0.006730
0.000000
0.000000
0.000000
0.006730
0.000000
0.000000
0.000000
0.006730
0.00000
0.00000
0.00000
Buffalo, C.Z.
Bahn-Suh, A.J.
Ghosh, P.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
24
90.00
90.00
90.00
148.598
148.598
148.598
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
UK
Nat Microbiol
2058-5276
1
16155
16155
10.1038/nmicrobiol.2016.155
27595425
Conserved patterns hidden within group A Streptococcus M protein hypervariability recognize human C4b-binding protein.
2016
100
1
CCD
2014-04-14
ADSC QUANTUM 315r
SINGLE WAVELENGTH
M
x-ray
1
0.979
1.0
8.2.1
ALS
0.979
SYNCHROTRON
ALS BEAMLINE 8.2.1
12500.826
M protein, serotype 2.1
UNP residues 42-141
1
man
polymer
14163.894
C4b-binding protein alpha chain
UNP residues 49-172
1
man
polymer
18.015
water
132
nat
water
C4bp,Proline-rich protein,PRP
no
no
GPGSNSKNPVPVKKEAKLSEAELHDKIAALEEEKAELFEKLDKVEEEHKKVEEEHKKDHEKLEKKSEDVERHYLRQLDQE
YKEQQERQKNLEELERQSQREVEK
GPGSNSKNPVPVKKEAKLSEAELHDKIAALEEEKAELFEKLDKVEEEHKKVEEEHKKDHEKLEKKSEDVERHYLRQLDQE
YKEQQERQKNLEELERQSQREVEK
A
polypeptide(L)
no
no
GPGSNCGPPPTLSFAAPMDITLTETRFKTGTTLKYTCLPGYVRSHSTQTLTCNSDGEWVYNTFCIYKRCRHPGELRNGQV
EIKTDLSFGSQIEFSCSEGFFLIGSTTSRCEVQDRGVGWSHPLPQCEI
GPGSNCGPPPTLSFAAPMDITLTETRFKTGTTLKYTCLPGYVRSHSTQTLTCNSDGEWVYNTFCIYKRCRHPGELRNGQV
EIKTDLSFGSQIEFSCSEGFFLIGSTTSRCEVQDRGVGWSHPLPQCEI
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
n
n
n
n
n
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
1
104
emmL2.1
1314
Streptococcus pyogenes
562
Escherichia coli
Biological sequence
Human
sample
1
128
C4BPA, C4BP
9606
Homo sapiens
562
Escherichia coli
Biological sequence
1
5.13
76.01
VAPOR DIFFUSION
7.0
1.5 M Ammonium Sulfate, 0.1 M Bis-Tris Propane pH 7.0
293
repository
Initial release
Database references
1
0
2016-07-20
1
1
2016-10-26
N
RCSB
Y
RCSB
2016-02-04
REL
REL
HOH
water
HOH
82
3
HOH
HOH
201
A
HOH
38
3
HOH
HOH
202
A
HOH
7
3
HOH
HOH
203
A
HOH
52
3
HOH
HOH
204
A
HOH
10
3
HOH
HOH
205
A
HOH
96
3
HOH
HOH
206
A
HOH
