0.009901
0.005716
0.000000
0.000000
0.011433
0.000000
0.000000
0.000000
0.017905
0.00000
0.00000
0.00000
RESIDUE PRO 7 IS A CIS PROLINE.
Leahy, D.J.
Axel, R.
Hendrickson, W.A.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
12
90.00
90.00
120.00
101.000
101.000
55.850
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
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
US
Cell(Cambridge,Mass.)
CELLB5
0998
0092-8674
68
1145
1162
10.1016/0092-8674(92)90085-Q
1547508
Crystal structure of a soluble form of the human T cell coreceptor CD8 at 2.6 A resolution.
1992
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
12849.552
T CELL CORECEPTOR CD8
1
man
polymer
96.063
SULFATE ION
1
syn
non-polymer
18.015
water
23
nat
water
no
no
SQFRVSPLDRTWNLGETVELKCQVLLSNPTSGCSWLFQPRGAAASPTFLLYLSQNKPKAAEGLDTQRFSGKRLGDTFVLT
LSDFRRENEGYYFCSALSNSIMYFSHFVPVFLPA
SQFRVSPLDRTWNLGETVELKCQVLLSNPTSGCSWLFQPRGAAASPTFLLYLSQNKPKAAEGLDTQRFSGKRLGDTFVLT
LSDFRRENEGYYFCSALSNSIMYFSHFVPVFLPA
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
human
sample
9606
Homo sapiens
3.20
61.54
repository
Initial release
Version format compliance
Version format compliance
1
0
1994-01-31
1
1
2008-03-24
1
2
2011-07-13
Y
1992-01-16
REL
REL
SO4
SULFATE ION
HOH
water
SO4
207
2
SO4
SO4
207
A
HOH
1
3
HOH
HOH
208
A
HOH
2
3
HOH
HOH
209
A
HOH
3
3
HOH
HOH
210
A
HOH
4
3
HOH
HOH
211
A
HOH
5
3
HOH
HOH
212
A
HOH
6
3
HOH
HOH
213
A
HOH
7
3
HOH
HOH
214
A
HOH
8
3
HOH
HOH
215
A
HOH
9
3
HOH
HOH
216
A
HOH
10
3
HOH
HOH
217
A
HOH
11
3
HOH
HOH
218
A
HOH
12
3
HOH
HOH
219
A
HOH
13
3
HOH
HOH
220
A
HOH
14
3
HOH
HOH
221
A
HOH
15
3
HOH
HOH
222
A
HOH
16
3
HOH
HOH
223
A
HOH
17
3
HOH
HOH
224
A
HOH
18
3
HOH
HOH
225
A
HOH
19
3
HOH
HOH
226
A
HOH
20
3
HOH
HOH
227
A
HOH
21
3
HOH
HOH
228
A
HOH
22
3
HOH
HOH
229
A
HOH
23
3
HOH
HOH
230
A
SER
1
n
1
SER
1
A
GLN
2
n
2
GLN
2
A
PHE
3
n
3
PHE
3
A
ARG
4
n
4
ARG
4
A
VAL
5
n
5
VAL
5
A
SER
6
n
6
SER
6
A
PRO
7
n
7
PRO
7
A
LEU
8
n
8
LEU
8
A
ASP
9
n
9
ASP
9
A
ARG
10
n
10
ARG
10
A
THR
11
n
11
THR
11
A
TRP
12
n
12
TRP
12
A
ASN
13
n
13
ASN
13
A
LEU
14
n
14
LEU
14
A
GLY
15
n
15
GLY
15
A
GLU
16
n
16
GLU
16
A
THR
17
n
17
THR
17
A
VAL
18
n
18
VAL
18
A
GLU
19
n
19
GLU
19
A
LEU
20
n
20
LEU
20
A
LYS
21
n
21
LYS
21
A
CYS
22
n
22
CYS
22
A
GLN
23
n
23
GLN
23
A
VAL
24
n
24
VAL
24
A
LEU
25
n
25
LEU
25
A
LEU
26
n
26
LEU
26
A
SER
27
n
27
SER
27
A
ASN
28
n
28
ASN
28
A
PRO
29
n
29
PRO
29
A
THR
30
n
30
THR
30
A
SER
31
n
31
SER
31
A
GLY
32
n
32
GLY
32
A
CYS
33
n
33
CYS
33
A
SER
34
n
34
SER
34
A
TRP
35
n
35
TRP
35
A
LEU
36
n
36
LEU
36
A
PHE
37
n
37
PHE
37
A
GLN
38
n
38
GLN
38
