
HOH
HOH
976
E
HOH
154
4
HOH
HOH
977
E
HOH
155
4
HOH
HOH
978
E
HOH
156
4
HOH
HOH
979
E
HOH
157
4
HOH
HOH
980
E
HOH
158
4
HOH
HOH
981
E
HOH
159
4
HOH
HOH
982
E
HOH
160
4
HOH
HOH
983
E
HOH
161
4
HOH
HOH
984
E
HOH
162
4
HOH
HOH
985
E
HOH
163
4
HOH
HOH
986
E
HOH
164
4
HOH
HOH
987
E
HOH
165
4
HOH
HOH
988
E
HOH
166
4
HOH
HOH
989
E
HOH
167
4
HOH
HOH
990
E
HOH
168
4
HOH
HOH
991
E
HOH
169
4
HOH
HOH
992
E
HOH
170
4
HOH
HOH
993
E
HOH
171
4
HOH
HOH
994
E
HOH
172
4
HOH
HOH
995
E
HOH
173
4
HOH
HOH
996
E
HOH
174
4
HOH
HOH
997
E
HOH
175
4
HOH
HOH
998
E
HOH
176
4
HOH
HOH
999
E
HOH
177
4
HOH
HOH
1000
E
HOH
178
4
HOH
HOH
1001
E
HOH
179
4
HOH
HOH
1002
E
HOH
180
4
HOH
HOH
1003
E
HOH
181
4
HOH
HOH
1004
E
HOH
182
4
HOH
HOH
1005
E
HOH
183
4
HOH
HOH
1006
E
HOH
184
4
HOH
HOH
1007
E
HOH
185
4
HOH
HOH
1008
E
HOH
186
4
HOH
HOH
1009
E
HOH
187
4
HOH
HOH
1010
E
HOH
188
4
HOH
HOH
1011
E
HOH
189
4
HOH
HOH
1012
E
HOH
190
4
HOH
HOH
1013
E
HOH
191
4
HOH
HOH
1014
E
HOH
192
4
HOH
HOH
1015
E
HOH
193
4
HOH
HOH
1016
E
HOH
194
4
HOH
HOH
1017
E
HOH
195
4
HOH
HOH
1018
E
HOH
196
4
HOH
HOH
1019
E
HOH
197
4
HOH
HOH
1020
E
HOH
198
4
HOH
HOH
1021
E
HOH
199
4
HOH
HOH
1022
E
HOH
200
4
HOH
HOH
1023
E
HOH
201
4
HOH
HOH
1024
E
HOH
202
4
HOH
HOH
1025
E
HOH
203
4
HOH
HOH
1026
E
HOH
204
4
HOH
HOH
1027
E
HOH
205
4
HOH
HOH
1028
E
HOH
206
4
HOH
HOH
1029
E
HOH
207
4
HOH
HOH
1030
E
HOH
208
4
HOH
HOH
1031
E
HOH
209
4
HOH
HOH
1032
E
HOH
210
4
HOH
HOH
1033
E
HOH
211
4
HOH
HOH
1034
E
HOH
212
4
HOH
HOH
1035
E
HOH
213
4
HOH
HOH
1036
E
HOH
215
4
HOH
HOH
1037
E
HOH
216
4
HOH
HOH
1038
E
HOH
217
4
HOH
HOH
1039
E
HOH
218
4
HOH
HOH
1040
E
HOH
219
4
HOH
HOH
1041
E
HOH
220
4
HOH
HOH
1042
E
HOH
221
4
HOH
HOH
1043
E
HOH
222
4
HOH
HOH
1044
E
HOH
224
4
HOH
HOH
1045
E
HOH
225
4
HOH
HOH
1046
E
HOH
226
4
HOH
HOH
1047
E
HOH
227
4
HOH
HOH
1048
E
HOH
228
4
HOH
HOH
1049
E
HOH
229
4
HOH
HOH
1050
E
HOH
230
4
HOH
HOH
1051
E
HOH
231
4
HOH
HOH
1052
E
HOH
232
4
HOH
HOH
1053
E
HOH
233
4
HOH
HOH
1054
E
HOH
234
4
HOH
HOH
1055
E
HOH
236
4
HOH
HOH
1056
E
HOH
237
4
HOH
HOH
1057
E
HOH
238
4
HOH
HOH
1058
E
HOH