62
3
HOH
HOH
207
A
HOH
39
3
HOH
HOH
208
A
HOH
131
3
HOH
HOH
209
A
HOH
1
3
HOH
HOH
210
A
HOH
55
3
HOH
HOH
211
A
HOH
88
3
HOH
HOH
212
A
HOH
27
3
HOH
HOH
213
A
HOH
107
3
HOH
HOH
214
A
HOH
121
3
HOH
HOH
215
A
HOH
83
3
HOH
HOH
216
A
HOH
117
3
HOH
HOH
217
A
HOH
118
3
HOH
HOH
218
A
HOH
49
3
HOH
HOH
219
A
HOH
71
3
HOH
HOH
220
A
HOH
75
3
HOH
HOH
221
A
HOH
128
3
HOH
HOH
222
A
HOH
119
3
HOH
HOH
223
A
HOH
78
3
HOH
HOH
201
B
HOH
67
3
HOH
HOH
202
B
HOH
68
3
HOH
HOH
203
B
HOH
94
3
HOH
HOH
204
B
HOH
34
3
HOH
HOH
205
B
HOH
36
3
HOH
HOH
206
B
HOH
101
3
HOH
HOH
207
B
HOH
20
3
HOH
HOH
208
B
HOH
93
3
HOH
HOH
209
B
HOH
79
3
HOH
HOH
210
B
HOH
25
3
HOH
HOH
211
B
HOH
73
3
HOH
HOH
212
B
HOH
21
3
HOH
HOH
213
B
HOH
59
3
HOH
HOH
214
B
HOH
17
3
HOH
HOH
215
B
HOH
26
3
HOH
HOH
216
B
HOH
129
3
HOH
HOH
217
B
HOH
109
3
HOH
HOH
218
B
HOH
13
3
HOH
HOH
219
B
HOH
43
3
HOH
HOH
220
B
HOH
48
3
HOH
HOH
221
B
HOH
106
3
HOH
HOH
222
B
HOH
76
3
HOH
HOH
223
B
HOH
132
3
HOH
HOH
224
B
HOH
11
3
HOH
HOH
225
B
HOH
89
3
HOH
HOH
226
B
HOH
24
3
HOH
HOH
227
B
HOH
47
3
HOH
HOH
228
B
HOH
2
3
HOH
HOH
229
B
HOH
29
3
HOH
HOH
230
B
HOH
74
3
HOH
HOH
231
B
HOH
123
3
HOH
HOH
232
B
HOH
85
3
HOH
HOH
233
B
HOH
9
3
HOH
HOH
234
B
HOH
61
3
HOH
HOH
235
B
HOH
66
3
HOH
HOH
236
B
HOH
124
3
HOH
HOH
237
B
HOH
53
3
HOH
HOH
238
B
HOH
32
3
HOH
HOH
239
B
HOH
31
3
HOH
HOH
240
B
HOH
5
3
HOH
HOH
241
B
HOH
3
3
HOH
HOH
242
B
HOH
15
3
HOH
HOH
243
B
HOH
40
3
HOH
HOH
244
B
HOH
84
3
HOH
HOH
245
B
HOH
99
3
HOH
HOH
246
B
HOH
45
3
HOH
HOH
247
B
HOH
42
3
HOH
HOH
248
B
HOH
72
3
HOH
HOH
249
B
HOH
12
3
HOH
HOH
250
B
HOH
4
3
HOH
HOH
251
B
HOH
8
3
HOH
HOH
252
B
HOH
95
3
HOH
HOH
253
B
HOH
63
3
HOH
HOH
254
B
HOH
105
3
HOH
HOH
255
B
HOH
126
3
HOH
HOH
256
B
HOH
18
3
HOH
HOH
257
B
HOH
37
3
HOH
HOH
258
B
HOH
6
3
HOH
HOH
259
B
HOH
28
3
HOH
HOH
260
B
HOH
60
3
HOH
HOH
261
B
HOH
41
3
HOH
HOH
262
B
HOH
114
3
HOH
HOH
263
B
HOH
30
3
HOH
HOH
264
B
HOH
65
3
HOH
HOH
265
B
HOH
115
3
HOH
HOH
266
B
HOH
64
3
HOH
HOH
267
B
HOH
70
3
HOH
HOH
268
B
HOH
