0.006065
0.000000
0.001508
0.000000
0.013370
0.000000
0.000000
0.000000
0.011803
0.00000
0.00000
0.00000
Junop, M.
Modesti, M.
Guarne, A.
Gellert, M.
Yang, W.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
103.97
90.00
164.892
74.793
87.307
C2 H4 O2
60.052
ACETIC ACID
non-polymer
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
C5 H12 As N O2 S
225.141
n
S-(DIMETHYLARSENIC)CYSTEINE
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
UK
EMBO J.
EMJODG
0897
0261-4189
19
5962
5970
10.1093/emboj/19.22.5962
11080143
Crystal structure of the Xrcc4 DNA repair protein and implications for end joining.
2000
10.2210/pdb1fu1/pdb
pdb_00001fu1
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
95
1
CCD
2000-02-10
MARRESEARCH
SINGLE WAVELENGTH
M
x-ray
1
0.979
1.0
X9B
NSLS
0.979
SYNCHROTRON
NSLS BEAMLINE X9B
23782.432
DNA REPAIR PROTEIN XRCC4
N-TERMINAL DOMAIN, RESIDUES 1-203
T135I
2
man
polymer
60.052
ACETIC ACID
4
syn
non-polymer
18.015
water
61
nat
water
no
yes
MERKISRIHLVSEPSITHFLQVSWEKTLESGFVITLTDGHSAWTGTVSESEISQEADDMAMEKGKYVGELRKALLSGAGP
ADVYTFNFSKES(CAS)YFFFEKNLKDVSFRLGSFNLEKVENPAEVIRELI(CAS)Y(CAS)LDTTAENQAKNEHLQKEN
ERLLRDWNDVQGRFEK(CAS)VSAKEALETDLYKRFILVLNEKKTKIRSLHNKLLNAAQ
MERKISRIHLVSEPSITHFLQVSWEKTLESGFVITLTDGHSAWTGTVSESEISQEADDMAMEKGKYVGELRKALLSGAGP
ADVYTFNFSKESCYFFFEKNLKDVSFRLGSFNLEKVENPAEVIRELICYCLDTTAENQAKNEHLQKENERLLRDWNDVQG
RFEKCVSAKEALETDLYKRFILVLNEKKTKIRSLHNKLLNAAQ
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
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
human
Homo
NON-TISSUE SPECIFIC
Escherichia
sample
9606
Homo sapiens
562
Escherichia coli
PLASMID
PACYC154
1
VAPOR DIFFUSION, HANGING DROP
6.5
Ammonium sulphate, magnesium acetate, DTT, cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
293.0
database_2
struct_conn
struct_ref_seq_dif
struct_site
repository
Initial release
Version format compliance
Derived calculations
Version format compliance
Database references
Derived calculations
1
0
2000-12-11
1
1
2008-04-27
1
2
2011-07-13
1
3
2021-11-03
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_conn.pdbx_leaving_atom_flag
_struct_ref_seq_dif.details
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
RCSB
Y
RCSB
2000-09-13
REL
REL
ACY
ACETIC ACID
HOH
water
ACY
501
2
ACY
ACY
501
A
ACY
502
2
ACY
ACY
502
A
ACY
503
2
ACY
ACY
503
A
ACY
504
2
ACY
ACY
504
A
HOH
1
3
HOH
HOH
505
A
HOH
2
3
HOH
HOH
506
A
HOH
3
3
HOH
HOH
507
A
HOH
4
3
HOH
HOH
508
A
HOH
5
3
HOH
HOH
509
A
HOH
6
3
HOH
HOH
510
A
HOH
7
3
HOH
HOH
511
A
HOH
8
3
HOH
HOH
512