239
4
HOH
HOH
1059
E
HOH
240
4
HOH
HOH
1060
E
HOH
241
4
HOH
HOH
1061
E
HOH
242
4
HOH
HOH
1062
E
HOH
243
4
HOH
HOH
1063
E
HOH
244
4
HOH
HOH
1064
E
HOH
245
4
HOH
HOH
1065
E
HOH
246
4
HOH
HOH
1066
E
HOH
247
4
HOH
HOH
1067
E
HOH
248
4
HOH
HOH
1068
E
HOH
249
4
HOH
HOH
1069
E
HOH
250
4
HOH
HOH
1070
E
HOH
251
4
HOH
HOH
1071
E
HOH
252
4
HOH
HOH
1072
E
HOH
253
4
HOH
HOH
1073
E
HOH
254
4
HOH
HOH
1074
E
HOH
255
4
HOH
HOH
1075
E
HOH
256
4
HOH
HOH
1076
E
HOH
257
4
HOH
HOH
1077
E
HOH
258
4
HOH
HOH
1078
E
HOH
259
4
HOH
HOH
1079
E
HOH
260
4
HOH
HOH
1080
E
HOH
261
4
HOH
HOH
1081
E
HOH
262
4
HOH
HOH
1082
E
HOH
263
4
HOH
HOH
1083
E
HOH
264
4
HOH
HOH
1084
E
HOH
265
4
HOH
HOH
1085
E
HOH
267
4
HOH
HOH
1086
E
HOH
1
4
HOH
HOH
1087
E
HOH
223
4
HOH
HOH
1088
E
SER
-2
n
1
SER
-2
E
THR
-1
n
2
THR
-1
E
GLY
0
n
3
GLY
0
E
SER
1
n
4
SER
1
E
ALA
2
n
5
ALA
2
E
THR
3
n
6
THR
3
E
THR
4
n
7
THR
4
E
THR
5
n
8
THR
5
E
PRO
6
n
9
PRO
6
E
ILE
7
n
10
ILE
7
E
ASP
8
n
11
ASP
8
E
SER
9
n
12
SER
9
E
LEU
10
n
13
LEU
10
E
ASP
11
n
14
ASP
11
E
ASP
12
n
15
ASP
12
E
ALA
13
n
16
ALA
13
E
TYR
14
n
17
TYR
14
E
ILE
15
n
18
ILE
15
E
THR
16
n
19
THR
16
E
PRO
17
n
20
PRO
17
E
VAL
18
n
21
VAL
18
E
GLN
19
n
22
GLN
19
E
ILE
20
n
23
ILE
20
E
GLY
21
n
24
GLY
21
E
THR
22
n
25
THR
22
E
PRO
23
n
26
PRO
23
E
ALA
24
n
27
ALA
24
E
GLN
25
n
28
GLN
25
E
THR
26
n
29
THR
26
E
LEU
27
n
30
LEU
27
E
ASN
28
n
31
ASN
28
E
LEU
29
n
32
LEU
29
E
ASP
30
n
33
ASP
30
E
PHE
31
n
34
PHE
31
E
ASP
32
n
35
ASP
32
E
THR
33
n
36
THR
33
E
GLY
34
n
37
GLY
34
E
SER
35
n
38
SER
35
E
SER
36
n
39
SER
36
E
ASP
37
n
40
ASP
37
E
LEU
38
n
41
LEU
38
E
TRP
39
n
42
TRP
39
E
VAL
40
n
43
VAL
40
E
PHE
41
n
44
PHE
41
E
SER
42
n
45
SER
42
E
SER
43
n
46
SER
43
E
GLU
44
n
47
GLU
44
E
THR
45
n
48
THR
45
E
THR
46
n
49
THR
46
E
ALA
47
n
50
ALA
47
E
SER
48
n
51
SER
48
E
GLU
49
n
52
GLU
49
E
VAL
50
n
53
VAL
50
E
ASP
51
n
54
ASP
51
E
GLY
52
n
55
GLY
52
E
GLN
53
n
56
GLN
53
E
THR
54
n
57
THR
54
E
ILE
55
n
58
ILE
55
E
TYR
56
n
59
TYR
56
E
THR
57
n
60
THR
57
E
PRO
58
n
61
PRO
58
E
SER
59
n
62
SER
59
E
LYS
60
n
63
LYS
60
E
SER
61
n