19
3
HOH
HOH
269
B
HOH
108
3
HOH
HOH
270
B
HOH
35
3
HOH
HOH
271
B
HOH
23
3
HOH
HOH
272
B
HOH
46
3
HOH
HOH
273
B
HOH
116
3
HOH
HOH
274
B
HOH
90
3
HOH
HOH
275
B
HOH
69
3
HOH
HOH
276
B
HOH
77
3
HOH
HOH
277
B
HOH
50
3
HOH
HOH
278
B
HOH
110
3
HOH
HOH
279
B
HOH
97
3
HOH
HOH
280
B
HOH
14
3
HOH
HOH
281
B
HOH
80
3
HOH
HOH
282
B
HOH
51
3
HOH
HOH
283
B
HOH
54
3
HOH
HOH
284
B
HOH
81
3
HOH
HOH
285
B
HOH
44
3
HOH
HOH
286
B
HOH
113
3
HOH
HOH
287
B
HOH
86
3
HOH
HOH
288
B
HOH
91
3
HOH
HOH
289
B
HOH
127
3
HOH
HOH
290
B
HOH
112
3
HOH
HOH
291
B
HOH
33
3
HOH
HOH
292
B
HOH
111
3
HOH
HOH
293
B
HOH
16
3
HOH
HOH
294
B
HOH
122
3
HOH
HOH
295
B
HOH
130
3
HOH
HOH
296
B
HOH
102
3
HOH
HOH
297
B
HOH
125
3
HOH
HOH
298
B
HOH
58
3
HOH
HOH
299
B
HOH
92
3
HOH
HOH
300
B
HOH
98
3
HOH
HOH
301
B
HOH
22
3
HOH
HOH
302
B
HOH
120
3
HOH
HOH
303
B
HOH
104
3
HOH
HOH
304
B
HOH
56
3
HOH
HOH
305
B
HOH
103
3
HOH
HOH
306
B
HOH
57
3
HOH
HOH
307
B
HOH
100
3
HOH
HOH
308
B
HOH
87
3
HOH
HOH
309
B
n
1
38
A
n
2
39
A
n
3
40
A
n
4
41
A
n
5
42
A
n
6
43
A
n
7
44
A
n
8
45
A
n
9
46
A
n
10
47
A
n
11
48
A
n
12
49
A
n
13
50
A
n
14
51
A
n
15
52
A
ALA
53
n
16
ALA
53
A
LYS
54
n
17
LYS
54
A
LEU
55
n
18
LEU
55
A
SER
56
n
19
SER
56
A
GLU
57
n
20
GLU
57
A
ALA
58
n
21
ALA
58
A
GLU
59
n
22
GLU
59
A
LEU
60
n
23
LEU
60
A
HIS
61
n
24
HIS
61
A
ASP
62
n
25
ASP
62
A
LYS
63
n
26
LYS
63
A
ILE
64
n
27
ILE
64
A
ALA
65
n
28
ALA
65
A
ALA
66
n
29
ALA
66
A
LEU
67
n
30
LEU
67
A
GLU
68
n
31
GLU
68
A
GLU
69
n
32
GLU
69
A
GLU
70
n
33
GLU
70
A
LYS
71
n
34
LYS
71
A
ALA
72
n
35
ALA
72
A
GLU
73
n
36
GLU
73
A
LEU
74
n
37
LEU
74
A
PHE
75
n
38
PHE
75
A
GLU
76
n
39
GLU
76
A
LYS
77
n
40
LYS
77
A
LEU
78
n
41
LEU
78
A
ASP
79
n
42
ASP
79
A
LYS
80
n
43
LYS
80
A
VAL
81
n
44
VAL
81
A
GLU
82
n
45
GLU
82
A
GLU
83
n
46
GLU
83
A
GLU
84
n
47
GLU
84
A
HIS
85
n
48
HIS
85
A
LYS
86
n
49
LYS
86
A
n
50
87
A
n
51
88
A
n
52
89
A
n
53
90
A
n
54
91
A
n
55
92
A
n
56
93
A
n
57
94
A
n
58
95
A
n
59
96
A
n
60
97
A
n
61
98
A
n
62
99
A
n
63
100
A
n
64
101
A
n
