0.021636
0.000000
0.007789
0.000000
0.016880
0.000000
0.000000
0.000000
0.020714
0.000000
0.000000
0.000000
Lo Leggio, L.
Kalogiannis, S.
Eckert, K.
Teixeira, S.C.M.
Bhat, M.K.
Andrei, C.
Pickersgill, R.W.
Larsen, S.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
2
90.00
109.80
90.00
46.220
59.240
51.310
C3 H7 N O2
89.093
y
ALANINE
L-peptide linking
C6 H15 N4 O2 1
175.209
y
ARGININE
L-peptide linking
C4 H8 N2 O3
132.118
y
ASPARAGINE
L-peptide linking
C4 H7 N O4
133.103
y
ASPARTIC ACID
L-peptide linking
C3 H7 N O2 S
121.158
y
CYSTEINE
L-peptide linking
C5 H10 N2 O3
146.144
y
GLUTAMINE
L-peptide linking
C5 H9 N O4
147.129
y
GLUTAMIC ACID
L-peptide linking
C2 H5 N O2
75.067
y
GLYCINE
peptide linking
C6 H10 N3 O2 1
156.162
y
HISTIDINE
L-peptide linking
H2 O
18.015
WATER
non-polymer
C6 H13 N O2
131.173
y
ISOLEUCINE
L-peptide linking
C6 H13 N O2
131.173
y
LEUCINE
L-peptide linking
C6 H15 N2 O2 1
147.195
y
LYSINE
L-peptide linking
C5 H11 N O2 S
149.211
y
METHIONINE
L-peptide linking
C9 H11 N O2
165.189
y
PHENYLALANINE
L-peptide linking
C5 H9 N O2
115.130
y
PROLINE
L-peptide linking
C3 H7 N O3
105.093
y
SERINE
L-peptide linking
C4 H9 N O3
119.119
y
THREONINE
L-peptide linking
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
NE
FEBS LETT.
FEBLAL
0165
0014-5793
509
303
308
10.1016/S0014-5793(01)03177-5
11741607
Substrate specificity and subsite mobility in T. aurantiacus xylanase 10A.
2001
DK
Acta Crystallogr.,Sect.D
ABCRE6
0766
0907-4449
57
385
392
10.1107/S0907444900019089
Anisotropic refinement of the structure of Thermoascus aurantiacus xylanase I
2001
US
Proteins
PSFGEY
0867
0887-3585
36
295
306
10.1002/(SICI)1097-0134(19990815)36:3<295::AID-PROT4>3.3.CO;2-Y
High Resolution Structure and Sequence of T.aurantiacus Xylanase I: Implications for the Evolution of thermostability in Family 10 xylanases and enzymes with (beta)alpha-barrel architecture
1999
UK
J.Mol.Biol.
JMOBAK
0070
0022-2836
288
999
1012
10.1006/jmbi.1999.2727
Crystal Structure at 1.8A resolution and proposed amino acid sequence of a thermostable xylanase from Thermoascus aurantiacus
1999
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
293
1
293
1
SINGLE WAVELENGTH
M
x-ray
1
0.87
1.0
PX9.6
SRS
0.87
SYNCHROTRON
SRS BEAMLINE PX9.6
PX9.6
SRS
0.87
SYNCHROTRON
SRS BEAMLINE PX9.6
32907.742
xylanase I
3.2.1.8
1
nat
polymer
18.015
water
199
nat
water
Endo-1,4-beta-xylanase
no
no
QAAQSVDQLIKARGKVYFGVATDQNRLTTGKNAAIIQADFGQVTPENSMKWDATEPSQGNFNFAGADYLVNWAQQNGKLI
RGHTLVWHSQLPSWVSSITDKNTLTNVMKNHITTLMTRYKGKIRAWDVVNEAFNEDGSLRQTVFLNVIGEDYIPIAFQTA
