0.027337
0.000000
0.000000
0.000000
0.013296
0.000000
0.000000
0.000000
0.010403
0.00000
0.00000
0.00000
Ha, N.-C.
Kim, M.-S.
Kim, J.-S.
Oh, B.-H.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
90.00
90.00
36.580
75.210
96.130
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
C24 H40 O4
392.572
(3ALPHA,5BETA,12ALPHA)-3,12-DIHYDROXYCHOLAN-24-OIC ACID
DEOXYCHOLIC ACID
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
US
J.Biol.Chem.
JBCHA3
0071
0021-9258
275
41100
10.1074/JBC.M007561200
11007792
Detection of Large Pka Perturbations of an Inhibitor and a Catalytic Group at an Enzyme Active Site, a Mechanistic Basis for Catalytic Power of Many Enzymes
2000
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
DEOXYCHOLATE
14548.501
STEROID DELTA-ISOMERASE
2
man
polymer
392.572
(3ALPHA,5BETA,12ALPHA)-3,12-DIHYDROXYCHOLAN-24-OIC ACID
2
syn
non-polymer
18.015
water
104
nat
water
DELTA-5-3-KETOSTEROID ISOMERASE
no
no
MNLPTAQEVQGLMARYIELVDVGDIEAIVQMYADDATVEDPFGQPPIHGREQIAAFYRQGLGGGKVRACLTGPVRASHNG
CGAMPFRVEMVWNGQPCALDVIDVMRFDEHGRIQTMQAYWSEVNLSVREPQ
MNLPTAQEVQGLMARYIELVDVGDIEAIVQMYADDATVEDPFGQPPIHGREQIAAFYRQGLGGGKVRACLTGPVRASHNG
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
562
ESCHERICHIA COLI
1
2.27
45.87
6.50
pH 6.50
diffrn_source
repository
Initial release
Version format compliance
Version format compliance
Data collection
1
0
2001-03-12
1
1
2011-05-08
1
2
2011-07-13
1
3
2018-04-04
_diffrn_source.type
KETOSTEROID ISOMERASE
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 A MUTANT R75A IN KETOSTEROID ISOMERASE FROM PSEDOMONAS PUTIDA BIOTYPE B
CRYSTAL STRUCTURE OF KETOSTEROID ISOMERASE COMPLEXED WITH INHIBITOR
HIGH RESOLUTION CRYSTAL STRUCTURE OF PI KETOSTEROID ISOMERASE MUTANT D40N(D38N ; TI NUMBERING) COMPLEXED WITH EQUILENIN AT 2.0 A RESOLUTION.
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 PSEUDOMONAS PUTIDA ; TRIPLE MUTANT Y16F/Y32F/Y57F
PDBE
Y
PDBE
2000-06-24
REL
DXC
(3ALPHA,5BETA,12ALPHA)-3,12-DIHYDROXYCHOLAN-24-OIC ACID
HOH
water
DXC
801
2
DXC
DXC
801
A
DXC
801
2
DXC
DXC
801
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
2041
3
HOH
HOH
2041
A
HOH
2042
3
HOH
HOH
2042
A
HOH
2043
3
HOH
HOH
2043
A
HOH
2044
3
HOH
HOH
2044
A
HOH
2045
3
HOH
HOH
2045
A
HOH
2046
3
HOH
HOH
2046
A
HOH
2047
3
HOH
HOH
2047
A
HOH
2048
3
HOH
HOH
2048
A
HOH
2049
3
HOH
HOH
2049
A
HOH
2050
3
HOH
HOH
2050
A
HOH
2051
3
HOH
HOH
2051
A
HOH
2052
3
HOH
HOH
2052
A
HOH
2053
3
HOH
HOH
2053
A
HOH
2054
3
HOH
HOH
2054
A
HOH
2055
3
HOH
HOH
2055
A
HOH
2056
3