A
HOH
9
3
HOH
HOH
513
A
HOH
10
3
HOH
HOH
514
A
HOH
16
3
HOH
HOH
515
A
HOH
18
3
HOH
HOH
516
A
HOH
19
3
HOH
HOH
517
A
HOH
20
3
HOH
HOH
518
A
HOH
21
3
HOH
HOH
519
A
HOH
22
3
HOH
HOH
520
A
HOH
23
3
HOH
HOH
521
A
HOH
24
3
HOH
HOH
522
A
HOH
25
3
HOH
HOH
523
A
HOH
26
3
HOH
HOH
524
A
HOH
27
3
HOH
HOH
525
A
HOH
30
3
HOH
HOH
526
A
HOH
31
3
HOH
HOH
527
A
HOH
32
3
HOH
HOH
528
A
HOH
43
3
HOH
HOH
529
A
HOH
44
3
HOH
HOH
530
A
HOH
45
3
HOH
HOH
531
A
HOH
46
3
HOH
HOH
532
A
HOH
47
3
HOH
HOH
533
A
HOH
48
3
HOH
HOH
534
A
HOH
49
3
HOH
HOH
535
A
HOH
50
3
HOH
HOH
536
A
HOH
51
3
HOH
HOH
537
A
HOH
52
3
HOH
HOH
538
A
HOH
53
3
HOH
HOH
539
A
HOH
54
3
HOH
HOH
540
A
HOH
60
3
HOH
HOH
541
A
HOH
61
3
HOH
HOH
542
A
HOH
62
3
HOH
HOH
543
A
HOH
63
3
HOH
HOH
544
A
HOH
11
3
HOH
HOH
11
B
HOH
12
3
HOH
HOH
12
B
HOH
13
3
HOH
HOH
13
B
HOH
14
3
HOH
HOH
14
B
HOH
15
3
HOH
HOH
15
B
HOH
17
3
HOH
HOH
17
B
HOH
28
3
HOH
HOH
28
B
HOH
29
3
HOH
HOH
29
B
HOH
33
3
HOH
HOH
33
B
HOH
34
3
HOH
HOH
34
B
HOH
35
3
HOH
HOH
35
B
HOH
36
3
HOH
HOH
36
B
HOH
37
3
HOH
HOH
37
B
HOH
38
3
HOH
HOH
38
B
HOH
39
3
HOH
HOH
39
B
HOH
40
3
HOH
HOH
40
B
HOH
41
3
HOH
HOH
41
B
HOH
42
3
HOH
HOH
42
B
HOH
56
3
HOH
HOH
56
B
HOH
58
3
HOH
HOH
58
B
HOH
59
3
HOH
HOH
59
B
MET
1
n
1
MET
1
A
GLU
2
n
2
GLU
2
A
ARG
3
n
3
ARG
3
A
LYS
4
n
4
LYS
4
A
ILE
5
n
5
ILE
5
A
SER
6
n
6
SER
6
A
ARG
7
n
7
ARG
7
A
ILE
8
n
8
ILE
8
A
HIS
9
n
9
HIS
9
A
LEU
10
n
10
LEU
10
A
VAL
11
n
11
VAL
11
A
SER
12
n
12
SER
12
A
GLU
13
n
13
GLU
13
A
PRO
14
n
14
PRO
14
A
SER
15
n
15
SER
15
A
ILE
16
n
16
ILE
16
A
THR
17
n
17
THR
17
A
HIS
18
n
18
HIS
18
A
PHE
19
n
19
PHE
19
A
LEU
20
n
20
LEU
20
A
GLN
21
n
21
GLN
21
A
VAL
22
n
22
VAL
22
A
SER
23
n
23
SER
23
A
TRP
24
n
24
TRP
24
A
GLU
25
n
25
GLU
25
A
LYS
26
n
26
LYS
26
A
THR
27
n
27
THR
27
A
LEU
28
n
28
LEU
28
A
GLU
29
n
29
GLU
29
A
SER
30
n
30
SER
30
A
GLY
31
n
31
GLY
31
A
PHE
32
n
32
PHE
32
A
VAL
33
n
33
VAL
33
A
ILE
34
n
34
ILE
34
A
THR
35
n
35
THR
35
A
LEU
36
n
36
LEU
36
A
THR
37
n
37
THR
37
A
ASP
38
n
38
ASP
38
A
GLY
39
n
39
GLY
39
A
HIS
40
n
40
HIS
40
A
SER
41
n
41
SER
41
A
ALA
42
n
42
ALA
42
A
TRP
43
n
43
TRP
43
A
THR
44
n
44
THR
44
A
GLY
45
n
45
GLY
45
A
THR
46
n
46
THR
46
A
VAL
47
n
47
VAL
47
A
SER
48
n
48
SER
48
A
GLU
49
n
49
GLU
49
A
SER
50
n
50
SER
50
A
GLU
51
n
51
GLU
51
A
ILE
52
n
52
ILE
52
A
SER
53
n
53
SER
53
A
GLN
54
n
54
GLN
54
A
GLU
55
n
55
GLU
55
A
ALA
56
n
56
ALA
56
A
ASP
57
n
57
ASP
57
A
ASP
58
n
58
ASP
58
A
MET
59
n
59
MET
59
A
ALA
60
n
60
ALA
60
A
MET
61
n
61
MET
61
A
GLU
62
n
62
GLU
62
A
LYS
63
n
63
LYS
63
A
GLY
64
n