RAADPNAKLYINDYNLDSASYPKTQAIVNRVKQWRAAGVPIDGIGSQTHLSAGQGAGVLQALPLLASAGTPEVAITELDV
AGASPTDYVNVVNACLNVQSCVGITVWGVADPDSWRASTTPLLFDGNFNPKPAYNAIVQDLQQ
QAAQSVDQLIKARGKVYFGVATDQNRLTTGKNAAIIQADFGQVTPENSMKWDATEPSQGNFNFAGADYLVNWAQQNGKLI
RGHTLVWHSQLPSWVSSITDKNTLTNVMKNHITTLMTRYKGKIRAWDVVNEAFNEDGSLRQTVFLNVIGEDYIPIAFQTA
RAADPNAKLYINDYNLDSASYPKTQAIVNRVKQWRAAGVPIDGIGSQTHLSAGQGAGVLQALPLLASAGTPEVAITELDV
AGASPTDYVNVVNACLNVQSCVGITVWGVADPDSWRASTTPLLFDGNFNPKPAYNAIVQDLQQ
A
polypeptide(L)
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
Thermoascus
sample
5087
Thermoascus aurantiacus
IMI 216529
2
1.63
38.73
VAPOR DIFFUSION, HANGING DROP
5.1
PEG 6K, phosphate citrate buffer, pH 5.1, VAPOR DIFFUSION, HANGING DROP, temperature 298K
298
VAPOR DIFFUSION, HANGING DROP
7.8
PEG 6K, EDTA, Tris, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K
298
repository
Initial release
Version format compliance
Version format compliance
1
0
2002-07-03
1
1
2008-04-27
1
2
2011-07-13
2002-07-03
SPRSDE
1FXM contains Thermoascus aurantiacus Xylanase I: structure obtained by anisotropic refinement
1TAX contains Thermoascus aurantiacus Xylanase I: structure obtained by isotropic refinement
RCSB
Y
PDBJ
2001-10-15
REL
REL
HOH
water
HOH
1001
2
HOH
HOH
1001
A
HOH
1002
2
HOH
HOH
1002
A
HOH
1003
2
HOH
HOH
1003
A
HOH
1004
2
HOH
HOH
1004
A
HOH
1005
2
HOH
HOH
1005
A
HOH
1006
2
HOH
HOH
1006
A
HOH
1007
2
HOH
HOH
1007
A
HOH
1008
2
HOH
HOH
1008
A
HOH
1009
2
HOH
HOH
1009
A
HOH
1010
2
HOH
HOH
1010
A
HOH
1011
2
HOH
HOH
1011
A
HOH
1012
2
HOH
HOH
1012
A
HOH
1013
2
HOH
HOH
1013
A
HOH
1014
2
HOH
HOH
1014
A
HOH
1015
2
HOH
HOH
1015
A
HOH
1016
2
HOH
HOH
1016
A
HOH
1017
2
HOH
HOH
1017
A
HOH
1018
2
HOH
HOH
1018
A
HOH
1019
2
HOH
HOH
1019
A
HOH
1020
2
HOH
HOH
1020
A
HOH
1021
2
HOH
HOH
1021
A
HOH
1022
2
HOH
HOH
1022
A
HOH
1023
2
HOH
HOH
1023
A
HOH
1024
2
HOH
HOH
1024
A
HOH
1025
2
HOH
HOH
1025
A
HOH
1026
2
HOH
HOH
1026
A
HOH
1027
2
HOH
HOH
1027
A
HOH
1028
2
HOH
HOH
1028
A
HOH
1029
2
HOH
HOH
1029
A
HOH
1030
2
HOH
HOH
1030
A
HOH
1031
2
HOH
HOH
1031
A
HOH
1032
2
HOH
HOH
1032
A
HOH
1033
2
HOH
HOH
1033
A
HOH
1034
2
HOH
HOH
1034
A
HOH
1035
2
HOH
HOH
1035
A
HOH
1036
2
HOH
HOH
1036
A
HOH
1037
2
HOH
HOH
1037
A
HOH
1038
2
HOH
HOH
1038
A
HOH
1039
2
HOH
HOH
1039
A
HOH
1040
2
HOH
HOH
1040
A
HOH
1041
2
HOH
HOH
1041
A
HOH
1042
2
HOH
HOH
1042
A
HOH
1043
2
HOH
HOH
1043
A
HOH
1044
2
HOH
HOH
1044
A
HOH
1045
2
HOH
HOH
1045
A
HOH
1046
2
HOH
HOH
1046
A
HOH
1047
2
HOH
HOH
1047
A
HOH
1048
2
HOH
HOH
1048
A
HOH
1049
2
HOH
HOH
1049
A
HOH
1050
2
HOH
HOH
1050
A
HOH
1051
2
HOH
HOH
1051
A
HOH
1052
2
HOH
HOH
1052
A
HOH
1053
2
HOH
HOH
1053
A
HOH
1054
2
HOH
HOH
1054
A
HOH
1055
2
HOH