64
SER
61
E
THR
62
n
65
THR
62
E
THR
63
n
66
THR
63
E
ALA
63
n
67
A
ALA
63
E
LYS
64
n
68
LYS
64
E
LEU
65
n
69
LEU
65
E
LEU
66
n
70
LEU
66
E
SER
67
n
71
SER
67
E
GLY
68
n
72
GLY
68
E
ALA
69
n
73
ALA
69
E
THR
70
n
74
THR
70
E
TRP
71
n
75
TRP
71
E
SER
72
n
76
SER
72
E
ILE
73
n
77
ILE
73
E
SER
74
n
78
SER
74
E
TYR
75
n
79
TYR
75
E
GLY
76
n
80
GLY
76
E
ASP
77
n
81
ASP
77
E
GLY
78
n
82
GLY
78
E
SER
79
n
83
SER
79
E
SER
80
n
84
SER
80
E
SER
80
n
85
A
SER
80
E
SER
81
n
86
SER
81
E
GLY
82
n
87
GLY
82
E
ASP
83
n
88
ASP
83
E
VAL
84
n
89
VAL
84
E
TYR
85
n
90
TYR
85
E
THR
86
n
91
THR
86
E
ASP
87
n
92
ASP
87
E
THR
88
n
93
THR
88
E
VAL
89
n
94
VAL
89
E
SER
90
n
95
SER
90
E
VAL
91
n
96
VAL
91
E
GLY
92
n
97
GLY
92
E
GLY
93
n
98
GLY
93
E
LEU
94
n
99
LEU
94
E
THR
95
n
100
THR
95
E
VAL
96
n
101
VAL
96
E
THR
97
n
102
THR
97
E
GLY
98
n
103
GLY
98
E
GLN
99
n
104
GLN
99
E
ALA
100
n
105
ALA
100
E
VAL
101
n
106
VAL
101
E
GLU
102
n
107
GLU
102
E
SER
103
n
108
SER
103
E
ALA
104
n
109
ALA
104
E
LYS
105
n
110
LYS
105
E
LYS
106
n
111
LYS
106
E
VAL
107
n
112
VAL
107
E
SER
108
n
113
SER
108
E
SER
109
n
114
SER
109
E
SER
110
n
115
SER
110
E
PHE
111
n
116
PHE
111
E
THR
112
n
117
THR
112
E
GLU
113
n
118
GLU
113
E
ASP
114
n
119
ASP
114
E
SER
115
n
120
SER
115
E
THR
116
n
121
THR
116
E
ILE
117
n
122
ILE
117
E
ASP
118
n
123
ASP
118
E
GLY
119
n
124
GLY
119
E
LEU
120
n
125
LEU
120
E
LEU
121
n
126
LEU
121
E
GLY
122
n
127
GLY
122
E
LEU
123
n
128
LEU
123
E
ALA
124
n
129
ALA
124
E
PHE
125
n
130
PHE
125
E
SER
126
n
131
SER
126
E
THR
127
n
132
THR
127
E
LEU
128
n
133
LEU
128
E
ASN
129
n
134
ASN
129
E
THR
130
n
135
THR
130
E
VAL
131
n
136
VAL
131
E
SER
132
n
137
SER
132
E
PRO
133
n
138
PRO
133
E
THR
134
n
139
THR
134
E
GLN
134
n
140
A
GLN
134
E
GLN
135
n
141
GLN
135
E
LYS
136
n
142
LYS
136
E
THR
137
n
143
THR
137
E
PHE
138
n
144
PHE
138
E
PHE
139
n
145
PHE
139
E
ASP
140
n
146
ASP
140
E
ASN
141
n
147
ASN
141
E
ALA
142
n
148
ALA
142
E
LYS
143
n
149
LYS
143
E
ALA
144
n
150
ALA
144
E
SER
145
n
151
SER
145
E
LEU
146
n
152
LEU
146
E
ASP
147
n
153
ASP
147
E
SER
148