64
GLY
64
A
LYS
65
n
65
LYS
65
A
TYR
66
n
66
TYR
66
A
VAL
67
n
67
VAL
67
A
GLY
68
n
68
GLY
68
A
GLU
69
n
69
GLU
69
A
LEU
70
n
70
LEU
70
A
ARG
71
n
71
ARG
71
A
LYS
72
n
72
LYS
72
A
ALA
73
n
73
ALA
73
A
LEU
74
n
74
LEU
74
A
LEU
75
n
75
LEU
75
A
SER
76
n
76
SER
76
A
GLY
77
n
77
GLY
77
A
ALA
78
n
78
ALA
78
A
GLY
79
n
79
GLY
79
A
PRO
80
n
80
PRO
80
A
ALA
81
n
81
ALA
81
A
ASP
82
n
82
ASP
82
A
VAL
83
n
83
VAL
83
A
TYR
84
n
84
TYR
84
A
THR
85
n
85
THR
85
A
PHE
86
n
86
PHE
86
A
ASN
87
n
87
ASN
87
A
PHE
88
n
88
PHE
88
A
SER
89
n
89
SER
89
A
LYS
90
n
90
LYS
90
A
GLU
91
n
91
GLU
91
A
SER
92
n
92
SER
92
A
CAS
93
n
93
CAS
93
A
TYR
94
n
94
TYR
94
A
PHE
95
n
95
PHE
95
A
PHE
96
n
96
PHE
96
A
PHE
97
n
97
PHE
97
A
GLU
98
n
98
GLU
98
A
LYS
99
n
99
LYS
99
A
ASN
100
n
100
ASN
100
A
LEU
101
n
101
LEU
101
A
LYS
102
n
102
LYS
102
A
ASP
103
n
103
ASP
103
A
VAL
104
n
104
VAL
104
A
SER
105
n
105
SER
105
A
PHE
106
n
106
PHE
106
A
ARG
107
n
107
ARG
107
A
LEU
108
n
108
LEU
108
A
GLY
109
n
109
GLY
109
A
SER
110
n
110
SER
110
A
PHE
111
n
111
PHE
111
A
ASN
112
n
112
ASN
112
A
LEU
113
n
113
LEU
113
A
GLU
114
n
114
GLU
114
A
LYS
115
n
115
LYS
115
A
VAL
116
n
116
VAL
116
A
GLU
117
n
117
GLU
117
A
ASN
118
n
118
ASN
118
A
PRO
119
n
119
PRO
119
A
ALA
120
n
120
ALA
120
A
GLU
121
n
121
GLU
121
A
VAL
122
n
122
VAL
122
A
ILE
123
n
123
ILE
123
A
ARG
124
n
124
ARG
124
A
GLU
125
n
125
GLU
125
A
LEU
126
n
126
LEU
126
A
ILE
127
n
127
ILE
127
A
CAS
128
n
128
CAS
128
A
TYR
129
n
129
TYR
129
A
CAS
130
n
130
CAS
130
A
LEU
131
n
131
LEU
131
A
ASP
132
n
132
ASP
132
A
THR
133
n
133
THR
133
A
THR
134
n
134
THR
134
A
ALA
135
n
135
ALA
135
A
GLU
136
n
136
GLU
136
A
ASN
137
n
137
ASN
137
A
GLN
138
n
138
GLN
138
A
ALA
139
n
139
ALA
139
A
LYS
140
n
140
LYS
140
A
ASN
141
n
141
ASN
141
A
GLU
142
n
142
GLU
142
A
HIS
143
n
143
HIS
143
A
LEU
144
n
144
LEU
144
A
GLN
145
n
145
GLN
145
A
LYS
146
n
146
LYS
146
A
GLU
147
n
147
GLU
147
A
ASN
148
n
148
ASN
148
A
GLU
149
n
149
GLU
149
A
ARG
150
n
150
ARG
150
A
LEU
151
n
151
LEU
151
A
LEU
152
n
152
LEU
152
A
ARG
153
n
153
ARG
153
A
ASP
154
n
154
ASP
154
A
TRP
155
n
155
TRP
155
A
ASN
156
n
156
ASN
156
A
ASP
157
n
157
ASP
157
A
VAL
158
n
158
VAL
158
A
GLN
159
n
159
GLN
159
A
GLY
160
n
160
GLY
160
A
ARG
161
n
161
ARG
161
A
PHE
162
n
162
PHE
162
A
GLU
163
n
163
GLU
163
A
LYS
164
n
164
LYS
164
A
CAS
165
n
165
CAS
165
A
VAL
166
n
166
VAL
166
A
SER
167
n
167
SER
167
A
ALA
168
n
168
ALA
168
A
LYS
169
n
169
LYS
169
A
GLU
170
n
170
GLU
170
A
ALA
171
n
171
ALA
171
A
LEU
172
n
172
LEU
172
A
GLU
173