HOH
1055
A
HOH
1056
2
HOH
HOH
1056
A
HOH
1057
2
HOH
HOH
1057
A
HOH
1058
2
HOH
HOH
1058
A
HOH
1059
2
HOH
HOH
1059
A
HOH
1060
2
HOH
HOH
1060
A
HOH
1061
2
HOH
HOH
1061
A
HOH
1062
2
HOH
HOH
1062
A
HOH
1063
2
HOH
HOH
1063
A
HOH
1064
2
HOH
HOH
1064
A
HOH
1065
2
HOH
HOH
1065
A
HOH
1066
2
HOH
HOH
1066
A
HOH
1067
2
HOH
HOH
1067
A
HOH
1068
2
HOH
HOH
1068
A
HOH
1069
2
HOH
HOH
1069
A
HOH
1070
2
HOH
HOH
1070
A
HOH
1071
2
HOH
HOH
1071
A
HOH
1072
2
HOH
HOH
1072
A
HOH
1073
2
HOH
HOH
1073
A
HOH
1074
2
HOH
HOH
1074
A
HOH
1075
2
HOH
HOH
1075
A
HOH
1076
2
HOH
HOH
1076
A
HOH
1077
2
HOH
HOH
1077
A
HOH
1078
2
HOH
HOH
1078
A
HOH
1079
2
HOH
HOH
1079
A
HOH
1080
2
HOH
HOH
1080
A
HOH
1081
2
HOH
HOH
1081
A
HOH
1082
2
HOH
HOH
1082
A
HOH
1083
2
HOH
HOH
1083
A
HOH
1084
2
HOH
HOH
1084
A
HOH
1085
2
HOH
HOH
1085
A
HOH
1086
2
HOH
HOH
1086
A
HOH
1087
2
HOH
HOH
1087
A
HOH
1088
2
HOH
HOH
1088
A
HOH
1089
2
HOH
HOH
1089
A
HOH
1090
2
HOH
HOH
1090
A
HOH
1091
2
HOH
HOH
1091
A
HOH
1092
2
HOH
HOH
1092
A
HOH
1093
2
HOH
HOH
1093
A
HOH
1094
2
HOH
HOH
1094
A
HOH
1095
2
HOH
HOH
1095
A
HOH
1096
2
HOH
HOH
1096
A
HOH
1097
2
HOH
HOH
1097
A
HOH
1098
2
HOH
HOH
1098
A
HOH
1099
2
HOH
HOH
1099
A
HOH
1100
2
HOH
HOH
1100
A
HOH
1101
2
HOH
HOH
1101
A
HOH
1102
2
HOH
HOH
1102
A
HOH
1103
2
HOH
HOH
1103
A
HOH
1104
2
HOH
HOH
1104
A
HOH
1105
2
HOH
HOH
1105
A
HOH
1106
2
HOH
HOH
1106
A
HOH
1107
2
HOH
HOH
1107
A
HOH
1108
2
HOH
HOH
1108
A
HOH
1109
2
HOH
HOH
1109
A
HOH
1110
2
HOH
HOH
1110
A
HOH
1112
2
HOH
HOH
1112
A
HOH
1113
2
HOH
HOH
1113
A
HOH
1114
2
HOH
HOH
1114
A
HOH
1115
2
HOH
HOH
1115
A
HOH
1116
2
HOH
HOH
1116
A
HOH
1117
2
HOH
HOH
1117
A
HOH
1118
2
HOH
HOH
1118
A
HOH
1119
2
HOH
HOH
1119
A
HOH
1120
2
HOH
HOH
1120
A
HOH
1121
2
HOH
HOH
1121
A
HOH
1122
2
HOH
HOH
1122
A
HOH
1123
2
HOH
HOH
1123
A
HOH
1124
2
HOH
HOH
1124
A
HOH
1125
2
HOH
HOH
1125
A
HOH
1126
2
HOH
HOH
1126
A
HOH
1127
2
HOH
HOH
1127
A
HOH
1128
2
HOH
HOH
1128
A
HOH
1129
2
HOH
HOH
1129
A
HOH
1130
2
HOH
HOH
1130
A
HOH
1131
2
HOH
HOH
1131
A
HOH
1132
2
HOH
HOH
1132
A
HOH
1133
2
HOH
HOH
1133
A
HOH
1134
2
HOH
HOH
1134
A
HOH
1135
2
HOH
HOH
1135
A
HOH
1136
2
HOH
HOH
1136
A
HOH
1137
2
HOH
HOH
1137
A
HOH
1138
2
HOH
HOH
1138
A
HOH
1139
2
HOH
HOH
1139
A
HOH
1140
2
HOH
HOH
1140
A
HOH
1141
2
HOH
HOH
1141
A
HOH
1142
2
HOH
HOH
1142
A
HOH
1143
2
HOH
HOH
1143
A
HOH
1144
2
HOH
HOH
1144
A
HOH
1145
2
HOH
HOH
1145
A
HOH
1146
2
HOH
HOH
1146
A
HOH
1147
2
HOH
HOH
1147
A
HOH
1148
2
HOH
HOH
1148
A
HOH
1149
2
HOH
HOH
1149
A
HOH
1150
2
HOH
HOH
1150
A
HOH
1151
2
HOH
HOH
1151
A
HOH
1152
2
HOH
HOH
1152
A
HOH
1153
2
HOH
HOH
1153
A
HOH
1154
2
HOH
HOH
1154
A
HOH
1155
2
HOH
HOH
1155
A