65
102
A
n
66
103
A
n
67
104
A
n
68
105
A
n
69
106
A
n
70
107
A
n
71
108
A
n
72
109
A
n
73
110
A
n
74
111
A
n
75
112
A
n
76
113
A
n
77
114
A
n
78
115
A
n
79
116
A
n
80
117
A
n
81
118
A
n
82
119
A
n
83
120
A
n
84
121
A
n
85
122
A
n
86
123
A
n
87
124
A
n
88
125
A
n
89
126
A
n
90
127
A
n
91
128
A
n
92
129
A
n
93
130
A
n
94
131
A
n
95
132
A
n
96
133
A
n
97
134
A
n
98
135
A
n
99
136
A
n
100
137
A
n
101
138
A
n
102
139
A
n
103
140
A
n
104
141
A
n
1
-3
B
n
2
-2
B
n
3
-1
B
SER
0
n
4
SER
0
B
ASN
1
n
5
ASN
1
B
CYS
2
n
6
CYS
2
B
GLY
3
n
7
GLY
3
B
PRO
4
n
8
PRO
4
B
PRO
5
n
9
PRO
5
B
PRO
6
n
10
PRO
6
B
THR
7
n
11
THR
7
B
LEU
8
n
12
LEU
8
B
SER
9
n
13
SER
9
B
PHE
10
n
14
PHE
10
B
ALA
11
n
15
ALA
11
B
ALA
12
n
16
ALA
12
B
PRO
13
n
17
PRO
13
B
MET
14
n
18
MET
14
B
ASP
15
n
19
ASP
15
B
ILE
16
n
20
ILE
16
B
THR
17
n
21
THR
17
B
LEU
18
n
22
LEU
18
B
THR
19
n
23
THR
19
B
GLU
20
n
24
GLU
20
B
THR
21
n
25
THR
21
B
ARG
22
n
26
ARG
22
B
PHE
23
n
27
PHE
23
B
LYS
24
n
28
LYS
24
B
THR
25
n
29
THR
25
B
GLY
26
n
30
GLY
26
B
THR
27
n
31
THR
27
B
THR
28
n
32
THR
28
B
LEU
29
n
33
LEU
29
B
LYS
30
n
34
LYS
30
B
TYR
31
n
35
TYR
31
B
THR
32
n
36
THR
32
B
CYS
33
n
37
CYS
33
B
LEU
34
n
38
LEU
34
B
PRO
35
n
39
PRO
35
B
GLY
36
n
40
GLY
36
B
TYR
37
n
41
TYR
37
B
VAL
38
n
42
VAL
38
B
ARG
39
n
43
ARG
39
B
SER
40
n
44
SER
40
B
HIS
41
n
45
HIS
41
B
SER
42
n
46
SER
42
B
THR
43
n
47
THR
43
B
GLN
44
n
48
GLN
44
B
THR
45
n
49
THR
45
B
LEU
46
n
50
LEU
46
B
THR
47
n
51
THR
47
B
CYS
48
n
52
CYS
48
B
ASN
49
n
53
ASN
49
B
SER
50
n
54
SER
50
B
ASP
51
n
55
ASP
51
B
GLY
52
n
56
GLY
52
B
GLU
53
n
57
GLU
53
B
TRP
54
n
58
TRP
54
B
VAL
55
n
59
VAL
55
B
TYR
56
n
60
TYR
56
B
ASN
57
n
61
ASN
57
B
THR
58
n
62
THR
58
B
PHE
59
n
63
PHE
59
B
CYS
60
n
64
CYS
60
B
ILE
61
n
65
ILE
61
B
TYR
62
n
66
TYR
62
B
LYS
63
n
67
LYS
63
B
ARG
64
n
68
ARG
64
B
CYS
65
n
69
CYS
65
B
ARG
66
n
70
ARG
66
B
HIS
67
n
71
HIS
67
B
PRO
68
n
72
PRO
68
B
GLY
69
n
73
GLY
69
B
GLU
70
n
74
GLU
70
B
LEU
71
n
75
LEU
71
B
ARG
72
n