n
173
GLU
173
A
THR
174
n
174
THR
174
A
ASP
175
n
175
ASP
175
A
LEU
176
n
176
LEU
176
A
TYR
177
n
177
TYR
177
A
LYS
178
n
178
LYS
178
A
n
179
179
A
n
180
180
A
n
181
181
A
n
182
182
A
n
183
183
A
n
184
184
A
n
185
185
A
n
186
186
A
n
187
187
A
n
188
188
A
n
189
189
A
n
190
190
A
n
191
191
A
n
192
192
A
n
193
193
A
n
194
194
A
n
195
195
A
n
196
196
A
n
197
197
A
n
198
198
A
n
199
199
A
n
200
200
A
n
201
201
A
n
202
202
A
n
203
203
A
MET
401
n
1
MET
401
B
GLU
402
n
2
GLU
402
B
ARG
403
n
3
ARG
403
B
LYS
404
n
4
LYS
404
B
ILE
405
n
5
ILE
405
B
SER
406
n
6
SER
406
B
ARG
407
n
7
ARG
407
B
ILE
408
n
8
ILE
408
B
HIS
409
n
9
HIS
409
B
LEU
410
n
10
LEU
410
B
VAL
411
n
11
VAL
411
B
SER
412
n
12
SER
412
B
GLU
413
n
13
GLU
413
B
PRO
414
n
14
PRO
414
B
SER
415
n
15
SER
415
B
ILE
416
n
16
ILE
416
B
THR
417
n
17
THR
417
B
HIS
418
n
18
HIS
418
B
PHE
419
n
19
PHE
419
B
LEU
420
n
20
LEU
420
B
GLN
421
n
21
GLN
421
B
VAL
422
n
22
VAL
422
B
SER
423
n
23
SER
423
B
TRP
424
n
24
TRP
424
B
GLU
425
n
25
GLU
425
B
LYS
426
n
26
LYS
426
B
THR
427
n
27
THR
427
B
LEU
428
n
28
LEU
428
B
GLU
429
n
29
GLU
429
B
SER
430
n
30
SER
430
B
GLY
431
n
31
GLY
431
B
PHE
432
n
32
PHE
432
B
VAL
433
n
33
VAL
433
B
ILE
434
n
34
ILE
434
B
THR
435
n
35
THR
435
B
LEU
436
n
36
LEU
436
B
THR
437
n
37
THR
437
B
ASP
438
n
38
ASP
438
B
GLY
439
n
39
GLY
439
B
HIS
440
n
40
HIS
440
B
SER
441
n
41
SER
441
B
ALA
442
n
42
ALA
442
B
TRP
443
n
43
TRP
443
B
THR
444
n
44
THR
444
B
GLY
445
n
45
GLY
445
B
THR
446
n
46
THR
446
B
VAL
447
n
47
VAL
447
B
SER
448
n
48
SER
448
B
GLU
449
n
49
GLU
449
B
SER
450
n
50
SER
450
B
GLU
451
n
51
GLU
451
B
ILE
452
n
52
ILE
452
B
SER
453
n
53
SER
453
B
GLN
454
n
54
GLN
454
B
GLU
455
n
55
GLU
455
B
ALA
456
n
56
ALA
456
B
ASP
457
n
57
ASP
457
B
ASP
458
n
58
ASP
458
B
MET
459
n
59
MET
459
B
ALA
460
n
60
ALA
460
B
MET
461
n
61
MET
461
B
GLU
462
n
62
GLU
462
B
LYS
463
n
63
LYS
463
B
GLY
464
n
64
GLY
464
B
LYS
465
n
65
LYS
465
B
TYR
466
n
66
TYR
466
B
VAL
467
n
67
VAL
467
B
GLY
468
n
68
GLY
468
B
GLU
469
n
69
GLU
469
B
LEU
470
n
70
LEU
470
B
ARG
471
n
71
ARG
471
B
LYS
472
n
72
LYS
472
B
ALA
473
n
73
ALA
473
B
LEU
474
n
74
LEU
474
B
LEU
475
n
75
LEU
475
B
SER
476
n
76
SER
476
B
GLY
477
n
77
GLY
477
B
ALA
478
n
78
ALA
478
B
GLY
479
n
79
GLY
479
B
PRO
480
n
80
PRO
480
B
ALA
481
n
81
ALA
481
B
ASP
482
n
82
ASP
482
B
VAL
483
n
83
VAL
483
B
TYR
484
n
84
TYR
484
B
THR
485
n
85
THR
485
B
PHE
486
n
86
PHE
486
B
ASN
487
n
87
ASN
487
B
PHE
488
n
88
PHE
488
B
SER
489
n
89
SER
489
B
LYS
490
n
90
LYS
490
B
GLU
491