n
154
SER
148
E
PRO
149
n
155
PRO
149
E
VAL
150
n
156
VAL
150
E
PHE
151
n
157
PHE
151
E
THR
152
n
158
THR
152
E
ALA
153
n
159
ALA
153
E
ASP
154
n
160
ASP
154
E
LEU
155
n
161
LEU
155
E
GLY
156
n
162
GLY
156
E
TYR
157
n
163
TYR
157
E
HIS
158
n
164
HIS
158
E
ALA
159
n
165
ALA
159
E
PRO
162
n
166
PRO
162
E
GLY
163
n
167
GLY
163
E
THR
164
n
168
THR
164
E
TYR
165
n
169
TYR
165
E
ASN
166
n
170
ASN
166
E
PHE
167
n
171
PHE
167
E
GLY
168
n
172
GLY
168
E
PHE
169
n
173
PHE
169
E
ILE
170
n
174
ILE
170
E
ASP
171
n
175
ASP
171
E
THR
172
n
176
THR
172
E
THR
173
n
177
THR
173
E
ALA
174
n
178
ALA
174
E
TYR
175
n
179
TYR
175
E
THR
176
n
180
THR
176
E
GLY
177
n
181
GLY
177
E
SER
178
n
182
SER
178
E
ILE
179
n
183
ILE
179
E
THR
180
n
184
THR
180
E
TYR
181
n
185
TYR
181
E
THR
182
n
186
THR
182
E
ALA
183
n
187
ALA
183
E
VAL
184
n
188
VAL
184
E
SER
184
n
189
A
SER
184
E
THR
185
n
190
THR
185
E
LYS
186
n
191
LYS
186
E
GLN
187
n
192
GLN
187
E
GLY
188
n
193
GLY
188
E
PHE
189
n
194
PHE
189
E
TRP
190
n
195
TRP
190
E
GLU
191
n
196
GLU
191
E
TRP
192
n
197
TRP
192
E
THR
193
n
198
THR
193
E
SER
194
n
199
SER
194
E
THR
195
n
200
THR
195
E
GLY
196
n
201
GLY
196
E
TYR
197
n
202
TYR
197
E
ALA
198
n
203
ALA
198
E
VAL
199
n
204
VAL
199
E
GLY
200
n
205
GLY
200
E
SER
201
n
206
SER
201
E
GLY
202
n
207
GLY
202
E
THR
203
n
208
THR
203
E
PHE
203
n
209
A
PHE
203
E
LYS
204
n
210
LYS
204
E
SER
204
n
211
A
SER
204
E
THR
205
n
212
THR
205
E
SER
206
n
213
SER
206
E
ILE
207
n
214
ILE
207
E
ASP
211
n
215
ASP
211
E
GLY
212
n
216
GLY
212
E
ILE
213
n
217
ILE
213
E
ALA
214
n
218
ALA
214
E
ASP
215
n
219
ASP
215
E
THR
216
n
220
THR
216
E
GLY
217
n
221
GLY
217
E
THR
218
n
222
THR
218
E
THR
219
n
223
THR
219
E
LEU
220
n
224
LEU
220
E
LEU
221
n
225
LEU
221
E
TYR
222
n
226
TYR
222
E
LEU
223
n
227
LEU
223
E
PRO
224
n
228
PRO
224
E
ALA
225
n
229
ALA
225
E
THR
226
n
230
THR
226
E
VAL
227
n
231
VAL
227
E
VAL
228
n
232
VAL
228
E
SER
229
n
233
SER
229
E
ALA
230
n
234
ALA
230
E
TYR
231
n
235
TYR
231
E
TRP
232
n
236
TRP
232
E
ALA
233
n
237
ALA
233
E
GLN
234
n
238
GLN
234
E
VAL
235
n