A
PRO
39
n
39
PRO
39
A
ARG
40
n
40
ARG
40
A
GLY
41
n
41
GLY
41
A
ALA
42
n
42
ALA
42
A
ALA
43
n
43
ALA
43
A
ALA
44
n
44
ALA
44
A
SER
45
n
45
SER
45
A
PRO
46
n
46
PRO
46
A
THR
47
n
47
THR
47
A
PHE
48
n
48
PHE
48
A
LEU
49
n
49
LEU
49
A
LEU
50
n
50
LEU
50
A
TYR
51
n
51
TYR
51
A
LEU
52
n
52
LEU
52
A
SER
53
n
53
SER
53
A
GLN
54
n
54
GLN
54
A
ASN
55
n
55
ASN
55
A
LYS
56
n
56
LYS
56
A
PRO
57
n
57
PRO
57
A
LYS
58
n
58
LYS
58
A
ALA
59
n
59
ALA
59
A
ALA
60
n
60
ALA
60
A
GLU
61
n
61
GLU
61
A
GLY
62
n
62
GLY
62
A
LEU
63
n
63
LEU
63
A
ASP
64
n
64
ASP
64
A
THR
65
n
65
THR
65
A
GLN
66
n
66
GLN
66
A
ARG
67
n
67
ARG
67
A
PHE
68
n
68
PHE
68
A
SER
69
n
69
SER
69
A
GLY
70
n
70
GLY
70
A
LYS
71
n
71
LYS
71
A
ARG
72
n
72
ARG
72
A
LEU
73
n
73
LEU
73
A
GLY
74
n
74
GLY
74
A
ASP
75
n
75
ASP
75
A
THR
76
n
76
THR
76
A
PHE
77
n
77
PHE
77
A
VAL
78
n
78
VAL
78
A
LEU
79
n
79
LEU
79
A
THR
80
n
80
THR
80
A
LEU
81
n
81
LEU
81
A
SER
82
n
82
SER
82
A
ASP
83
n
83
ASP
83
A
PHE
84
n
84
PHE
84
A
ARG
85
n
85
ARG
85
A
ARG
86
n
86
ARG
86
A
GLU
87
n
87
GLU
87
A
ASN
88
n
88
ASN
88
A
GLU
89
n
89
GLU
89
A
GLY
90
n
90
GLY
90
A
TYR
91
n
91
TYR
91
A
TYR
92
n
92
TYR
92
A
PHE
93
n
93
PHE
93
A
CYS
94
n
94
CYS
94
A
SER
95
n
95
SER
95
A
ALA
96
n
96
ALA
96
A
LEU
97
n
97
LEU
97
A
SER
98
n
98
SER
98
A
ASN
99
n
99
ASN
99
A
SER
100
n
100
SER
100
A
ILE
101
n
101
ILE
101
A
MET
102
n
102
MET
102
A
TYR
103
n
103
TYR
103
A
PHE
104
n
104
PHE
104
A
SER
105
n
105
SER
105
A
HIS
106
n
106
HIS
106
A
PHE
107
n
107
PHE
107
A
VAL
108
n
108
VAL
108
A
PRO
109
n
109
PRO
109
A
VAL
110
n
110
VAL
110
A
PHE
111
n
111
PHE
111
A
LEU
112
n
112
LEU
112
A
PRO
113
n
113
PRO
113
A
ALA
114
n
114
ALA
114
A
author_defined_assembly
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
0.5000000000
0.8660254038
0.0000000000
0.8660254038
-0.5000000000
0.0000000000
0.0000000000
0.0000000000
-1.0000000000
12_555
x,x-y,-z+2/3
crystal symmetry operation
0.0000000000
0.0000000000
37.2333333333
A
O
SER
6
A
O
SER
6
A
N
LYS
21
A
N
LYS
21
A
O
CYS
22
A
O
CYS
22
A
N
PHE
77
A
N
PHE
77
A
N
THR
80
A
N
THR
80
A
O
SER
69
A
O
SER
69
A
O
LYS
58
A
O
LYS
58
A
N
TYR
51
A
N
TYR
51
A
N
LEU
52
A
N
LEU
52
A
O
CYS
33
A
O
CYS
33
A
O
GLN
38
A
O
GLN
38
A
N
TYR
91
A
N
TYR
91
A
O
SER
98
A
O
SER
98
A
N
ILE
101
A
N
ILE
101
A
O
LYS
58
A
O
LYS
58
A
N
TYR
51
A
N
TYR
51
A
N
LEU
52
A
N
LEU
52
A
O
CYS
33
A
O
CYS
33
A
O
GLN
38
A
O
GLN
38
A
N
TYR
91
A
N
TYR
91
A
O
TYR
92
A
O
TYR
92
A
N
VAL
108
A
N
VAL
108
1
3.61
0.50
120.30
123.91
A
A
A
NE
CZ
NH1
ARG
ARG
ARG
4
4
4
N
1
7.19
0.80
106.30
113.49
A
A
A
CD1
CG
CD2
TRP
TRP
TRP
12
12
12
N
1
-8.56
1.30