n
91
GLU
491
B
SER
492
n
92
SER
492
B
CAS
493
n
93
CAS
493
B
TYR
494
n
94
TYR
494
B
PHE
495
n
95
PHE
495
B
PHE
496
n
96
PHE
496
B
PHE
497
n
97
PHE
497
B
GLU
498
n
98
GLU
498
B
LYS
499
n
99
LYS
499
B
ASN
500
n
100
ASN
500
B
LEU
501
n
101
LEU
501
B
LYS
502
n
102
LYS
502
B
ASP
503
n
103
ASP
503
B
VAL
504
n
104
VAL
504
B
SER
505
n
105
SER
505
B
PHE
506
n
106
PHE
506
B
ARG
507
n
107
ARG
507
B
LEU
508
n
108
LEU
508
B
GLY
509
n
109
GLY
509
B
SER
510
n
110
SER
510
B
PHE
511
n
111
PHE
511
B
ASN
512
n
112
ASN
512
B
LEU
513
n
113
LEU
513
B
GLU
514
n
114
GLU
514
B
LYS
515
n
115
LYS
515
B
VAL
516
n
116
VAL
516
B
GLU
517
n
117
GLU
517
B
ASN
518
n
118
ASN
518
B
PRO
519
n
119
PRO
519
B
ALA
520
n
120
ALA
520
B
GLU
521
n
121
GLU
521
B
VAL
522
n
122
VAL
522
B
ILE
523
n
123
ILE
523
B
ARG
524
n
124
ARG
524
B
GLU
525
n
125
GLU
525
B
LEU
526
n
126
LEU
526
B
ILE
527
n
127
ILE
527
B
CAS
528
n
128
CAS
528
B
TYR
529
n
129
TYR
529
B
CAS
530
n
130
CAS
530
B
LEU
531
n
131
LEU
531
B
ASP
532
n
132
ASP
532
B
THR
533
n
133
THR
533
B
THR
534
n
134
THR
534
B
ALA
535
n
135
ALA
535
B
GLU
536
n
136
GLU
536
B
ASN
537
n
137
ASN
537
B
GLN
538
n
138
GLN
538
B
ALA
539
n
139
ALA
539
B
LYS
540
n
140
LYS
540
B
ASN
541
n
141
ASN
541
B
GLU
542
n
142
GLU
542
B
HIS
543
n
143
HIS
543
B
LEU
544
n
144
LEU
544
B
GLN
545
n
145
GLN
545
B
LYS
546
n
146
LYS
546
B
GLU
547
n
147
GLU
547
B
ASN
548
n
148
ASN
548
B
GLU
549
n
149
GLU
549
B
ARG
550
n
150
ARG
550
B
LEU
551
n
151
LEU
551
B
LEU
552
n
152
LEU
552
B
ARG
553
n
153
ARG
553
B
ASP
554
n
154
ASP
554
B
TRP
555
n
155
TRP
555
B
ASN
556
n
156
ASN
556
B
ASP
557
n
157
ASP
557
B
VAL
558
n
158
VAL
558
B
GLN
559
n
159
GLN
559
B
GLY
560
n
160
GLY
560
B
ARG
561
n
161
ARG
561
B
PHE
562
n
162
PHE
562
B
GLU
563
n
163
GLU
563
B
LYS
564
n
164
LYS
564
B
CAS
565
n
165
CAS
565
B
VAL
566
n
166
VAL
566
B
SER
567
n
167
SER
567
B
ALA
568
n
168
ALA
568
B
LYS
569
n
169
LYS
569
B
GLU
570
n
170
GLU
570
B
ALA
571
n
171
ALA
571
B
LEU
572
n
172
LEU
572
B
GLU
573
n
173
GLU
573
B
THR
574
n
174
THR
574
B
ASP
575
n
175
ASP
575
B
LEU
576
n
176
LEU
576
B
TYR
577
n
177
TYR
577
B
LYS
578
n
178
LYS
578
B
ARG
579
n
179
ARG
579
B
PHE
580
n
180
PHE
580
B
ILE
581
n
181
ILE
581
B
LEU
582
n
182
LEU
582
B
VAL
583
n
183
VAL
583
B
LEU
584
n
184
LEU
584
B
ASN
585
n
185
ASN
585
B
GLU
586
n
186
GLU
586
B
LYS
587
n
187
LYS
587
B
LYS
588
n
188
LYS
588
B
THR
589
n
189
THR
589
B
LYS
590
n
190
LYS
590
B
ILE
591
n
191
ILE
591
B
ARG
592
n
192
ARG
592
B
SER
593
n
193
SER
593
B
LEU
594
n
194
LEU
594
B
HIS
595
n
195
HIS
595
B
ASN