239
VAL
235
E
SER
236
n
240
SER
236
E
GLY
237
n
241
GLY
237
E
ALA
238
n
242
ALA
238
E
LYS
238
n
243
A
LYS
238
E
SER
239
n
244
SER
239
E
SER
240
n
245
SER
240
E
SER
241
n
246
SER
241
E
SER
242
n
247
SER
242
E
VAL
243
n
248
VAL
243
E
GLY
244
n
249
GLY
244
E
GLY
245
n
250
GLY
245
E
TYR
246
n
251
TYR
246
E
VAL
247
n
252
VAL
247
E
PHE
248
n
253
PHE
248
E
PRO
249
n
254
PRO
249
E
CYS
250
n
255
CYS
250
E
SER
251
n
256
SER
251
E
ALA
252
n
257
ALA
252
E
THR
253
n
258
THR
253
E
LEU
254
n
259
LEU
254
E
PRO
255
n
260
PRO
255
E
SER
256
n
261
SER
256
E
PHE
257
n
262
PHE
257
E
THR
258
n
263
THR
258
E
PHE
259
n
264
PHE
259
E
GLY
260
n
265
GLY
260
E
VAL
261
n
266
VAL
261
E
GLY
262
n
267
GLY
262
E
SER
263
n
268
SER
263
E
ALA
264
n
269
ALA
264
E
ARG
265
n
270
ARG
265
E
ILE
266
n
271
ILE
266
E
VAL
267
n
272
VAL
267
E
ILE
268
n
273
ILE
268
E
PRO
269
n
274
PRO
269
E
GLY
270
n
275
GLY
270
E
ASP
271
n
276
ASP
271
E
TYR
272
n
277
TYR
272
E
ILE
273
n
278
ILE
273
E
ASP
274
n
279
ASP
274
E
PHE
275
n
280
PHE
275
E
GLY
276
n
281
GLY
276
E
PRO
277
n
282
PRO
277
E
ILE
278
n
283
ILE
278
E
SER
279
n
284
SER
279
E
THR
280
n
285
THR
280
E
GLY
281
n
286
GLY
281
E
SER
282
n
287
SER
282
E
SER
282
n
288
A
SER
282
E
SER
821
n
289
SER
821
E
CYS
283
n
290
CYS
283
E
PHE
284
n
291
PHE
284
E
GLY
285
n
292
GLY
285
E
GLY
286
n
293
GLY
286
E
ILE
287
n
294
ILE
287
E
GLN
288
n
295
GLN
288
E
SER
289
n
296
SER
289
E
SER
294
n
297
SER
294
E
ALA
295
n
298
ALA
295
E
GLY
296
n
299
GLY
296
E
ILE
297
n
300
ILE
297
E
GLY
298
n
301
GLY
298
E
ILE
299
n
302
ILE
299
E
ASN
300
n
303
ASN
300
E
ILE
301
n
304
ILE
301
E
PHE
302
n
305
PHE
302
E
GLY
303
n
306
GLY
303
E
ASP
304
n
307
ASP
304
E
VAL
305
n
308
VAL
305
E
ALA
306
n
309
ALA
306
E
LEU
307
n
310
LEU
307
E
LYS
308
n
311
LYS
308
E
ALA
309
n
312
ALA
309
E
ALA
310
n
313
ALA
310
E
PHE
311
n
314
PHE
311
E
VAL
312
n
315
VAL
312
E
VAL
313
n
316
VAL
313
E
PHE
314
n
317
PHE
314
E
ASN
315
n
318
ASN
315
E
GLY
316
n
319
GLY
316
E
ALA
317
n
320
ALA
317
E
THR
318
n
321
THR
318
E
THR
319
n
322
THR
319
E
PRO
319
n
323
A
PRO
319
E
THR
320
n