HOH
HOH
2056
A
HOH
2057
3
HOH
HOH
2057
A
HOH
2058
3
HOH
HOH
2058
A
HOH
2059
3
HOH
HOH
2059
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
HOH
2038
3
HOH
HOH
2038
B
HOH
2039
3
HOH
HOH
2039
B
HOH
2040
3
HOH
HOH
2040
B
HOH
2041
3
HOH
HOH
2041
B
HOH
2042
3
HOH
HOH
2042
B
HOH
2043
3
HOH
HOH
2043
B
HOH
2044
3
HOH
HOH
2044
B
HOH
2045
3
HOH
HOH
2045
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
ASP
40
n
40
ASP
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
ARG
128
n
128
ARG
128
A
GLU
129
n
129
GLU
129
A
n
130
130
A
n
131
131
A
n
1
1
B
ASN
2
n
2
ASN
2
B
LEU
3
n
3
LEU
3
B
PRO
4
n
4
PRO
4
B
THR
5
n
5
THR
5
B
ALA
6
n
6
ALA
6
B
GLN
7
n
7
GLN
7
B
GLU
8
n
8
GLU
8
B
VAL
9
n
9
VAL
9
B
GLN
10
n
10
GLN
10
B
GLY
11
n
11
GLY
11
B
LEU
12
n
12
LEU
12
B
MET
13
n
13
MET
13
B
ALA
14
n
14
ALA
14
B
ARG
15
n
15
ARG
15
B
TYR
16
n
16
TYR
16
B
ILE
17
n
17
ILE
17
B
GLU
18
n
18
GLU
18
B
LEU
19
n
19
LEU
19
B
VAL
20
n
20
VAL
20
B
ASP
21
n
21
ASP
21
B
VAL
22
n
22
VAL
22
B
GLY
23
n
23
GLY
23
B
ASP
24
n
24
ASP
24
B
ILE
25
n
25
ILE
25
B
GLU
26
n
26
GLU
26
B
ALA
27
n
27
ALA
27
B
ILE
28
n
28
ILE
28
B
VAL
29
n
29
VAL
29
B
GLN
30
n
30
GLN
30
B
MET
31
n
31
MET
31
B
TYR
32
n
32
TYR
32
B
ALA
33
n
33
ALA
33
B
ASP
34
n
34
ASP
34
B
ASP
35
n
35
ASP
35
B
ALA
36
n
36
ALA
36
B
THR
37
n
37
THR
37
B
VAL
38
n
38
VAL
38
B
GLU
39
n
39
GLU
39
B
ASP
40
n
40
ASP
40
B
PRO
41
n
41
PRO
41
B
PHE
42
n
42
PHE
42
B
GLY
43
n
43
GLY
43
B
GLN
44
n
44
GLN
44
B
PRO
45
n
45
PRO
45
B
PRO
46
n
46
PRO
46
B
ILE
47
n
47
ILE
47
B
HIS
48
n
48
HIS
48
B
GLY
49
n
49
GLY
49
B
ARG
50
n
50
ARG
50
B
GLU
51
n
51
GLU
51
B
GLN
52
n
52
GLN
52
B
ILE
53
n
53
ILE
53
B
ALA
54
n
54
ALA
54
B
ALA
55
n
55
ALA
55
B
PHE
56
n
56
PHE
56
B
TYR
57
n
57
TYR
57
B
ARG
58
n
58
ARG
58
B
GLN
59
n
59
GLN
59
B
GLY
60
n
60
GLY
60
B
LEU
61
n
61
LEU
61
B
GLY
62
n
62
GLY
62
B
GLY
63
n
63
GLY
63
B
GLY
64
n
64
GLY
64
B
LYS
65
n
65
LYS
65
B
VAL
66
n
66
VAL
66
B
ARG
67
n
67
ARG
67
B
ALA
68
n
68
ALA
68
B
CYS
69
n
69
CYS
69
B
LEU
70
n
70
LEU
70
B
THR
71
n
71
THR
71
B
GLY
72
n
72
GLY
72
B
PRO
73
n
73
PRO
73
B
VAL
74
n
74
VAL
74
B
ARG
75
n
75
ARG
75
B
ALA
76
n
76
ALA
76
B
SER
77
n
77
SER
77
B
HIS
78
n
78
HIS
78
B
ASN
79
n
79
ASN
79
B
GLY
80
n
80
GLY
80
B
CYS
81
n
81
CYS
81
B
GLY
82
n
82
GLY
82
B
ALA
83
n
83
ALA
83
B
MET
84
n
84
MET
84
B
PRO
85
n
85
PRO
85
B
PHE
86
n
86
PHE
86
B
ARG
87
n
87
ARG
87
B
VAL
88
n
88
VAL
88
B
GLU
89
n
89
GLU
89
B
MET
90
n
90
MET
90
B
VAL
91
n
91
VAL
91
B
TRP
92
n
92
TRP
92
B
ASN
93
n
93
ASN
93
B
GLY
94
n
94
GLY
94
B
GLN
95
n
95
GLN
