Binding Site Information of Target

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Target General Information
Drug Binding Sites of Target
References
Target General Information  Top
Target ID T73215 Target Info
Target Name Leukocyte surface antigen Leu-16 (CD20)
Synonyms Membrane-spanning 4-domains subfamily A member 1; Leu-16; Bp35; B-lymphocyte surface antigen B1; B-lymphocyte antigen CD20
Target Type Successful Target
Gene Name MS4A1
Biochemical Class CD20 calcium channel
UniProt ID
CD20_HUMAN
Drug Binding Sites of Target  Top
Ligand Name: Cholesterol hemisuccinate Ligand Info
Structure Description Structure of CD20 in complex with rituximab Fab PDB:6VJA
Method Electron microscopy Resolution 3.30 Å Mutation No [1]
PDB Sequence
MRESKTLGAV
55
QIMNGLFHIA
65
LGGLLMIPAG
75
IYAPICVTVW
85
YPLWGGIMYI
95

ISGSLLAATE
105
KNSRKCLVKG
115
KMIMNSLSLF
125
AAISGMILSI
135
MDILNIKISH
145

FLKMESLNFI
155
RAHTPYINIY
165
NCEPANPSEK
175
NSPSTQYCYS
185
IQSLFLGILS
195

VMLIFAFFQE
205
LVIAG
Residue
Distance (Å)
ILE64
4.284
GLY67
4.497
GLY68
3.765
MET71
3.475
ILE72
4.292
PRO73
3.804
TRP85
4.277
PRO87
4.918
LEU88
4.046
MET93
3.858
ILE96
3.651
GLY115
4.040
Residue
Distance (Å)
MET119
4.113
LEU122
3.464
LYS142
3.657
PHE154
3.555
HIS158
3.280
SER188
3.682
LEU191
4.383
GLY192
3.898
SER195
4.224
VAL196
3.833
ILE199
4.811
PHE200
4.524
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Ligand Name: Pentadecane Ligand Info
Structure Description Structure of full-length CD20 in complex with Rituximab Fab PDB:6Y90
Method Electron microscopy Resolution 3.69 Å Mutation No [2]
PDB Sequence
FMRESKTLGA
54
VQIMNGLFHI
64
ALGGLLMIPA
74
GIYAPICVTV
84
WYPLWGGIMY
94

IISGSLLAAT
104
EKNSRKCLVK
114
GKMIMNSLSL
124
FAAISGMILS
134
IMDILNIKIS
144

HFLKMESLNF
154
IRAHTPYINI
164
YNCEPANPSE
174
KNSPSTQYCY
184
SIQSLFLGIL
194

SVMLIFAFFQ
204
ELVIAGIVEN
214
EW
Residue
Distance (Å)
ILE80
4.903
THR83
3.781
VAL84
4.317
TRP85
3.742
LEU88
4.760
TRP89
4.323
SER129
3.820
ILE132
3.894
LEU133
4.975
Residue
Distance (Å)
ILE135
3.674
MET136
4.093
LEU139
4.795
PHE146
3.815
LEU147
3.731
MET149
3.669
LEU152
3.966
ASN153
4.270
PHE154
4.417
References  Top
REF 1 Structure of CD20 in complex with the therapeutic monoclonal antibody rituximab. Science. 2020 Mar 13;367(6483):1224-1230.
REF 2 Binding mechanisms of therapeutic antibodies to human CD20. Science. 2020 Aug 14;369(6505):793-799.

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