HOH
1156
2
HOH
HOH
1156
A
HOH
1157
2
HOH
HOH
1157
A
HOH
1158
2
HOH
HOH
1158
A
HOH
1159
2
HOH
HOH
1159
A
HOH
1160
2
HOH
HOH
1160
A
HOH
1161
2
HOH
HOH
1161
A
HOH
1162
2
HOH
HOH
1162
A
HOH
1163
2
HOH
HOH
1163
A
HOH
1164
2
HOH
HOH
1164
A
HOH
1165
2
HOH
HOH
1165
A
HOH
1166
2
HOH
HOH
1166
A
HOH
1167
2
HOH
HOH
1167
A
HOH
1169
2
HOH
HOH
1169
A
HOH
1174
2
HOH
HOH
1174
A
HOH
1175
2
HOH
HOH
1175
A
HOH
1176
2
HOH
HOH
1176
A
HOH
1178
2
HOH
HOH
1178
A
HOH
1182
2
HOH
HOH
1182
A
HOH
1183
2
HOH
HOH
1183
A
HOH
1184
2
HOH
HOH
1184
A
HOH
1198
2
HOH
HOH
1198
A
HOH
1203
2
HOH
HOH
1203
A
HOH
1204
2
HOH
HOH
1204
A
HOH
1205
2
HOH
HOH
1205
A
HOH
1206
2
HOH
HOH
1206
A
HOH
1207
2
HOH
HOH
1207
A
HOH
1208
2
HOH
HOH
1208
A
HOH
1209
2
HOH
HOH
1209
A
HOH
1210
2
HOH
HOH
1210
A
HOH
1211
2
HOH
HOH
1211
A
HOH
1212
2
HOH
HOH
1212
A
HOH
1214
2
HOH
HOH
1214
A
HOH
1215
2
HOH
HOH
1215
A
HOH
1216
2
HOH
HOH
1216
A
HOH
1217
2
HOH
HOH
1217
A
HOH
1218
2
HOH
HOH
1218
A
HOH
1219
2
HOH
HOH
1219
A
HOH
1220
2
HOH
HOH
1220
A
HOH
1221
2
HOH
HOH
1221
A
HOH
1222
2
HOH
HOH
1222
A
HOH
1223
2
HOH
HOH
1223
A
HOH
1224
2
HOH
HOH
1224
A
HOH
1225
2
HOH
HOH
1225
A
HOH
1226
2
HOH
HOH
1226
A
HOH
1227
2
HOH
HOH
1227
A
GLN
1
n
1
GLN
1
A
ALA
2
n
2
ALA
2
A
ALA
3
n
3
ALA
3
A
GLN
4
n
4
GLN
4
A
SER
5
n
5
SER
5
A
VAL
6
n
6
VAL
6
A
ASP
7
n
7
ASP
7
A
GLN
8
n
8
GLN
8
A
LEU
9
n
9
LEU
9
A
ILE
10
n
10
ILE
10
A
LYS
11
n
11
LYS
11
A
ALA
12
n
12
ALA
12
A
ARG
13
n
13
ARG
13
A
GLY
14
n
14
GLY
14
A
LYS
15
n
15
LYS
15
A
VAL
16
n
16
VAL
16
A
TYR
17
n
17
TYR
17
A
PHE
18
n
18
PHE
18
A
GLY
19
n
19
GLY
19
A
VAL
20
n
20
VAL
20
A
ALA
21
n
21
ALA
21
A
THR
22
n
22
THR
22
A
ASP
23
n
23
ASP
23
A
GLN
24
n
24
GLN
24
A
ASN
25
n
25
ASN
25
A
ARG
26
n
26
ARG
26
A
LEU
27
n
27
LEU
27
A
THR
28
n
28
THR
28
A
THR
29
n
29
THR
29
A
GLY
30
n
30
GLY
30
A
LYS
31
n
31
LYS
31
A
ASN
32
n
32
ASN
32
A
ALA
33
n
33
ALA
33
A
ALA
34
n
34
ALA
34
A
ILE
35
n
35
ILE
35
A
ILE
36
n
36
ILE
36
A
GLN
37
n
37
GLN
37
A
ALA
38
n
38
ALA
38
A
ASP
39
n
39
ASP
39
A
PHE
40
n
40
PHE
40
A
GLY
41
n
41
GLY
41
A
GLN
42
n
42
GLN
42
A
VAL
43
n
43
VAL
43
A
THR
44
n
44
THR
44
A
PRO
45
n
45
PRO
45
A
GLU
46
n
46
GLU
46
A
ASN
47
n
47
ASN
47
A
SER
48
n
48
SER
48
A
MET
49
n
49
MET
49
A
LYS
50
n
50
LYS
50
A
TRP
51
n
51
TRP
51
A
ASP
52
n
52
ASP
52
A
ALA
53
n
53
ALA
53
A
THR
54
n
54
THR
54
A
GLU
55
n
55
GLU
55
A
PRO
56
n
56
PRO
56
A
SER
57
n
57
SER
57
A
GLN
58
n
58
GLN
58
A
GLY
59
n
59
GLY
59
A
ASN
60
n
60
ASN
60
A
PHE
61
n
61
PHE
61
A
ASN
62
n
62
ASN
62
A
PHE
63
n
63
PHE
63
A
ALA
64
n
64
ALA
64
A
GLY
65
n
65
GLY
65
A
ALA
66
n
66
ALA
66
A
ASP
67
n
67
ASP
67
A
TYR
68
n
68
TYR
68
A
LEU
69
n
69
LEU