76
ARG
72
B
ASN
73
n
77
ASN
73
B
GLY
74
n
78
GLY
74
B
GLN
75
n
79
GLN
75
B
VAL
76
n
80
VAL
76
B
GLU
77
n
81
GLU
77
B
ILE
78
n
82
ILE
78
B
LYS
79
n
83
LYS
79
B
THR
80
n
84
THR
80
B
ASP
81
n
85
ASP
81
B
LEU
82
n
86
LEU
82
B
SER
83
n
87
SER
83
B
PHE
84
n
88
PHE
84
B
GLY
85
n
89
GLY
85
B
SER
86
n
90
SER
86
B
GLN
87
n
91
GLN
87
B
ILE
88
n
92
ILE
88
B
GLU
89
n
93
GLU
89
B
PHE
90
n
94
PHE
90
B
SER
91
n
95
SER
91
B
CYS
92
n
96
CYS
92
B
SER
93
n
97
SER
93
B
GLU
94
n
98
GLU
94
B
GLY
95
n
99
GLY
95
B
PHE
96
n
100
PHE
96
B
PHE
97
n
101
PHE
97
B
LEU
98
n
102
LEU
98
B
ILE
99
n
103
ILE
99
B
GLY
100
n
104
GLY
100
B
SER
101
n
105
SER
101
B
THR
102
n
106
THR
102
B
THR
103
n
107
THR
103
B
SER
104
n
108
SER
104
B
ARG
105
n
109
ARG
105
B
CYS
106
n
110
CYS
106
B
GLU
107
n
111
GLU
107
B
VAL
108
n
112
VAL
108
B
GLN
109
n
113
GLN
109
B
ASP
110
n
114
ASP
110
B
ARG
111
n
115
ARG
111
B
GLY
112
n
116
GLY
112
B
VAL
113
n
117
VAL
113
B
GLY
114
n
118
GLY
114
B
TRP
115
n
119
TRP
115
B
SER
116
n
120
SER
116
B
HIS
117
n
121
HIS
117
B
PRO
118
n
122
PRO
118
B
LEU
119
n
123
LEU
119
B
PRO
120
n
124
PRO
120
B
GLN
121
n
125
GLN
121
B
CYS
122
n
126
CYS
122
B
GLU
123
n
127
GLU
123
B
ILE
124
n
128
ILE
124
B
7.7316
0.2339
1.3160
2.1555
0.4313
5.8220
-0.1585
-0.8487
-1.3668
0.2979
-0.1199
0.3268
1.9439
-0.8488
0.2938
0.8806
0.0986
0.2326
1.0216
0.4382
0.7369
refined
44.3716
46.5692
85.9653
X-RAY DIFFRACTION
3.8089
0.5913
0.6753
4.2175
-2.5876
5.3894
-0.1907
0.8825
0.2016
-0.9691
0.7516
0.8474
0.6852
-0.9941
-0.3334
0.5853
-0.2991
0.0595
0.5888
0.2146
0.4409
refined
33.2422
54.6855
63.9281
X-RAY DIFFRACTION
2.6047
-3.0643
4.0220
5.3926
-4.8272
6.2173
0.1008
0.4221
0.5575
-0.1856
0.2707
0.5264
0.2840
-0.6441
-0.3703
0.3502
0.0076
0.0369
0.6691
0.3827
0.6592
refined
35.4887
71.3558
51.6476
X-RAY DIFFRACTION
8.3267
-2.5230
3.2299
3.2517
-1.1942
4.8428
0.1558
-0.1137
-0.0156
0.1977
0.0326
-0.0800
0.6946
0.3835
-0.1521
0.3910
0.0749
0.1429
0.1848
0.0362
0.2298
refined
58.3744
54.7479