95
B
PRO
96
n
96
PRO
96
B
CYS
97
n
97
CYS
97
B
ALA
98
n
98
ALA
98
B
LEU
99
n
99
LEU
99
B
ASP
100
n
100
ASP
100
B
VAL
101
n
101
VAL
101
B
ILE
102
n
102
ILE
102
B
ASP
103
n
103
ASP
103
B
VAL
104
n
104
VAL
104
B
MET
105
n
105
MET
105
B
ARG
106
n
106
ARG
106
B
PHE
107
n
107
PHE
107
B
ASP
108
n
108
ASP
108
B
GLU
109
n
109
GLU
109
B
HIS
110
n
110
HIS
110
B
GLY
111
n
111
GLY
111
B
ARG
112
n
112
ARG
112
B
ILE
113
n
113
ILE
113
B
GLN
114
n
114
GLN
114
B
THR
115
n
115
THR
115
B
MET
116
n
116
MET
116
B
GLN
117
n
117
GLN
117
B
ALA
118
n
118
ALA
118
B
TYR
119
n
119
TYR
119
B
TRP
120
n
120
TRP
120
B
SER
121
n
121
SER
121
B
GLU
122
n
122
GLU
122
B
VAL
123
n
123
VAL
123
B
ASN
124
n
124
ASN
124
B
LEU
125
n
125
LEU
125
B
SER
126
n
126
SER
126
B
VAL
127
n
127
VAL
127
B
ARG
128
n
128
ARG
128
B
GLU
129
n
129
GLU
129
B
PRO
130
n
130
PRO
130
B
n
131
131
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
47
B
N
ILE
47
B
O
VAL
38
B
O
VAL
38
B
N
ALA
33
B
N
ALA
33
B
O
ILE
113
B
O
ILE
113
B
N
TYR
119
B
N
TYR
119
B
O
ILE
102
B
O
ILE
102
B
N
MET
105
B
N
MET
105
B
O
GLY
82
B
O
GLY
82
B
N
ILE
47
B
N
ILE
47
B
O
VAL
38
B
O
VAL
38
B
N
ALA
33
B
N
ALA
33
B
O
ILE
113
B
O
ILE
113
B
N
TYR
119
B
N
TYR
119
B
O
ILE
102
B
O
ILE
102
B
N
ALA
98
B
N
ALA
98
B
O
SER
126
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
A
CG
ARG
128
A
CG
ARG
128
1
Y
1
A
CD
ARG
128
A
CD
ARG
128
1
Y
1
A
NE
ARG
128
A
NE
ARG
128
1
Y
1
A
CZ
ARG
128
A
CZ
ARG
128
1
Y
1
A
NH1
ARG
128
A
NH1
ARG
128
1
Y
1
A
NH2
ARG
128
A
NH2
ARG
128
1
Y
1
A
CG
GLU
129
A
CG
GLU
129
1
Y
1
A
CD
GLU
129
A
CD
GLU
129
1
Y
1
A
OE1
GLU
129
A
OE1
GLU
129
1
Y
1
A
OE2
GLU
129
A
OE2
GLU
129
1
Y
1
B
CG
ASN
2
B
CG
ASN
2
1
Y
1
B
OD1
ASN
2
B
OD1
ASN
2
1
Y
1
B
ND2
ASN
2
B
ND2
ASN
2
1
Y
1
B
CG
ARG
128
B
CG
ARG
128
1
Y
1
B
CD
ARG
128
B
CD
ARG
128
1
Y
1
B
NE
ARG
128
B
NE
ARG
128
1
Y
1
B
CZ
ARG
128
B
CZ
ARG
128
1
Y
1
B
NH1
ARG
128
B
NH1
ARG
128
1
Y
1
B
NH2
ARG
128
B
NH2
ARG
128
1
Y
1
B
CG
GLU
129
B
CG
GLU
129
1
Y
1
B
CD
GLU
129
B
CD
GLU
129
1
Y
1
B
OE1
GLU
129
B
OE1
GLU
129
1
Y
1
B
OE2
GLU
129
B
OE2
GLU
129
1
Y
1
A
MET
1
A
MET
1
1
Y
1
A
PRO
130
A
PRO
130
1
Y
1
A
GLN
131
A
GLN
131
1
Y
1
B
MET
1
B
MET
1
1
Y
1
B
GLN
131
B
GLN
131
1
Y
1
B
B
HH12
H2
ARG
HOH
75
2026
1.18
1
B
B
O
H
GLY
LYS
63
65
1.25
1
A
A
H
H2
ALA
HOH
6
2042
1.26
1
B
B
HH22
HH21
ARG
ARG
50
112
1.33
1
B
B
O
N
GLY
LYS
64
65
1.60
1
B
B
O
N
GLY
LYS
63
65
2.05
1
B
LEU
61
-21.98
1
B
GLY
64
41.66
1
B
B
LEU
GLY
61
62
134.62
1
B
B
GLY
LYS
64
65
127.65
1
26.45
2.10
122.30
148.75
B
B
B
C
N
CA
LEU
GLY
GLY
61
