0.018605
0.000000
0.005230
0.000000
0.051546
0.000000
0.000000
0.000000
0.022660
0.000000
0.000000
0.000000
Cruse, W.
Saludjian, P.
Neuman, A.
Prange, T.
http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic
8
90.00
105.70
90.00
53.730
19.390
45.830
C9 H14 N3 O8 P
323.197
y
CYTIDINE-5'-MONOPHOSPHATE
RNA linking
Cl -1
35.453
CHLORIDE ION
non-polymer
C10 H14 N5 O8 P
363.221
y
GUANOSINE-5'-MONOPHOSPHATE
RNA linking
H2 O
18.015
WATER
non-polymer
H18 N6 Rh 3
205.089
RHODIUM HEXAMINE ION
non-polymer
C9 H13 N2 O9 P
324.181
y
URIDINE-5'-MONOPHOSPHATE
RNA linking
C9 H12 F N2 O8 P
326.172
5-FLUORO-2'-DEOXYURIDINE-5'-MONOPHOSPHATE
DNA linking
N
1
N
O
N
2
N
P
N
3
N
O
N
4
N
O
N
5
N
O
N
6
N
C
N
7
R
C
N
8
N
O
N
9
S
C
N
10
N
O
N
11
R
C
N
12
N
O
N
13
R
C
N
14
N
N
N
15
N
C
N
16
N
O
N
17
N
N
N
18
N
C
N
19
N
N
N
20
N
C
N
21
N
C
N
22
N
H
N
23
N
H
N
24
N
H
N
25
N
H
N
26
N
H
N
27
N
H
N
28
N
H
N
29
N
H
N
30
N
H
N
31
N
H
N
32
N
H
N
33
N
H
N
34
N
H
N
35
N
H
N
36
N
CL
N
37
N
O
N
38
N
P
N
39
N
O
N
40
N
O
N
41
N
O
N
42
N
C
N
43
R
C
N
44
N
O
N
45
S
C
N
46
N
O
N
47
R
C
N
48
N
O
N
49
R
C
Y
50
N
N
Y
51
N
C
Y
52
N
N
Y
53
N
C
N
54
N
C
N
55
N
O
N
56
N
N
N
57
N
C
N
58
N
N
N
59
N
N
Y
60
N
C
N
61
N
H
N
62
N
H
N
63
N
H
N
64
N
H
N
65
N
H
N
66
N
H
N
67
N
H
N
68
N
H
N
69
N
H
N
70
N
H
N
71
N
H
N
72
N
H
N
73
N
H
N
74
N
H
N
75
N
O
N
76
N
H
N
77
N
H
N
78
N
RH
N
79
N
N
N
80
N
N
N
81
N
N
N
82
N
N
N
83
N
N
N
84
N
N
N
85
N
H
N
86
N
H
N
87
N
H
N
88
N
H
N
89
N
H
N
90
N
H
N
91
N
H
N
92
N
H
N
93
N
H
N
94
N
H
N
95
N
H
N
96
N
H
N
97
N
H
N
98
N
H
N
99
N
H
N
100
N
H
N
101
N
H
N
102
N
H
N
103
N
O
N
104
N
P
N
105
N
O
N
106
N
O
N
107
N
O
N
108
N
C
N
109
R
C
N
110
N
O
N
111
S
C
N
112
N
O
N
113
R
C
N
114
N
O
N
115
R
C
N
116
N
N
N
117
N
C
N
118
N
O
N
119
N
N
N
120
N
C
N
121
N
O
N
122
N
C
N
123
N
C
N
124
N
H
N
125
N
H
N
126
N
H
N
127
N
H
N
128
N
H
N
129
N
H
N
130
N
H
N
131
N
H
N
132
N
H
N
133
N
H
N
134
N
H
N
135
N
H
N
136
N
H
N
137
N
N
N
138
N
C
N
139
N
N
N
140
N
C
N
141
N
C
N
142
N
C
N
143
N
O
N
144
N
O
N
145
N
F
N
146
R
C
N
147
N
C
N
148
S
C
N
149
R
C
N
150
N
O
N
151
N
O
N
152
N
C
N
153
N
O
N
154
N
P
N
155
N
O
N
156
N
O
N
157
N
O
N
158
N
H
N
159
N
H
N
160
N
H
N
161
N
H
N
162
N
H
N
163
N
H
N
164
N
H
N
165
N
H
N
166
N
H
N
167
N
H
N
168
N
H
N
169
N
H
N
1
N
sing
N
2
N
sing
N
3
N
doub
N
4
N
sing
N
5