324
THR
320
E
LEU
321
n
325
LEU
321
E
GLY
322
n
326
GLY
322
E
PHE
323
n
327
PHE
323
E
ALA
324
n
328
ALA
324
E
SER
325
n
329
SER
325
E
LYS
326
n
330
LYS
326
E
author_and_software_defined_assembly
PISA
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
E
O
THR
5
A
O
THR
8
E
N
ILE
15
A
N
ILE
18
E
O
THR
16
A
O
THR
19
E
N
LEU
29
A
N
LEU
32
E
O
ASP
30
A
O
ASP
33
E
N
LEU
121
A
N
LEU
126
E
O
LEU
120
A
O
LEU
125
E
N
TRP
39
A
N
TRP
42
E
O
VAL
40
A
O
VAL
43
E
N
ALA
104
A
N
ALA
109
E
O
SER
103
A
O
SER
108
E
N
ASP
83
A
N
ASP
88
E
O
GLY
82
A
O
GLY
87
E
N
TRP
71
A
N
TRP
75
A
E
O
SER
184
A
O
SER
189
E
N
GLU
191
A
N
GLU
196
E
O
TRP
192
A
O
TRP
197
E
N
GLY
212
A
N
GLY
216
E
O
ILE
213
A
O
ILE
217
E
N
PHE
302
A
N
PHE
305
E
O
ILE
301
A
O
ILE
304
E
N
TYR
222
A
N
TYR
226
E
O
LEU
221
A
O
LEU
225
E
N
GLN
288
A
N
GLN
295
E
O
CYS
283
A
O
CYS
290
E
N
PHE
248
A
N
PHE
253
E
O
VAL
247
A
O
VAL
252
A
E
N
LYS
238
A
N
LYS
243
E
O
GLN
25
A
O
GLN
28
E
N
ILE
20
A
N
ILE
23
E
O
GLN
19
A
O
GLN
22
E
N
SER
90
A
N
SER
95
E
O
VAL
89
A
O
VAL
94
E
N
VAL
96
A
N
VAL
101
E
O
LYS
204
A
O
LYS
210
E
N
TYR
197
A
N
TYR
202
E
O
GLY
196
A
O
GLY
201
E
N
GLY
260
A
N
GLY
265
E
O
PHE
259
A
O
PHE
264
E
N
ILE
266
A
N
ILE
271
E
O
ALA
2
A
O
ALA
5
E
N
TYR
165
A
N
TYR
169
E
O
THR
164
A
O
THR
168
E
N
ASP
154
A
N
ASP
160
E
O
ALA
153
A
O
ALA
159
E
N
VAL
312
A
N
VAL
315
E
O
VAL
313
A
O
VAL
316
E
N
GLY
322
A
N
GLY
326
E
O
LEU
321
A
O
LEU
325
E
N
THR
182
A
N
THR
186
1
E
E
O
O
HOH
HOH
989
1064
1.37
1
15.48
1.50
110.90
126.38
E
E
E
CA
CB
CG2
VAL
VAL
VAL
150
150
150
N
1
14.22
1.50
110.90
125.12
E
E
E
CA
CB
CG2
VAL
VAL
VAL
305
305
305
N
1
E
E
O
O
HOH
HOH
1046
1061
0.21
1_555
2_656
1
E
E
O
O
HOH
HOH
909
1037
1.92
1_555
1_655
1
E
ASP
51
-87.28
-128.18
THE QUANTITY GIVEN IN THE TEMPERATURE FACTOR FIELD OF THE *ATOM* AND *HETATM* RECORDS BELOW IS U**2, WHICH IS THE MEAN-SQUARE AMPLITUDE OF ATOMIC VIBRATION. THE TEMPERATURE FACTOR, B, CAN BE DERIVED BY THE FOLLOWING RELATION - B = 8 * (PI)**2 * U**2. IT IS AN INDICATION OF POSSIBLE ERRORS IN THE REFINEMENT THAT SOME ARE SLIGHTLY NEGATIVE.