72.2231
X-RAY DIFFRACTION
X-RAY DIFFRACTION
1
chain 'A' and (resid 53 through 57 )
X-RAY DIFFRACTION
2
chain 'A' and (resid 58 through 86 )
X-RAY DIFFRACTION
3
chain 'B' and (resid 0 through 59 )
X-RAY DIFFRACTION
4
chain 'B' and (resid 60 through 124 )
author_defined_assembly
4
tetrameric
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
0.0000000000
0.0000000000
1.0000000000
0.0000000000
-1.0000000000
0.0000000000
1.0000000000
0.0000000000
0.0000000000
22_455
z-1/4,-y+3/4,x+1/4
crystal symmetry operation
-37.1495000000
111.4485000000
37.1495000000
B
N
ALA
12
B
N
ALA
16
B
O
THR
32
B
O
THR
36
B
N
LEU
29
B
N
LEU
33
B
O
LEU
46
B
O
LEU
50
B
N
THR
47
B
N
THR
51
B
O
VAL
55
B
O
VAL
59
B
N
VAL
38
B
N
VAL
42
B
O
ILE
61
B
O
ILE
65
B
N
GLU
77
B
N
GLU
81
B
O
GLU
89
B
O
GLU
93
B
N
ILE
88
B
N
ILE
92
B
O
SER
104
B
O
SER
108
B
N
GLU
107
B
N
GLU
111
B
O
GLY
114
B
O
GLY
118
B
N
PHE
97
B
N
PHE
101
B
O
GLU
123
B
O
GLU
127
1
B
HOH
289
D
HOH
1
B
HOH
302
D
HOH
1
A
GLY
38
A
GLY
1
1
Y
1
A
PRO
39
A
PRO
2
1
Y
1
A
GLY
40
A
GLY
3
1
Y
1
A
SER
41
A
SER
4
1
Y
1
A
ASN
42
A
ASN
5
1
Y
1
A
SER
43
A
SER
6
1
Y
1
A
LYS
44
A
LYS
7
1
Y
1
A
ASN
45
A
ASN
8
1
Y
1
A
PRO
46
A
PRO
9
1
Y
1
A
VAL
47
A
VAL
10
1
Y
1
A
PRO
48
A
PRO
11
1
Y
1
A
VAL
49
A
VAL
12
1
Y
1
A
LYS
50
A
LYS
13
1
Y
1
A
LYS
51
A
LYS
14
1
Y
1
A
GLU
52
A
GLU
15
1
Y
1
A
LYS
87
A
LYS
50
1
Y
1
A
VAL
88
A
VAL
51
1
Y
1
A
GLU
89
A
GLU
52
1
Y
1
A
GLU
90
A
GLU
53
1
Y
1
A
GLU
91
A
GLU
54
1
Y
1
A
HIS
92
A
HIS
55
1
Y
1
A
LYS
93
A
LYS
56
1
Y
1
A
LYS
94
A
LYS
57
1
Y
1
A
ASP
95
A
ASP
58
1
Y
1
A
HIS
96
A
HIS
59
1
Y
1
A
GLU
97
A
GLU
60
1
Y
1
A
LYS
98
A
LYS
61
1
Y
1
A
LEU
99
A
LEU
62
1
Y
1
A
GLU
100
A
GLU
63
1
Y
1
A
LYS
101
A
LYS
64
1
Y
1
A
LYS
102
A
LYS
65
1
Y
1
A
SER
103
A
SER
66
1
Y
1
A
GLU
104
A
GLU
67
1
Y
1
A
ASP
105
A
ASP
68
1
Y
1
A
VAL
106
A
VAL
69
1
Y
1
A
GLU
107
A
GLU
70
1
Y
1
A
ARG
108
A
ARG
71
1
Y
1
A
HIS
109
A
HIS
72
1
Y
1
A
TYR
110
A
TYR
73
1
Y
1
A
LEU
111
A
LEU
74
1
Y
1
A
ARG
112
A
ARG
75
1
Y
1
A
GLN
113
A
GLN
76