69
A
VAL
70
n
70
VAL
70
A
ASN
71
n
71
ASN
71
A
TRP
72
n
72
TRP
72
A
ALA
73
n
73
ALA
73
A
GLN
74
n
74
GLN
74
A
GLN
75
n
75
GLN
75
A
ASN
76
n
76
ASN
76
A
GLY
77
n
77
GLY
77
A
LYS
78
n
78
LYS
78
A
LEU
79
n
79
LEU
79
A
ILE
80
n
80
ILE
80
A
ARG
81
n
81
ARG
81
A
GLY
82
n
82
GLY
82
A
HIS
83
n
83
HIS
83
A
THR
84
n
84
THR
84
A
LEU
85
n
85
LEU
85
A
VAL
86
n
86
VAL
86
A
TRP
87
n
87
TRP
87
A
HIS
88
n
88
HIS
88
A
SER
89
n
89
SER
89
A
GLN
90
n
90
GLN
90
A
LEU
91
n
91
LEU
91
A
PRO
92
n
92
PRO
92
A
SER
93
n
93
SER
93
A
TRP
94
n
94
TRP
94
A
VAL
95
n
95
VAL
95
A
SER
96
n
96
SER
96
A
SER
97
n
97
SER
97
A
ILE
98
n
98
ILE
98
A
THR
99
n
99
THR
99
A
ASP
100
n
100
ASP
100
A
LYS
101
n
101
LYS
101
A
ASN
102
n
102
ASN
102
A
THR
103
n
103
THR
103
A
LEU
104
n
104
LEU
104
A
THR
105
n
105
THR
105
A
ASN
106
n
106
ASN
106
A
VAL
107
n
107
VAL
107
A
MET
108
n
108
MET
108
A
LYS
109
n
109
LYS
109
A
ASN
110
n
110
ASN
110
A
HIS
111
n
111
HIS
111
A
ILE
112
n
112
ILE
112
A
THR
113
n
113
THR
113
A
THR
114
n
114
THR
114
A
LEU
115
n
115
LEU
115
A
MET
116
n
116
MET
116
A
THR
117
n
117
THR
117
A
ARG
118
n
118
ARG
118
A
TYR
119
n
119
TYR
119
A
LYS
120
n
120
LYS
120
A
GLY
121
n
121
GLY
121
A
LYS
122
n
122
LYS
122
A
ILE
123
n
123
ILE
123
A
ARG
124
n
124
ARG
124
A
ALA
125
n
125
ALA
125
A
TRP
126
n
126
TRP
126
A
ASP
127
n
127
ASP
127
A
VAL
128
n
128
VAL
128
A
VAL
129
n
129
VAL
129
A
ASN
130
n
130
ASN
130
A
GLU
131
n
131
GLU
131
A
ALA
132
n
132
ALA
132
A
PHE
133
n
133
PHE
133
A
ASN
134
n
134
ASN
134
A
GLU
135
n
135
GLU
135
A
ASP
136
n
136
ASP
136
A
GLY
137
n
137
GLY
137
A
SER
138
n
138
SER
138
A
LEU
139
n
139
LEU
139
A
ARG
140
n
140
ARG
140
A
GLN
141
n
141
GLN
141
A
THR
142
n
142
THR
142
A
VAL
143
n
143
VAL
143
A
PHE
144
n
144
PHE
144
A
LEU
145
n
145
LEU
145
A
ASN
146
n
146
ASN
146
A
VAL
147
n
147
VAL
147
A
ILE
148
n
148
ILE
148
A
GLY
149
n
149
GLY
149
A
GLU
150
n
150
GLU
150
A
ASP
151
n
151
ASP
151
A
TYR
152
n
152
TYR
152
A
ILE
153
n
153
ILE
153
A
PRO
154
n
154
PRO
154
A
ILE
155
n
155
ILE
155
A
ALA
156
n
156
ALA
156
A
PHE
157
n
157
PHE
157
A
GLN
158
n
158
GLN
158
A
THR
159
n
159
THR
159
A
ALA
160
n
160
ALA
160
A
ARG
161
n
161
ARG
161
A
ALA
162
n
162
ALA
162
A
ALA
163
n
163
ALA
163
A
ASP
164
n
164
ASP
164
A
PRO
165
n
165
PRO
165
A
ASN
166
n
166
ASN
166
A
ALA
167
n
167
ALA
167
A
LYS
168
n
168
LYS
168
A
LEU
169
n
169
LEU
169
A
TYR
170
n
170
TYR
170
A
ILE
171
n
171
ILE
171
A
ASN
172
n
172
ASN
172
A
ASP
173
n
173
ASP
173
A
TYR
174
n
174
TYR
174
A
ASN
175
n
175
ASN
175
A
LEU
176
n
176
LEU
176
A
ASP
177
n
177
ASP
177
A
SER
178
n
178
SER
178
A
ALA
179
n
179
ALA
179
A
SER
180
n
180
SER
180
A
TYR