596
n
196
ASN
596
B
LYS
597
n
197
LYS
597
B
LEU
598
n
198
LEU
598
B
LEU
599
n
199
LEU
599
B
ASN
600
n
200
ASN
600
B
ALA
601
n
201
ALA
601
B
ALA
602
n
202
ALA
602
B
GLN
603
n
203
GLN
603
B
author_defined_assembly
4
tetrameric
software_defined_assembly
PISA,PQS
4
tetrameric
12080
-98
41760
A
CAS
93
S-(DIMETHYLARSENIC)CYSTEINE
A
CAS
93
CYS
A
CAS
128
S-(DIMETHYLARSENIC)CYSTEINE
A
CAS
128
CYS
A
CAS
130
S-(DIMETHYLARSENIC)CYSTEINE
A
CAS
130
CYS
A
CAS
165
S-(DIMETHYLARSENIC)CYSTEINE
A
CAS
165
CYS
B
CAS
493
S-(DIMETHYLARSENIC)CYSTEINE
B
CAS
93
CYS
B
CAS
528
S-(DIMETHYLARSENIC)CYSTEINE
B
CAS
128
CYS
B
CAS
530
S-(DIMETHYLARSENIC)CYSTEINE
B
CAS
130
CYS
B
CAS
565
S-(DIMETHYLARSENIC)CYSTEINE
B
CAS
165
CYS
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
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
4_546
-x+1/2,y-1/2,-z+1
crystal symmetry operation
61.3688838961
-37.3965000000
84.7246565395
-1.0000000000
0.0000000000
0.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
2_655
-x+1,y,-z
crystal symmetry operation
164.8920000000
0.0000000000
0.0000000000
A
N
ILE
8
A
N
ILE
8
A
O
HIS
18
A
O
HIS
18
A
O
SER
23
A
O
SER
23
A
N
VAL
33
A
N
VAL
33
A
N
LEU
36
A
N
LEU
36
A
O
TRP
43
A
O
TRP
43
A
O
THR
44
A
O
THR
44
A
N
GLU
114
A
N
GLU
114
A
N
ASN
87
A
N
ASN
87
A
O
PHE
96
A
O
PHE
96
A
N
LEU
101
A
N
LEU
101
A
O
VAL
104
A
O
VAL
104
B
N
LEU
410
B
N
LEU
10
B
O
GLU
413
B
O
GLU
13
B
O
SER
423
B
O
SER
23
B
N
VAL
433
B
N
VAL
33
B
N
LEU
436
B
N
LEU
36
B
O
TRP
443
B
O
TRP
43
B
N
THR
444
B
N
THR
44
B
O
GLU
514
B
O
GLU
114
B
N
ASN
487
B
N
ASN
87
B
O
PHE
496
B
O
PHE
96
B
N
LEU
501
B
N
LEU
101
B
O
VAL
504
B
O
VAL
104
1
A
ARG
179
A
ARG
179
1
Y
1
A
PHE
180
A
PHE
180
1
Y
1
A
ILE
181
A
ILE
181
1
Y
1
A
LEU
182
A
LEU
182
1
Y
1
A
VAL
183
A
VAL
183
1
Y
1
A
LEU
184
A
LEU
184
1
Y
1
A
ASN
185
A
ASN
185
1
Y
1
A
GLU
186
A
GLU
186
1
Y
1
A
LYS
187
A
LYS
187
1
Y
1
A
LYS
188
A
LYS
188
1
Y
1
A
THR
189
A
THR
189
1
Y
1
A
LYS
190
A
LYS
190
1
Y
1
A
ILE
191
A
ILE
191
1
Y
1
A
ARG
192
A
ARG
192
1
Y
1
A
SER
193
A
SER
193
1
Y
1
A
LEU
194
A
LEU
194
1
Y
1
A
HIS
195
A
HIS
195
1
Y
1
A
ASN
196
A
ASN
196
1
Y
1
A
LYS
197
A
LYS
197
1
Y
1
A
LEU
198
A
LEU
198
1
Y
1
A
LEU
199
A
LEU
199
1
Y
1
A
ASN
200
A
ASN
200
1
Y
1
A
ALA
201
A
ALA
201
1
Y
1
A
ALA
202
A
ALA
202
1
Y
1
A
GLN
203
A
GLN
203
1
Y
1
A
GLU
25
-80.46
-83.81
1
A
HIS
40
-131.00
-56.96
1
A
LYS
90
-79.87
23.77
1
A
GLU
91
-133.55
-48.99
1
A
ASP
103
84.74
-13.24
1
A
SER
110
178.23
141.78
1
A
ALA
171
-98.82
-80.12
1
A
LEU
172
-24.86
-45.76
1
A
ASP
175
-102.35
-114.69
1
A