N
sing
N
6
N
sing
N
7
N
sing
N
8
N
sing
N
9
N
sing
N
10
N
sing
N
11
N
sing
N
12
N
sing
N
13
N
sing
N
14
N
sing
N
15
N
sing
N
16
N
sing
N
17
N
sing
N
18
N
sing
N
19
N
sing
N
20
N
sing
N
21
N
sing
N
22
N
sing
N
23
N
sing
N
24
N
sing
N
25
N
sing
N
26
N
sing
N
27
N
doub
N
28
N
sing
N
29
N
doub
N
30
N
sing
N
31
N
sing
N
32
N
sing
N
33
N
sing
N
34
N
doub
N
35
N
sing
N
36
N
sing
N
37
N
sing
N
38
N
sing
N
39
N
doub
N
40
N
sing
N
41
N
sing
N
42
N
sing
N
43
N
sing
N
44
N
sing
N
45
N
sing
N
46
N
sing
N
47
N
sing
N
48
N
sing
N
49
N
sing
N
50
N
sing
N
51
N
sing
N
52
N
sing
N
53
N
sing
N
54
N
sing
N
55
N
sing
N
56
N
sing
N
57
N
sing
N
58
N
sing
N
59
N
sing
N
60
N
sing
Y
61
N
sing
Y
62
N
sing
Y
63
N
doub
N
64
N
sing
Y
65
N
sing
N
66
N
sing
Y
67
N
doub
N
68
N
doub
N
69
N
sing
N
70
N
sing
N
71
N
sing
N
72
N
sing
N
73
N
doub
N
74
N
sing
N
75
N
sing
N
76
N
sing
N
77
N
sing
N
78
N
sing
N
79
N
sing
N
80
N
sing
N
81
N
sing
N
82
N
sing
N
83
N
sing
N
84
N
sing
N
85
N
sing
N
86
N
sing
N
87
N
sing
N
88
N
sing
N
89
N
sing
N
90
N
sing
N
91
N
sing
N
92
N
sing
N
93
N
sing
N
94
N
sing
N
95
N
sing
N
96
N
sing
N
97
N
sing
N
98
N
sing
N
99
N
sing
N
100
N
sing
N
101
N
sing
N
102
N
sing
N
103
N
sing
N
104
N
sing
N
105
N
doub
N
106
N
sing
N
107
N
sing
N
108
N
sing
N
109
N
sing
N
110
N
sing
N
111
N
sing
N
112
N
sing
N
113
N
sing
N
114
N
sing
N
115
N
sing
N
116
N
sing
N
117
N
sing
N
118
N
sing
N
119
N
sing
N
120
N
sing
N
121
N
sing
N
122
N
sing
N
123
N
sing
N
124
N
sing
N
125
N
sing
N
126
N
sing
N
127
N
sing
N
128
N
sing
N
129
N
doub
N
130
N
sing
N
131
N
sing
N
132
N
sing
N
133
N
doub
N
134
N
sing
N
135
N
doub
N
136
N
sing
N
137
N
sing
N
138
N
sing
N
139
N
sing
N
140
N
sing
N
141
N
sing
N
142
N
doub
N
143
N
sing
N
144
N
sing
N
145
N
sing
N
146
N
doub
N
147
N
doub
N
148
N
sing
N
149
N
sing
N
150
N
sing
N
151
N
sing
N
152
N
sing
N
153
N
sing
N
154
N
sing
N
155
N
sing
N
156
N
sing
N
157
N
sing
N
158
N
sing
N
159
N
sing
N
160
N
sing
N
161
N
sing
N
162
N
sing
N
163
N
sing
N
164
N
sing
N
165
N
sing
N
166
N
sing
N
167
N
doub
N
168
N
sing
N
169
N
sing
N
170
N
sing
N
171
N
sing
DK
Acta Crystallogr.,Sect.D
ABCRE6
0766
0907-4449
57
1609
1613
10.1107/S0907444901012318
11679725
Destabilizing effect of a fluorouracil extra base in a hybrid RNA duplex compared with bromo and chloro analogues.