1
Y
1
A
LEU
114
A
LEU
77
1
Y
1
A
ASP
115
A
ASP
78
1
Y
1
A
GLN
116
A
GLN
79
1
Y
1
A
GLU
117
A
GLU
80
1
Y
1
A
TYR
118
A
TYR
81
1
Y
1
A
LYS
119
A
LYS
82
1
Y
1
A
GLU
120
A
GLU
83
1
Y
1
A
GLN
121
A
GLN
84
1
Y
1
A
GLN
122
A
GLN
85
1
Y
1
A
GLU
123
A
GLU
86
1
Y
1
A
ARG
124
A
ARG
87
1
Y
1
A
GLN
125
A
GLN
88
1
Y
1
A
LYS
126
A
LYS
89
1
Y
1
A
ASN
127
A
ASN
90
1
Y
1
A
LEU
128
A
LEU
91
1
Y
1
A
GLU
129
A
GLU
92
1
Y
1
A
GLU
130
A
GLU
93
1
Y
1
A
LEU
131
A
LEU
94
1
Y
1
A
GLU
132
A
GLU
95
1
Y
1
A
ARG
133
A
ARG
96
1
Y
1
A
GLN
134
A
GLN
97
1
Y
1
A
SER
135
A
SER
98
1
Y
1
A
GLN
136
A
GLN
99
1
Y
1
A
ARG
137
A
ARG
100
1
Y
1
A
GLU
138
A
GLU
101
1
Y
1
A
VAL
139
A
VAL
102
1
Y
1
A
GLU
140
A
GLU
103
1
Y
1
A
LYS
141
A
LYS
104
1
Y
1
B
GLY
-3
B
GLY
1
1
Y
1
B
PRO
-2
B
PRO
2
1
Y
1
B
GLY
-1
B
GLY
3
1
Y
1
B
B
NH1
O
ARG
HOH
66
201
2.04
1
B
B
O
O
HOH
HOH
269
305
2.08
1
B
B
O
O
ARG
HOH
64
201
2.12
1
B
B
NE
O
ARG
HOH
66
202
2.18
1
B
B
O
O
HOH
HOH
215
218
2.18
1
A
A
GLU
LEU
59
60
139.91
1
B
B
O
O
HOH
HOH
208
300
2.18
1_555
21_545
1
A
GLU
57
-79.22
24.98
1
A
ALA
58
90.23
10.33
1
B
ILE
16
35.69
50.03
1
B
THR
21
-54.72
0.21
1
B
GLN
44
-100.93
53.06
1
B
THR
80
-129.95
-73.52
1
B
PHE
84
-38.43
123.94
1
B
ASP
110
57.05
-123.21
0.2243
0.2034
0.2055
2.293
49.533
2568
47375
10.06
99.67
0.21
1
FREE R-VALUE
1.34
22.00
0.90
1.11
2.293
49.533
132
1384
0
0
1252
0.009
1283
1.416
1728
16.459
474
0.060
190
0.005
224
0.2885
0.2593
2.3754
470
4185
98.00
0.2737
0.2533
2.4705
485
4274
100.00
0.2240
0.2177
2.5830
475
4241
100.00
0.2179
0.1984
2.7191
480
4276
100.00
0.2413
0.2173
2.8895
482
4278
100.00
0.2449
0.2125
3.1126
477
4249
100.00
0.2213
0.2059
3.4257
475
4267
100.00
0.2217
0.2005
3.9212
475
4276
100.00
0.1834
0.1696
4.9396
476
4277
100.00
0.2270
0.1997
49.5442
471
4286
100.00
2.29
49.533
5I0Q
47421
0.99
1
46.4
40.5
100
1.00
2.29
2.37
3.22
1
32.6
100
refinement
PHENIX
1.9_1692
data reduction
HKL-2000
data scaling
HKL-2000
phasing
PHENIX
1.9_1692
M protein, serotype 2.1, C4b-binding protein alpha chain