LEU
176
-2.11
-52.82
1
A
TYR
177
-102.94
70.37
1
B
GLU
425
-86.17
-76.21
1
B
LYS
426
-99.68
-66.98
1
B
ASP
503
70.72
-2.23
1
B
LEU
594
-85.82
-81.47
1
B
HIS
595
-25.71
-35.03
PROTEIN_REP.PARAM
PROTEIN.TOP
WATER_REP.PARA
WATER_REP.TOP
ION.PARAM
ION.TOP
73.1
-4.24
0.00
21.61
3.72
0.00
0.52
maximum likelihood using intensities
0.2630000
0.005
0.2310000
0.2460000
0.2460000
2.70
29.93
2791
28110
28110
9.9
98.3
RANDOM
1150054.70
0.00
1
RESTRAINED
THROUGHOUT
0
0
Engh & Huber
FLAT MODEL
65
0.33
0.43
0.37
5.00
0.56
0.52
2.70
29.93
61
3177
16
0
3100
0.007
1.2
22.7
0.70
3.73
1.50
5.80
2.00
5.83
2.00
8.43
2.50
0.4110000
0.019
0.3880000
2.87
468
4108
6
10.2
96.5
71.2
2.6
30
1FU1
31958
31338
1.19
0.0500000
1
21.03
13.7
98.1
0.4080000
2.60
2.64
1527
1
2.4
95.9
phasing
SOLVE
refinement
CNS
0.9
data reduction
DENZO
data scaling
SCALEPACK
CRYSTAL STRUCTURE OF HUMAN XRCC4
1
N
N
1
N
N
2
N
N
2
N
N
2
N
N
2
N
N
3
N
N
3
N
N
The biological assembly is a tetramer constructed from chains A and B and
their symmetry partners generated by a crystallographic two-fold
A
THR
27
A
THR
27
HELX_P
A
GLU
29
A
GLU
29
5
1
3
A
GLU
49
A
GLU
49
HELX_P
A
MET
59
A
MET
59
1
2
11
A
GLU
62
A
GLU
62
HELX_P
A
LEU
75
A
LEU
75
1
3
14
A
ASN
118
A
ASN
118
HELX_P
A
ILE
127
A
ILE
127
1
4
10
A
LEU
131
A
LEU
131
HELX_P
A
LYS
164
A
LYS
164
1
5
34
A
VAL
166
A
VAL
166
HELX_P
A
GLU
173
A
GLU
173
1
6
8
B
THR
427
B
THR
27
HELX_P
B
GLU
429
B
GLU
29
5
7
3
B
GLU
449
B
GLU
49
HELX_P
B
MET
459
B
MET
59
1
8
11
B
GLU
462
B
GLU
62
HELX_P
B
LEU
475
B
LEU
75
1
9
14
B
ASN
518
B
ASN
118
HELX_P
B
ILE
527
B
ILE
127
1
10
10
B
LEU
531
B
LEU
131
HELX_P
B
ASP
557
B
ASP
157
1
11
27
B
ASP
557
B
ASP
157
HELX_P
B
LYS
564
B
LYS
164
1
12
8
B
VAL
566
B
VAL
166
HELX_P
B
ALA
602
B
ALA
202
1
13
37
covale
1.336
both
A
SER
92
A
C
SER
92
1_555
A
CAS
93
A
N
CAS
93
1_555
covale
1.326
both
A
CAS
93
A
C
CAS
93
1_555
A
TYR
94
A
N
TYR
94
1_555
covale
1.335
both
A
ILE
127
A
C
ILE
127
1_555
A
CAS
128
A
N
CAS
128
1_555
covale
1.331
both
A
CAS
128
A
C
CAS
128
1_555
A
TYR
129
A
N
TYR
129
1_555
covale
1.340
both
A
TYR
129
A
C
TYR
129
1_555
A
CAS
130
A
N
CAS
130
1_555
covale
1.339
both
A
CAS
130
A
C
CAS
130
1_555
A
LEU
131
A
N
LEU
131
1_555
covale
1.334
both
A
LYS
164
A
C
LYS
164
1_555
A
CAS
165
A
N
CAS
165
1_555
covale
1.332
both
A
CAS
165
A
C
CAS
165
1_555
A
VAL
166
A
N
VAL
166
1_555
covale
1.332
both
B
SER
492
B
C
SER
92
1_555
B
CAS
493
B
N
CAS
93
1_555
covale
1.326
both
B
CAS
493
B
C
CAS
93
1_555
B
TYR
494
B
N
TYR
94
1_555
covale
1.331
both
B
ILE
527
B
C
ILE
127