2001
US
Proc.Natl.Acad.Sci.USA
PNASA6
0040
0027-8424
91
4160
4164
Structure of a Mispaired RNA Double Helix at 1.6 A Resolution and Implications for the Prediction of RNA Secondary Structure
1994
10.2210/pdb1id9/pdb
pdb_00001id9
1.000000
0.000000
0.000000
0.000000
1.000000
0.000000
0.000000
0.000000
1.000000
0.00000
0.00000
0.00000
277
1
Si(111)
IMAGE PLATE
1998-10-08
MARRESEARCH
curvated Si(111) mirror
SINGLE WAVELENGTH
M
x-ray
1
0.967
1.0
DW32
LURE
0.967
SYNCHROTRON
LURE BEAMLINE DW32
2826.694
5'-R(*GP*CP*UP*UP*CP*GP*GP*C)-D(P*(UFP))-3'
2
syn
polymer
205.089
RHODIUM HEXAMINE ION
2
syn
non-polymer
35.453
CHLORIDE ION
2
syn
non-polymer
18.015
water
50
nat
water
no
yes
GCUUCGGC(UFP)
GCUUCGGCN
A,B
polydeoxyribonucleotide/polyribonucleotide hybrid
n
n
n
n
n
n
n
n
n
1
2.03
39.53
VAPOR DIFFUSION, SITTING DROP
6.8
Cacodylate, MPD, rhodium(iii) hexammine, pH 6.8, VAPOR DIFFUSION, SITTING DROP, temperature 277K
277
Cacodylate
1
MPD
1
rhodium(iii) hexammine
1
MPD
2
-5.384
1
19
A
1
B
8
-0.423
A_G1:C8_B
1
-12.337
0.060
-0.034
-0.150
-2.206
1
19
A
2
B
7
-1.567
A_C2:G7_B
2
-11.376
0.111
0.056
-0.199
-1.211
28
A
3
B
6
0.714
A_U3:G6_B
3
-7.458
2.418
0.193
-0.533
1.891
A
4
B
5
-41.505
A_U4:C5_B
4
-2.525
-0.564
-0.132
0.126
8.885
A
5
B
4
-39.783
A_C5:U4_B
5
-2.911
0.553
-0.099
0.045
3.444
28
A
6
B
3
-4.135
A_G6:U3_B
6
-9.707
-2.442
-0.083
-0.686
-4.888
1
19
A
7
B
2
-0.400
A_G7:C2_B
7
-13.163
-0.185
0.037
-0.162
-5.646
1
19
A
8
B
1
-0.728
A_C8:G1_B
8
-4.680
0.162
0.221
-0.150
2.792
32.819
A
A
1
2
14.895
B
B
8
7
3.192
8.317
-0.718
-1.428
AA_G1C2:G7C8_BB
1
-3.074
5.505
31.631
-3.859
0.779
3.081
41.104
A
A
2
3
8.571
B
B
7
6
3.302
5.998
0.246
-1.377
AA_C2U3:G6G7_BB
2
0.683
-0.976
40.677
-2.599
-0.278
2.664
21.462
A
A
3
4
18.361
B
B
6
5
3.174
6.720
-3.992
-1.938
AA_U3U4:C5G6_BB
3
-1.377
3.762
20.348
-7.696
10.210
2.928
38.697
A
A
4
5
12.722
B
B
5
4
3.404
8.364
-0.153
-1.941
AA_U4C5:U4C5_BB
4
-2.221
3.378
37.753
-3.937
-0.037
2.527
26.470
A
A
5
6
21.957
B
B
4
3
3.443
9.821
3.107
-1.707
AA_C5G6:U3U4_BB
5
-0.462
1.033
24.606
-6.194
-6.902
3.294
40.907
A
A
6
7
6.933
B
B
3
2
3.540
4.832
0.309
-1.734
AA_G6G7:C2U3_BB
6
-2.716
3.897
40.546
-3.036
-0.754
3.307