0.17
1.9
1
1.9
264
2709
56
0
2389
0.009
0.007
refinement
RESTRAIN
ENDOTHIAPEPSIN (E.C.3.4.23.22) COMPLEX WITH THE INHIBITOR PD130328
X-RAY ANALYSES OF ASPARTIC PROTEINASES. THE THREE-DIMENSIONAL STRUCTURE AT 2.1 ANGSTROMS RESOLUTION OF ENDOTHIAPEPSIN
1
N
N
2
N
N
3
N
N
3
N
N
4
N
N
E
THR
57
A
THR
60
HELX_P
E
SER
61
A
SER
64
5
H1
5
E
SER
108
A
SER
113
HELX_P
E
GLU
113
A
GLU
118
1
H2
6
E
THR
137
A
THR
143
HELX_P
E
LYS
143
A
LYS
149
1
H3
7
E
PRO
224
A
PRO
228
HELX_P
E
GLN
234
A
GLN
238
1
H4
11
E
GLY
303
A
GLY
306
HELX_P
E
LYS
308
A
LYS
311
1
H5
6
disulf
2.085
E
CYS
250
A
SG
CYS
255
1_555
E
CYS
283
A
SG
CYS
290
1_555
HYDROLASE/HYDROLASE INHIBITOR
ACID PROTEINASE, HYDROLASE-HYDROLASE INHIBITOR COMPLEX
E
THR
22
A
THR
25
1
E
PRO
23
A
PRO
26
-0.35
E
SER
132
A
SER
137
1
E
PRO
133
A
PRO
138
0.07
CARP_CRYPA
UNP
1
1
P11838
MSSPLKNALVTAMLAGGALSSPTKQHVGIPVNASPEVGPGKYSFKQVRNPNYKFNGPLSVKKTYLKYGVPIPAWLEDAVQ
NSTSGLAERSTGSATTTPIDSLDDAYITPVQIGTPAQTLNLDFDTGSSDLWVFSSETTASEVDGQTIYTPSKSTTAKLLS
GATWSISYGDGSSSSGDVYTDTVSVGGLTVTGQAVESAKKVSSSFTEDSTIDGLLGLAFSTLNTVSPTQQKTFFDNAKAS
LDSPVFTADLGYHAPGTYNFGFIDTTAYTGSITYTAVSTKQGFWEWTSTGYAVGSGTFKSTSIDGIADTGTTLLYLPATV
VSAYWAQVSGAKSSSSVGGYVFPCSATLPSFTFGVGSARIVIPGDYIDFGPISTGSSSCFGGIQSSAGIGINIFGDVALK
AAFVVFNGATTPTLGFASK
90
419
1ENT
-2
326
P11838
E
1
1
330
8
8
4
4
6
anti-parallel
anti-parallel
parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
parallel
anti-parallel
parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
E
THR
-1
A
THR
2
E
ILE
7
A
ILE
10
E
ALA
13
A
ALA
16
E
GLY
21
A
GLY
24
E
ALA
24
A
ALA
27
E
THR
33
A
THR
36
E
ILE
117
A
ILE
122
E
ALA
124
A
ALA
129
E
SER
36
A
SER
39
E
GLU
44
A
GLU
47
E
GLN
99
A
GLN
104
E
LYS
105
A
LYS
110
E
GLY
78
A
GLY
82
E
ASP
87
A
ASP
92
E
TRP
71
A
TRP
75
E
GLY
76
A
GLY
80
E
SER
178
A
SER
182
E
LYS
186
A
LYS
191
E
PHE
189
A
PHE