1_555
B
CAS
528
B
N
CAS
128
1_555
covale
1.331
both
B
CAS
528
B
C
CAS
128
1_555
B
TYR
529
B
N
TYR
129
1_555
covale
1.334
both
B
TYR
529
B
C
TYR
129
1_555
B
CAS
530
B
N
CAS
130
1_555
covale
1.337
both
B
CAS
530
B
C
CAS
130
1_555
B
LEU
531
B
N
LEU
131
1_555
covale
1.335
both
B
LYS
564
B
C
LYS
164
1_555
B
CAS
565
B
N
CAS
165
1_555
covale
1.321
both
B
CAS
565
B
C
CAS
165
1_555
B
VAL
566
B
N
VAL
166
1_555
GENE REGULATION
helix-turn-helix, helix bundle, GENE REGULATION
XRCC4_HUMAN
UNP
1
1
Q13426
MERKISRIHLVSEPSITHFLQVSWEKTLESGFVITLTDGHSAWTGTVSESEISQEADDMAMEKGKYVGELRKALLSGAGP
ADVYTFNFSKESCYFFFEKNLKDVSFRLGSFNLEKVENPAEVIRELICYCLDTIAENQAKNEHLQKENERLLRDWNDVQG
RFEKCVSAKEALETDLYKRFILVLNEKKTKIRSLHNKLLNAAQ
1
203
1FU1
1
203
Q13426
A
1
1
203
1
203
1FU1
401
603
Q13426
B
1
1
203
1
CYS
modified residue
CAS
93
1FU1
A
Q13426
UNP
93
93
1
CYS
modified residue
CAS
128
1FU1
A
Q13426
UNP
128
128
1
CYS
modified residue
CAS
130
1FU1
A
Q13426
UNP
130
130
1
ILE
engineered mutation
THR
134
1FU1
A
Q13426
UNP
134
134
1
CYS
modified residue
CAS
165
1FU1
A
Q13426
UNP
165
165
2
CYS
modified residue
CAS
493
1FU1
B
Q13426
UNP
93
93
2
CYS
modified residue
CAS
528
1FU1
B
Q13426
UNP
128
128
2
CYS
modified residue
CAS
530
1FU1
B
Q13426
UNP
130
130
2
ILE
engineered mutation
THR
534
1FU1
B
Q13426
UNP
134
134
2
CYS
modified residue
CAS
565
1FU1
B
Q13426
UNP
165
165
5
3
5
3
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
GLU
2
A
GLU
2
A
ILE
8
A
ILE
8
A
HIS
18
A
HIS
18
A
TRP
24
A
TRP
24
A
GLY
31
A
GLY
31
A
THR
37
A
THR
37
A
ALA
42
A
ALA
42
A
SER
48
A
SER
48
A
GLU
114
A
GLU
114
A
LYS
115
A
LYS
115
A
TYR
84
A
TYR
84
A
PHE
88
A
PHE
88
A
PHE
95
A
PHE
95
A
LEU
101
A
LEU
101
A
VAL
104
A
VAL
104
A
PHE
111
A
PHE
111
B
GLU
402
B
GLU
2
B
LEU
410
B
LEU
10
B
GLU
413
B
GLU
13
B
TRP
424
B
TRP
24
B
GLY
431
B
GLY
31
B
THR
437
B
THR
37
B
ALA
442
B
ALA
42
B
SER
448
B
SER
48
B
GLU
514
B
GLU
114
B
LYS
515
B
LYS
115
B
TYR
484
B
TYR
84
B
PHE
488
B
PHE
88
B
PHE
495
B
PHE
95
B
LEU
501
B
LEU
101
B
VAL
504
B
VAL
104
B
PHE
511
B
PHE
111
BINDING SITE FOR RESIDUE ACY A 501
A
ACY
501
Software
1
BINDING SITE FOR RESIDUE ACY A 502
A
ACY
502
Software
3
BINDING SITE FOR RESIDUE ACY A 503
A
ACY
503
Software
4
BINDING SITE FOR RESIDUE ACY A 504
A
ACY
504
Software
2
A
LYS
99
A
LYS
99
1
1_555
B
MET
401
B
MET
1
3
4_556
B
ARG
403
B
ARG
3
3
4_556
B
SER
423
B
SER
23
3
4_556
A
GLU
55
A
GLU
55
4
1_555
A
TYR
66
A
TYR
66
4
1_555
A
GLY
109
A
GLY
109
4
1_555
A
SER
110
A
SER
110
4
1_555
A
MET
1
A
MET
1
2
1_555
A
ARG
3
A
ARG
3
2
1_555
5
monoclinic
C 1 2 1