33.947
A
A
7
8
1.354
B
B
2
1
3.354
0.791
0.084
-2.006
AA_G7C8:G1C2_BB
7
-0.315
0.540
33.937
-3.565
-0.195
chem_comp_atom
chem_comp_bond
database_2
pdbx_initial_refinement_model
struct_conn
struct_site
repository
Initial release
Version format compliance
Version format compliance
Data collection
Database references
Derived calculations
Refinement description
1
0
2001-04-12
1
1
2008-04-27
1
2
2011-07-13
1
3
2023-08-09
_database_2.pdbx_DOI
_database_2.pdbx_database_accession
_struct_conn.pdbx_leaving_atom_flag
_struct_site.pdbx_auth_asym_id
_struct_site.pdbx_auth_comp_id
_struct_site.pdbx_auth_seq_id
Rhodium hexammine replaced by
iridium hexammine
RCSB
Y
RCSB
2001-04-04
REL
RHD
RHODIUM HEXAMINE ION
CL
CHLORIDE ION
HOH
water
phosphoramidite method
sample
165D
pdb entry 165D
PDB
experimental model
RHO
11
2
RHD
RHD
11
A
RHO
12
2
RHD
RHD
12
A
CL
32
3
CL
CL
32
A
CL
31
3
CL
CL
31
B
HOH
101
4
HOH
HOH
101
A
HOH
102
4
HOH
HOH
102
A
HOH
105
4
HOH
HOH
105
A
HOH
107
4
HOH
HOH
107
A
HOH
109
4
HOH
HOH
109
A
HOH
111
4
HOH
HOH
111
A
HOH
112
4
HOH
HOH
112
A
HOH
113
4
HOH
HOH
113
A
HOH
115
4
HOH
HOH
115
A
HOH
116
4
HOH
HOH
116
A
HOH
117
4
HOH
HOH
117
A
HOH
118
4
HOH
HOH
118
A
HOH
119
4
HOH
HOH
119
A
HOH
121
4
HOH
HOH
121
A
HOH
124
4
HOH
HOH
124
A
HOH
125
4
HOH
HOH
125
A
HOH
126
4
HOH
HOH
126
A
HOH
127
4
HOH
HOH
127
A
HOH
128
4
HOH
HOH
128
A
HOH
129
4
HOH
HOH
129
A
HOH
130
4
HOH
HOH
130
A
HOH
131
4
HOH
HOH
131
A
HOH
134
4
HOH
HOH
134
A
HOH
136
4
HOH
HOH
136
A
HOH
137
4
HOH
HOH
137
A
HOH
138
4
HOH
HOH
138
A
HOH
139
4
HOH
HOH
139
A
HOH
141
4
HOH
HOH
141
A
HOH
143
4
HOH
HOH
143
A
HOH
145
4
HOH
HOH
145
A
HOH
147
4
HOH
HOH
147
A
HOH
149
4
HOH
HOH
149
A
HOH
103
4
HOH
HOH
103
B
HOH
104
4
HOH
HOH
104
B
HOH
106
4
HOH
HOH
106
B
HOH
108
4
HOH
HOH
108
B
HOH
110
4
HOH
HOH
110
B
HOH
114
4
HOH
HOH
114
B
HOH
120
4
HOH
HOH
120
B
HOH
122
4
HOH
HOH
122
B
HOH
123
4
HOH
HOH
123
B
HOH
132
4
HOH
HOH
132
B
HOH
133
4
HOH
HOH
133
B
HOH
135
4
HOH
HOH
135
B
HOH
140
4
HOH
HOH
140
B
HOH
142
4
HOH
HOH
142
B
HOH
144
4
HOH
HOH
144
B
HOH
146
4
HOH
HOH
146
B
HOH
148
4
HOH
HOH
148
B
HOH
150
4
HOH
HOH
150
B
G
1
n
1
G
1
A
C
2
n
2
C
2
A
U
3
n
3
U
3
A
U
4
n
4
U
4
A
C
5
n
5
C
5
A
G
6
n
6
G