194
E
THR
195
A
THR
200
E
ASP
211
A
ASP
215
E
THR
216
A
THR
220
E
ILE
299
A
ILE
302
E
PHE
302
A
PHE
305
E
THR
219
A
THR
223
E
PRO
224
A
PRO
228
E
SER
282
A
SER
287
E
SER
294
A
SER
297
E
GLY
244
A
GLY
249
E
CYS
250
A
CYS
255
E
ALA
238
A
ALA
242
E
SER
241
A
SER
246
E
ALA
24
A
ALA
27
E
ASN
28
A
ASN
31
E
PRO
17
A
PRO
20
E
GLY
21
A
GLY
24
E
VAL
89
A
VAL
94
E
VAL
91
A
VAL
96
E
LEU
94
A
LEU
99
E
VAL
96
A
VAL
101
E
GLY
202
A
GLY
207
E
LYS
204
A
LYS
210
E
GLY
196
A
GLY
201
E
VAL
199
A
VAL
204
E
SER
256
A
SER
261
E
VAL
261
A
VAL
266
E
ALA
264
A
ALA
269
E
ILE
268
A
ILE
273
E
THR
-1
A
THR
2
E
PRO
6
A
PRO
9
E
PRO
162
A
PRO
166
E
THR
172
A
THR
176
E
SER
148
A
SER
154
E
TYR
157
A
TYR
163
E
ALA
310
A
ALA
313
E
GLY
316
A
GLY
319
E
THR
319
A
THR
322
E
LYS
326
A
LYS
330
E
SER
178
A
SER
182
E
LYS
186
A
LYS
191
BINDING SITE FOR RESIDUE 0EM E 822
Software
16
BINDING SITE FOR RESIDUE SO4 E 823
Software
5
BINDING SITE FOR RESIDUE SO4 E 824
Software
7
CATALYTIC SITE
Author
2
E
ASP
32
A
ASP
35
16
1_555
E
GLY
34
A
GLY
37
16
1_555
E
SER
35
A
SER
38
16
1_555
E
TYR
75
A
TYR
79
16
1_555
E
GLY
76
A
GLY
80
16
1_555
E
ASP
77
A
ASP
81
16
1_555
E
ASP
114
A
ASP
119
16
1_555
E
ILE
117
A
ILE
122
16
1_555
E
PHE
189
A
PHE
194
16
1_555
E
ASP
215
A
ASP
219
16
1_555
E
GLY
217
A
GLY
221
16
1_555
E
THR
218
A
THR
222
16
1_555
E
THR
219
A
THR
223
16
1_555
E
ILE
297
A
ILE
300
16
1_555
E
ILE
301
A
ILE
304
16
1_555
E
HOH
1087
E
HOH
16
1_555
E
LYS
238
A
LYS
243
A
5
1_555
E
SER
240
A
SER
245
5
1_555
E
SER
241
A
SER
246
5
1_555
E
SER
242
A
SER
247
5
1_555
E
HOH
1013
E
HOH
5
1_555
E
SER
108
A
SER
113
7
1_555
E
SER
109
A
SER
114
7
1_555
E
THR
318
A
THR
321
7
1_556
E
THR
319
A
THR
322
7
1_556
E
HOH
996
E
HOH
7
1_555
E
HOH
1001
E
HOH
7
1_555
E
HOH
1035
E
HOH
7
1_555
E
ASP
32
A
ASP
35
2
1_555
E
ASP
215
A
ASP
219
2
1_555
4
P 1 21 1