181
n
181
TYR
181
A
PRO
182
n
182
PRO
182
A
LYS
183
n
183
LYS
183
A
THR
184
n
184
THR
184
A
GLN
185
n
185
GLN
185
A
ALA
186
n
186
ALA
186
A
ILE
187
n
187
ILE
187
A
VAL
188
n
188
VAL
188
A
ASN
189
n
189
ASN
189
A
ARG
190
n
190
ARG
190
A
VAL
191
n
191
VAL
191
A
LYS
192
n
192
LYS
192
A
GLN
193
n
193
GLN
193
A
TRP
194
n
194
TRP
194
A
ARG
195
n
195
ARG
195
A
ALA
196
n
196
ALA
196
A
ALA
197
n
197
ALA
197
A
GLY
198
n
198
GLY
198
A
VAL
199
n
199
VAL
199
A
PRO
200
n
200
PRO
200
A
ILE
201
n
201
ILE
201
A
ASP
202
n
202
ASP
202
A
GLY
203
n
203
GLY
203
A
ILE
204
n
204
ILE
204
A
GLY
205
n
205
GLY
205
A
SER
206
n
206
SER
206
A
GLN
207
n
207
GLN
207
A
THR
208
n
208
THR
208
A
HIS
209
n
209
HIS
209
A
LEU
210
n
210
LEU
210
A
SER
211
n
211
SER
211
A
ALA
212
n
212
ALA
212
A
GLY
213
n
213
GLY
213
A
GLN
214
n
214
GLN
214
A
GLY
215
n
215
GLY
215
A
ALA
216
n
216
ALA
216
A
GLY
217
n
217
GLY
217
A
VAL
218
n
218
VAL
218
A
LEU
219
n
219
LEU
219
A
GLN
220
n
220
GLN
220
A
ALA
221
n
221
ALA
221
A
LEU
222
n
222
LEU
222
A
PRO
223
n
223
PRO
223
A
LEU
224
n
224
LEU
224
A
LEU
225
n
225
LEU
225
A
ALA
226
n
226
ALA
226
A
SER
227
n
227
SER
227
A
ALA
228
n
228
ALA
228
A
GLY
229
n
229
GLY
229
A
THR
230
n
230
THR
230
A
PRO
231
n
231
PRO
231
A
GLU
232
n
232
GLU
232
A
VAL
233
n
233
VAL
233
A
ALA
234
n
234
ALA
234
A
ILE
235
n
235
ILE
235
A
THR
236
n
236
THR
236
A
GLU
237
n
237
GLU
237
A
LEU
238
n
238
LEU
238
A
ASP
239
n
239
ASP
239
A
VAL
240
n
240
VAL
240
A
ALA
241
n
241
ALA
241
A
GLY
242
n
242
GLY
242
A
ALA
243
n
243
ALA
243
A
SER
244
n
244
SER
244
A
PRO
245
n
245
PRO
245
A
THR
246
n
246
THR
246
A
ASP
247
n
247
ASP
247
A
TYR
248
n
248
TYR
248
A
VAL
249
n
249
VAL
249
A
ASN
250
n
250
ASN
250
A
VAL
251
n
251
VAL
251
A
VAL
252
n
252
VAL
252
A
ASN
253
n
253
ASN
253
A
ALA
254
n
254
ALA
254
A
CYS
255
n
255
CYS
255
A
LEU
256
n
256
LEU
256
A
ASN
257
n
257
ASN
257
A
VAL
258
n
258
VAL
258
A
GLN
259
n
259
GLN
259
A
SER
260
n
260
SER
260
A
CYS
261
n
261
CYS
261
A
VAL
262
n
262
VAL
262
A
GLY
263
n
263
GLY
263
A
ILE
264
n
264
ILE
264
A
THR
265
n
265
THR
265
A
VAL
266
n
266
VAL
266
A
TRP
267
n
267
TRP
267
A
GLY
268
n
268
GLY
268
A
VAL
269
n
269
VAL
269
A
ALA
270
n
270
ALA
270
A
ASP
271
n
271
ASP
271
A
PRO
272
n
272
PRO
272
A
ASP
273
n
273
ASP
273
A
SER
274
n
274
SER
274
A
TRP
275
n
275
TRP
275
A
ARG
276
n
276
ARG
276
A
ALA
277
n
277
ALA
277
A
SER
278
n
278
SER
278
A
THR
279
n
279
THR
279
A
THR
280
n
280
THR
280
A
PRO
281
n
281
PRO
281
A
LEU
282
n
282
LEU
282
A
LEU
283
n
283
LEU
283
A
PHE
284
n
284
PHE
284
A
ASP
285
n
285
ASP
285
A
GLY
286
n
286
GLY
286
A
ASN
287
n
287
ASN
287
A
PHE
288
n
288
PHE
288
A