6
A
G
7
n
7
G
7
A
C
8
n
8
C
8
A
+U
9
n
9
UFP
9
A
G
1
n
1
G
1
B
C
2
n
2
C
2
B
U
3
n
3
U
3
B
U
4
n
4
U
4
B
C
5
n
5
C
5
B
G
6
n
6
G
6
B
G
7
n
7
G
7
B
C
8
n
8
C
8
B
+U
9
n
9
UFP
9
B
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
1
4.17
0.50
119.90
124.07
A
A
A
C2
N3
C4
C
C
C
2
2
2
N
1
-3.34
0.40
121.90
118.56
A
A
A
N3
C4
C5
C
C
C
2
2
2
N
1
3.55
0.50
121.00
124.55
A
A
A
C5
C6
N1
C
C
C
2
2
2
N
1
-5.26
0.60
127.00
121.74
A
A
A
C2
N3
C4
U
U
U
3
3
3
N
1
4.19
0.60
114.60
118.79
A
A
A
N3
C4
C5
U
U
U
3
3
3
N
1
-5.64
0.60
125.90
120.26
A
A
A
C5
C4
O4
U
U
U
3
3
3
N
1
-5.11
0.80
109.40
104.29
A
A
A
O5'
C5'
C4'
U
U
U
4
4
4
N
1
3.80
0.60
114.90
118.70
A
A
A
N1
C2
N3
U
U
U
4
4
4
N
1
-4.10
0.60
127.00
122.90
A
A
A
C2
N3
C4
U
U
U
4
4
4
N
1
-4.85
0.60
125.90
121.05
A
A
A
C5
C4
O4
U
U
U
4
4
4
N
1
-2.44
0.40
121.90
119.46
A
A
A
N3
C4
C5
C
C
C
5
5
5
N
1
-4.13
0.60
118.80
114.67
A
A
A
C4
C5
C6
G
G
G
6
6
6
N
1
4.61
0.50
111.50
116.11
A
A
A
C5
C6
N1
G
G
G
6
6
6
N
1
-7.33
0.60
128.60
121.27
A
A
A
C5
C6
O6
G
G
G
6
6
6
N
1
3.20
0.50
111.50
114.70
A
A
A
C5
C6
N1
G
G
G
7
7
7
N
1
-2.41
0.40
121.90
119.49
A
A
A
N3
C4
C5
C
C
C
8
8
8
N
1
9.58
1.20
119.70
129.28
A
A
A
C3'
O3'
P
C
C
UFP
8
8
9
Y
1
-3.89
0.60
125.10
121.21
B
B
B
C6
N1
C2
G
G
G
1
1
1
N
1
-3.32
0.40
121.90
118.58
B
B
B
N3
C4
C5
C
C
C
2
2
2
N
1
3.25
0.50
121.00
124.25
B
B
B
C5
C6
N1
C
C
C
2
2
2
N
1
-3.75
0.60
121.00
117.25
B
B
B
C6
N1
C2
U
U
U
3
3
3
N
1
3.88
0.60
114.90
118.78
B
B
B
N1
C2
N3
U
U
U
3
3
3
N
1
-3.90
0.60
127.00
123.10
B
B
B
C2
N3
C4
U
U
U
4
4
4
N
1
-3.76
0.60
125.90
122.14
B
B
B
C5
C4
O4
U
U
U
4
4
4
N
1
-9.12
1.50
119.60
110.48
B
B
B
OP1
P
OP2
C
C
C
5
5
5
N
1
-3.24
0.40
121.90
118.66
B
B
B
N3
C4
C5
C
C
C
5
5
5
N
1
-6.02
0.80
109.40
103.38
B
B
B
O5'
C5'
C4'
G
G
G
6
6
6
N
1
-2.63
0.40
121.90
119.27
B
B
B
N3
C4
C5
C
C
C
8
8
8
N
Last fluoro-uracil (chain B) refined as a
two-position disorder
0.195
0.156
0.155
0.153
1.6
11
410
4425
4339
98
RANDOM
1
Isotropic, the rhodium atoms were anisotropically refined
THROUGHOUT
2
4
MOLECULAR REPLACEMENT
pdb entry 165D
personal dictionary from small molecules
1.6
11
50
454
19
385
0
0.013
0.027
0.074
0.02
0.2
0.02
0.181
1.7
64
76.9
0.198
0.02
0.166
1.8