62
62
Y
1
-21.16
2.20
117.20
96.04
B
B
B
CA
C
N
GLY
GLY
LYS
64
64
65
Y
1
-44.10
1.60
122.70
78.60
B
B
B
O
C
N
GLY
GLY
LYS
64
64
65
Y
1
A
A
HZ1
HH21
LYS
ARG
65
112
1.21
1_555
4_447
1
A
ARG
128
-151.45
67.25
1
B
LYS
65
67.51
88.92
1
B
TRP
120
176.92
158.96
1
B
GLU
129
103.49
-52.67
THE C-TERMINAL RESIDUE WAS NOT SEEN IN THE DENSITY MAPS
0.264
0.198
0.198
2.0
8.0
17811
5.0
92.7
RANDOM
1
THROUGHOUT
1
OTHER
2.0
8.0
104
2125
56
0
1965
0.008
1.709
2.000
20.000
1E3V
17811
1.000
0.06600
0.06600
1
5.200
92.7
refinement
X-PLOR
3.8
data reduction
DENZO
data scaling
SCALEPACK
STEROID DELTA-ISOMERASE
Crystal structure of ketosteroid isomerase from Psedomonas putida complexed with deoxycholate
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
MET
31
A
MET
31
1
2
8
A
GLY
49
A
GLY
49
HELX_P
A
GLY
63
A
GLY
63
1
3
15
A
SER
121
A
SER
121
HELX_P
A
VAL
123
A
VAL
123
5
4
3
B
THR
5
B
THR
5
HELX_P
B
GLY
23
B
GLY
23
1
5
19
B
ASP
24
B
ASP
24
HELX_P
B
MET
31
B
MET
31
1
6
8
B
GLY
49
B
GLY
49
HELX_P
B
LEU
61
B
LEU
61
1
7
13
B
SER
121
B
SER
121
HELX_P
B
VAL
123
B
VAL
123
5
8
3
ISOMERASE
ISOMERASE, DEOXYCHLATE, KSI, LBHB, REVERSE BINDING
A
ASP
40
A
ASP
40
1
A
PRO
41
A
PRO
41
-0.24
B
ASP
40
B
ASP
40
1
B
PRO
41
B
PRO
41
-0.44
SDIS_PSEPU
UNP
1
P07445
1
131
1E3V
1
131
P07445
A
1
1
131
1
131
1E3V
1
131
P07445
B
1
1
131
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
47
B
ILE
47
B
HIS
48
B
HIS
48
B
TYR
32
B
TYR
32
B
GLU
39
B
GLU
39
B
ILE
113
B
ILE
113
B
TYR
119
B
TYR
119
B
GLN
95
B
GLN
95
B
PHE
107
B
PHE
107
B
CYS
81
B
CYS
81
B
TRP
92
B
TRP
92
B
ILE
47
B
ILE
47
B
HIS
48
B
HIS
48
B
TYR
32
B
TYR
32
B
GLU
39
B
GLU
39
B
ILE
113
B
ILE
113
B
TYR
119
B
TYR
119
B
GLN
95
B
GLN
95
B
PHE
107
B
PHE
107
B
LEU
125
B
LEU
125
B
SER
126
B
SER
126
BINDING SITE FOR RESIDUE DXC A 801
Software
12
BINDING SITE FOR RESIDUE DXC B 801
Software
12
A
TYR
16
A
TYR
16
12
1_555
A
ASP
40
A
ASP
40
12
1_555
A
PHE
56
A
PHE
56
12
1_555
A
GLY
60
A
GLY
60
12
1_555
A
ASP
103
A
ASP
103
12
1_555
A
MET
116
A
MET
116
12
1_555
A
ALA
118
A
ALA
118
12
1_555
A
HOH
2024
E
HOH
12
1_555
A
HOH
2033
E
HOH
12
1_555
B
TRP
92
B
TRP
92
12
1_555
B
GLN
95
B
GLN
95
12
1_555
B
VAL
127
B
VAL
127
12
1_555
A
TRP
92
A
TRP
92
12
1_555
A
GLN
95
A
GLN
95
12
1_555
A
VAL
127
A
VAL
127
12
1_555
B
TYR
16
B
TYR
16
12
1_555
B
ASP
40
B
ASP
40
12
1_555
B
PHE
56
B
PHE
56
12
1_555
B
GLY
60
B
GLY
60
12
1_555
B
ASP
103
B
ASP
103
12
1_555
B
MET
116
B
MET
116
12
1_555
B
ALA
118
B
ALA
118
12
1_555
B
HOH
2044
F
HOH
12
1_555
B
HOH
2045
F
HOH
12
1_555
19
P 21 21 21