Structure of human C4b-binding protein alpha chain CCP domains 1 and 2 in complex with the hypervariable region of mutant group A Streptococcus M2 (K65A, N66A) protein
1
N
N
2
N
N
3
N
N
3
N
N
A
GLU
59
A
GLU
22
HELX_P
A
HIS
85
A
HIS
48
1
AA1
27
disulf
2.058
B
CYS
2
B
SG
CYS
6
1_555
B
CYS
48
B
SG
CYS
52
1_555
disulf
2.047
B
CYS
33
B
SG
CYS
37
1_555
B
CYS
60
B
SG
CYS
64
1_555
disulf
2.101
B
CYS
65
B
SG
CYS
69
1_555
B
CYS
106
B
SG
CYS
110
1_555
disulf
2.037
B
CYS
92
B
SG
CYS
96
1_555
B
CYS
122
B
SG
CYS
126
1_555
IMMUNE SYSTEM
M protein, Complement, Streptococcus pyogenes, hypervariable antigen, IMMUNE SYSTEM
M21_STRPY
UNP
1
42
P50468
NSKNPVPVKKEAKLSEAELHDKIKNLEEEKAELFEKLDKVEEEHKKVEEEHKKDHEKLEKKSEDVERHYLRQLDQEYKEQ
QERQKNLEELERQSQREVEK
C4BPA_HUMAN
UNP
2
49
P04003
NCGPPPTLSFAAPMDITLTETRFKTGTTLKYTCLPGYVRSHSTQTLTCNSDGEWVYNTFCIYKRCRHPGELRNGQVEIKT
DLSFGSQIEFSCSEGFFLIGSTTSRCEVQDRGVGWSHPLPQCEI
42
141
5I0Q
42
141
P50468
A
1
5
104
49
172
5I0Q
1
124
P04003
B
2
5
128
1
expression tag
GLY
38
5I0Q
A
P50468
UNP
1
1
expression tag
PRO
39
5I0Q
A
P50468
UNP
2
1
expression tag
GLY
40
5I0Q
A
P50468
UNP
3
1
expression tag
SER
41
5I0Q
A
P50468
UNP
4
1
LYS
engineered mutation
ALA
65
5I0Q
A
P50468
UNP
65
28
1
ASN
engineered mutation
ALA
66
5I0Q
A
P50468
UNP
66
29
2
expression tag
GLY
-3
5I0Q
B
P04003
UNP
1
2
expression tag
PRO
-2
5I0Q
B
P04003
UNP
2
2
expression tag
GLY
-1
5I0Q
B
P04003
UNP
3
2
expression tag
SER
0
5I0Q
B
P04003
UNP
4
4
2
4
2
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
B
ALA
11
B
ALA
15
B
PRO
13
B
PRO
17
B
THR
28
B
THR
32
B
CYS
33
B
CYS
37
B
THR
45
B
THR
49
B
CYS
48
B
CYS
52
B
TRP
54
B
TRP
58
B
VAL
55
B
VAL
59
B
TYR
37
B
TYR
41
B
ARG
39
B
ARG
43
B
CYS
60
B
CYS
64
B
TYR
62
B
TYR
66
B
GLY
74
B
GLY
78
B
ILE
78
B
ILE
82
B
GLN
87
B
GLN
91
B
CYS
92
B
CYS
96
B
THR
103
B
THR
107
B
GLN
109
B
GLN
113
B
GLY
112
B
GLY
116
B
TRP
115
B
TRP
119
B
PHE
97
B
PHE
101
B
ILE
99
B
ILE
103
B
GLN
121
B
GLN
125
B
GLU
123
B
GLU
127
212
P 43 3 2