65
74.8
0.195
0.02
0.165
2
95
77.6
0.19
0.02
0.156
3
135
69.1
0.2
0.02
0.117
5
42
54.4
0.22
0.02
0.13
11
9
42.2
18
1.6
11
1ID9
4425
4339
2
4
0.041
0.045
1
21
9
98
0.141
1.6
1.7
4.1
786
0.16
5
76
data reduction
MOSFLM
data scaling
SCALA
phasing
AMoRE
refinement
SHELXL-97
data scaling
CCP4
(SCALA)
STRUCTURE OF THE HYBRID RNA/DNA R-GCUUCGGC-D[F]U IN PRESENCE OF RH(NH3)6+++
1
N
N
1
N
N
2
N
N
2
N
N
3
N
N
3
N
N
4
N
N
4
N
N
covale
1.594
both
A
C
8
A
O3'
C
8
1_555
A
UFP
9
A
P
UFP
9
1_555
covale
1.616
both
B
C
8
B
O3'
C
8
1_555
B
UFP
9
B
P
UFP
9
1_555
hydrog
WATSON-CRICK
A
G
1
A
N1
G
1
1_555
B
C
8
B
N3
C
8
1_555
hydrog
WATSON-CRICK
A
G
1
A
N2
G
1
1_555
B
C
8
B
O2
C
8
1_555
hydrog
WATSON-CRICK
A
G
1
A
O6
G
1
1_555
B
C
8
B
N4
C
8
1_555
hydrog
WATSON-CRICK
A
C
2
A
N3
C
2
1_555
B
G
7
B
N1
G
7
1_555
hydrog
WATSON-CRICK
A
C
2
A
N4
C
2
1_555
B
G
7
B
O6
G
7
1_555
hydrog
WATSON-CRICK
A
C
2
A
O2
C
2
1_555
B
G
7
B
N2
G
7
1_555
hydrog
TYPE_28_PAIR
A
U
3
A
N3
U
3
1_555
B
G
6
B
O6
G
6
1_555
hydrog
TYPE_28_PAIR
A
U
3
A
O2
U
3
1_555
B
G
6
B
N1
G
6
1_555
hydrog
U-C MISPAIR
A
U
4
A
O4
U
4
1_555
B
C
5
B
N4
C
5
1_555
hydrog
C-U MISPAIR
A
C
5
A
N4
C
5
1_555
B
U
4
B
O4
U
4
1_555
hydrog
TYPE_28_PAIR
A
G
6
A
N1
G
6
1_555
B
U
3
B
O2
U
3
1_555
hydrog
TYPE_28_PAIR
A
G
6
A
O6
G
6
1_555
B
U
3
B
N3
U
3
1_555
hydrog
WATSON-CRICK
A
G
7
A
N1
G
7
1_555
B
C
2
B
N3
C
2
1_555
hydrog
WATSON-CRICK
A
G
7
A
N2
G
7
1_555
B
C
2
B
O2
C
2
1_555
hydrog
WATSON-CRICK
A
G
7
A
O6
G
7
1_555
B
C
2
B
N4
C
2
1_555
hydrog
WATSON-CRICK
A
C
8
A
N3
C
8
1_555
B
G
1
B
N1
G
1
1_555
hydrog
WATSON-CRICK
A
C
8
A
N4
C
8
1_555
B
G
1
B
O6
G
1
1_555
hydrog
WATSON-CRICK
A
C
8
A
O2
C
8
1_555
B
G
1
B
N2
G
1
1_555
DNA/RNA
RNA/DNA HYBRID, FLUORO URACIL, RHODIUM(III) HEXAMMINE, C-U MISMATCH, G-U mismatch, DNA-RNA COMPLEX
1ID9
PDB
1
1ID9
1
9
1ID9
1
9
1ID9
A
1
1
9
1
9
1ID9
1
9
1ID9
B
1
1
9
BINDING SITE FOR RESIDUE RHD A 11
A
RHD
11
Software
5
BINDING SITE FOR RESIDUE RHD A 12
A
RHD
12
Software
5
A
C
5
A
C
5
5
1_555
A
G
6
A
G
6
5
1_555
A
G
7
A
G
7
5
1_555
A
HOH
117
G
HOH
5
1_555
A
HOH
119
G
HOH
5
1_555
A
C
5
A
C
5
5
4_545
A
G
7
A
G
7
5
1_545
A
C
8
A
C
8
5
1_545
A
HOH
126
G
HOH
5
4_545
B
C
5
B
C
5
5
4_545
5
C 1 2 1