127.00
118.44
A
A
A
CB
CG
CD1
TRP
TRP
TRP
12
12
12
N
1
-6.36
0.80
107.30
100.94
A
A
A
CE2
CD2
CG
TRP
TRP
TRP
12
12
12
N
1
6.10
0.90
133.90
140.00
A
A
A
CG
CD2
CE3
TRP
TRP
TRP
12
12
12
N
1
6.72
0.80
106.30
113.02
A
A
A
CD1
CG
CD2
TRP
TRP
TRP
35
35
35
N
1
-5.93
0.80
107.30
101.37
A
A
A
CE2
CD2
CG
TRP
TRP
TRP
35
35
35
N
1
A
A
CG
OD2
ASP
ASP
75
75
0.142
0.023
1.249
1.391
N
1
A
A
NE2
CD2
HIS
HIS
106
106
-0.067
0.011
1.373
1.306
N
1
A
GLN
2
-96.35
30.51
1
A
ASN
28
-160.79
108.21
1
A
PRO
29
-69.48
-167.30
1
A
THR
30
-143.41
-51.10
1
A
ARG
40
174.93
-25.44
1
A
ALA
42
-94.22
33.60
1
A
ALA
43
-173.45
-48.28
1
A
LEU
49
-109.18
-64.03
1
A
SER
53
-112.02
-161.35
THREE SHORT LOOP REGIONS HAVE POOR ELECTRON DENSITY AND
AVERAGE B-FACTORS ABOVE 50A**2: (I) SER 27-SER 31, (II)
GLN 54-LYS 56, (III) ARG 40-ALA 43. IN THESE REGIONS
SUFFICIENT MAIN-CHAIN DENSITY IS PRESENT TO PROVIDE
CONFIDENCE THAT THE COURSE OF THE MAIN-CHAIN IS
GENERALLY CORRECT, BUT THE EXACT MAIN-CHAIN TORSION
ANGLES AND SIDE-CHAIN POSITIONS ARE NOT WELL DEFINED.
0.192
0.192
2.6
8.0
18872
1
0.0
2.6
8.0
69
1185
5
0
1111
0.011
3.1
model building
X-PLOR
refinement
X-PLOR
phasing
X-PLOR
CD8 (T CELL C0-RECEPTOR, N-TERMINAL 114 RESIDUES)
CRYSTAL STRUCTURE OF A SOLUBLE FORM OF THE HUMAN T CELL CO-RECEPTOR CD8 AT 2.6 ANGSTROMS RESOLUTION
1
N
N
2
N
N
3
N
N
A
ARG
85
A
ARG
85
HELX_P
A
GLU
89
A
GLU
89
5
1
5
disulf
2.020
A
CYS
22
A
SG
CYS
22
1_555
A
CYS
94
A
SG
CYS
94
1_555
SURFACE GLYCOPROTEIN
SURFACE GLYCOPROTEIN
A
SER
6
A
SER
6
1
A
PRO
7
A
PRO
7
-0.38
CD8A_HUMAN
UNP
1
1
P01732
MALPVTALLLPLALLLHAARPSQFRVSPLDRTWNLGETVELKCQVLLSNPTSGCSWLFQPRGAAASPTFLLYLSQNKPKA
AEGLDTQRFSGKRLGDTFVLTLSDFRRENEGYYFCSALSNSIMYFSHFVPVFLPAKPTTTPAPRPPTPAPTIASQPLSLR
PEACRPAAGGAVHTRGLDFACDIYIWAPLAGTCGVLLLSLVITLYCNHRNRRRVCKCPRPVVKSGDKPSLSARYV
22
135
1CD8
1
114
P01732
A
1
1
114
4
5
5
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
anti-parallel
A
PHE
3
A
PHE
3
A
SER
6
A
SER
6
A
VAL
18
A
VAL
18
A
VAL
24
A
VAL
24
A
THR
76
A
THR
76
A
LEU
81
A
LEU
81
A
PHE
68
A
PHE
68
A
LEU
73
A
LEU
73
A
LYS
58
A
LYS
58
A
ALA
59
A
ALA
59
A
THR
47
A
THR
47
A
LEU
52
A
LEU
52
A
CYS
33
A
CYS
33
A
GLN
38
A
GLN
38
A
GLY
90
A
GLY
90
A
SER
98
A
SER
98
A
ILE
101
A
ILE
101
A
PHE
104
A
PHE
104
A
LYS
58
A
LYS
58
A
ALA
59
A
ALA
59
A
THR
47
A
THR
47
A
LEU
52
A
LEU
52
A
CYS
33
A
CYS
33
A
GLN
38
A
GLN
38
A
GLY
90
A
GLY
90
A
SER
98
A
SER
98
A
VAL
108
A
VAL
108
A
VAL
110
A
VAL
110
BINDING SITE FOR RESIDUE SO4 A 207
Software
4
A
ARG
4
A
ARG
4
4
10_665
A
PRO
7
A
PRO
7
4
1_555
A
ARG
10
A
ARG
10
4
1_555
A
LYS
21
A
LYS
21
4
4_665
181
P 64 2 2