ASN
289
n
289
ASN
289
A
PRO
290
n
290
PRO
290
A
LYS
291
n
291
LYS
291
A
PRO
292
n
292
PRO
292
A
ALA
293
n
293
ALA
293
A
TYR
294
n
294
TYR
294
A
ASN
295
n
295
ASN
295
A
ALA
296
n
296
ALA
296
A
ILE
297
n
297
ILE
297
A
VAL
298
n
298
VAL
298
A
GLN
299
n
299
GLN
299
A
ASP
300
n
300
ASP
300
A
LEU
301
n
301
LEU
301
A
GLN
302
n
302
GLN
302
A
n
303
303
A
0.1065
0.1093
0.1128
0.1159
0.1418
0.1458
3650
4019
5.3
5.3
68979
author_defined_assembly
1
monomeric
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
1_555
x,y,z
identity operation
0.0000000000
0.0000000000
0.0000000000
A
N
LEU
210
A
N
LEU
210
A
O
ASP
239
A
O
ASP
239
A
N
ALA
234
A
N
ALA
234
A
O
ILE
204
A
O
ILE
204
A
N
GLY
203
A
N
GLY
203
A
O
LEU
169
A
O
LEU
169
A
N
TYR
170
A
N
TYR
170
A
O
TRP
126
A
O
TRP
126
A
N
ALA
125
A
N
ALA
125
A
O
ILE
80
A
O
ILE
80
A
O
LEU
79
A
O
LEU
79
A
N
VAL
43
A
N
VAL
43
A
O
GLN
42
A
O
GLN
42
A
N
VAL
20
A
N
VAL
20
A
N
TYR
17
A
N
TYR
17
A
O
VAL
262
A
O
VAL
262
A
N
VAL
262
A
N
VAL
262
A
O
VAL
233
A
O
VAL
233
1
A
NE2
GLN
1
A
NE2
GLN
1
1
Y
1
A
GLN
303
A
GLN
303
1
Y
1
A
GLN
8
0.115
SIDE CHAIN
1
A
GLN
158
0.121
SIDE CHAIN
1
A
GLN
193
0.091
SIDE CHAIN
1
A
GLN
259
0.107
SIDE CHAIN
1
A
ASP
300
0.083
SIDE CHAIN
1
-5.98
0.50
120.30
114.32
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
13
13
13
N
1
-3.78
0.60
121.00
117.22
A
A
A
CB
CG
CD2
TYR
TYR
TYR
68
68
68
N
1
5.88
0.60
121.00
126.88
A
A
A
CB
CG
CD1
TYR
TYR
TYR
68
68
68
N
1
3.61
0.50
120.30
123.91
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
81
81
81
N
1
-16.47
2.10
111.80
95.33
A
A
A
CG
CD
NE
ARG
ARG
ARG
124
124
124
N
1
6.83
0.50
120.30
127.13
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
124
124
124
N
1
-7.45
0.50
120.30
112.85
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
124
124
124
N
1
4.22
0.50
120.30
124.52
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
161
161
161
N
1
-5.86
0.50
120.30
114.44
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
190
190
190
N
1
-3.92
0.50
120.30
116.38
A
A
A
NE
CZ
NH2
ARG
ARG
ARG
195
195
195
N
1
6.03
0.90
118.30
124.33
A
A
A
CB
CG
OD1
ASP
ASP
ASP
271
271
271
N
1
-7.04
0.90
118.30
111.26
A
A
A
CB
CG
OD2
ASP
ASP
ASP
271
271
271
N
1
8.28
1.30
126.60
134.88
A
A
A
CB
CG
CD2
TRP
TRP
TRP
275
275
275
A
A
A
N
1
13.85
1.40
123.60
137.45
A
A
A
CD
NE
CZ
ARG
ARG
ARG
276
276
276
C
C
C
N
1
5.22
0.50
120.30
125.52
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
276
276
276
C
C
C
N
1
7.04
0.90
118.30
125.34
A
A
A
CB
CG
OD1
ASP
ASP
ASP
300
300
300
N
1
-10.25
0.90
118.30
108.05
A
A
A
CB
CG
OD2
ASP
ASP
ASP
300
300
300
N
1
A
A
CD
OE1
GLU
GLU
131
131
0.096
0.011
1.252
1.348
N
1
A
A
CD
OE2
GLU
GLU
131
131
-0.091
0.011
1.252
1.161
N
1
A
A
CB
OG
SER
SER
244
244
-0.080
0.013
1.418
1.338
N
1
A
ASN
47
-143.47
-23.93
1
A
GLU
237
-144.87
45.83
1
A
VAL
269
-93.74
-67.37
1
A
THR
280
32.92
64.53
0.1458
0.1093
0.11
0.1065
1.14
10.00
23110
4019
76489
80628
29211
5.3
80.9
RANDOM
1
FREE R
0.0
MOLECULAR REPLACEMENT
ENGH AND HUBER
17
2089.00
2518.01
1.14
10.00
199
4740
0
0
4541
0.014
0.028
0.000
0.0290
0.085
0.091
0.042
0.005
0.048
0.054
0.097
1.15
79.9
1.14
39.5
1K6A
80691
80508
0
0
1
85.2
1.14
1.15
72.7
data reduction
DENZO
data scaling
SCALEPACK
model building
SHELX
refinement
SHELXL-97
phasing
SHELX
xylanase I(E.C.3.2.1.8)
Structural studies on the mobility in the active site of the Thermoascus aurantiacus xylanase I
1
N
N
2
N
N
A
SER
5
A
SER
5
HELX_P
A
ARG
13
A
ARG
13
1
1
9
A
ASP
23
A
ASP
23
HELX_P
A
THR
28
A
THR
28
1
2
6
A
LYS
31
A
LYS
31
HELX_P
A
PHE
40
A
PHE
40
1
3
10
A
LYS
50
A
LYS
50
HELX_P
A
GLU
55
A
GLU
55
1
4
6
A
PHE
63
A
PHE
63
HELX_P
A
GLY
77
A
GLY
77
1
5
15
A
PRO
92
A
PRO
92
HELX_P
A
SER
97
A
SER
97
1
6
6
A
ASP
100
A
ASP
100
HELX_P
A
TYR
119
A
TYR
119
1
7
20
A
THR
142
A
THR
142
HELX_P
A
GLY
149
A
GLY
149
1
8
8
A
ASP
151
A
ASP
151
HELX_P
A
ASP
164
A
ASP
164
1
9
14
A
TYR
181
A
TYR
181
HELX_P
A
ALA
197
A
ALA
197
1
10
17
A
GLN
214
A
GLN
214
HELX_P
A
SER
227
A
SER
227
1
11
14
A
SER
244
A
SER
244
HELX_P
A
VAL
258
A
VAL
258
1
12
15
A
ALA
270
A
ALA
270
HELX_P
A
SER
274
A
SER
274
5
13
5
A
ARG
276
A
ARG
276
HELX_P
A
THR
280
A
THR
280
5
14
5
A
LYS
291
A
LYS
291
HELX_P
A
GLN
302
A
GLN
302
1
15
12
disulf
2.029
A
CYS
255
A
SG
CYS
255
1_555
A
CYS
261
A
SG
CYS
261
1_555
HYDROLASE
alternate conformations, active site mobility, HYDROLASE
A
HIS
83
A
HIS
83
1
A
THR
84
A
THR
84
-2.79
XYNA_THEAU
UNP
1
27
P23360
QAAQSVDQLIKARGKVYFGVATDQNRLTTGKNAAIIQADFGQVTPENSMKWDATEPSQGNFNFAGADYLVNWAQQNGKLI
RGHTLVWHSQLPSWVSSITDKNTLTNVMKNHITTLMTRYKGKIRAWDVVNEAFNEDGSLRQTVFLNVIGEDYIPIAFQTA
RAADPNAKLYINDYNLDSASYPKTQAIVNRVKQWRAAGVPIDGIGSQTHLSAGQGAGVLQALPLLASAGTPEVAITELDV
AGASPTDYVNVVNACLNVQSCVGITVWGVADPDSWRASTTPLLFDGNFNPKPAYNAIVQDLQQ
27
329
1K6A
1
303
P23360
A
1
1
303
10
parallel
parallel
parallel
parallel
parallel
parallel
parallel
parallel
parallel
A
HIS
209
A
HIS
209
A
LEU
210
A
LEU
210
A
GLU
232
A
GLU
232
A
VAL
240
A
VAL
240
A
GLY
203
A
GLY
203
A
SER
206
A
SER
206
A
LYS
168
A
LYS
168
A
ASP
173
A
ASP
173
A
ALA
125
A
ALA
125
A
ASN
130
A
ASN
130
A
LEU
79
A
LEU
79
A
VAL
86
A
VAL
86
A
GLN
42
A
GLN
42
A
PRO
45
A
PRO
45
A
TYR
17
A
TYR
17
A
THR
22
A
THR
22
A
CYS
261
A
CYS
261
A
VAL
266
A
VAL
266
A
GLU
232
A
GLU
232
A
VAL
240
A
VAL
240
4
P 1 21 1