Netiquette · Download · News · Gallery · G-quadruplexes · DSSR-Jmol · DSSR-PyMOL · Video Overview · DSSR v2.6.0 (DSSR Manual) · Homepage

3DNA Forum - Statistics Center

General Statistics

Total Members:
5696
Total Posts:
3705
Total Topics:
945
Total Categories:
4
Users Online:
725
Most Online:
5288 - August 07, 2025, 07:41:18 am
Online Today:
1558
Average registrations per day:
1.59
Average posts per day:
0.62
Average topics per day:
0.15
Total Boards:
22
Latest Member:
pnourian
Average online per day:
152.68
Male to Female Ratio:
4:1

Top Topic Starters

xiangjun
158
auffinger
38
lvelve0901
23
ghzheng
16
shuxiang
15
mauricio esguerra
15
admin
14
febos
14
acolasanti
10
maryatx3dna
9

Most Time Online

xiangjun
97d 13h 30m
shuxiang
19h 32m
mauricio esguerra
17h 7m
auffinger
15h 6m
lvelve0901
14h 46m
febos
14h 16m
MingyuSun
12h 12m
acolasanti
10h 11m
admin
9h 25m
martingb
7h 47m

Forum History (using forum time offset)

Yearly Summary New Topics New Posts New Members Most Online
* 2025 20 120 1446 5288
December 2025 0 0 15 1996
November 2025 1 10 118 2898
October 2025 0 0 105 2861
September 2025 0 4 90 2261
August 2025 0 5 92 5288
July 2025 3 11 169 1496
June 2025 2 17 198 772
May 2025 3 12 166 615
April 2025 4 31 168 609
March 2025 1 10 121 657
February 2025 2 10 102 340
January 2025 4 10 102 774
* 2024 15 64 401 931
December 2024 3 18 72 383
November 2024 1 4 51 610
October 2024 1 4 72 931
September 2024 2 6 16 454
August 2024 0 1 1 298
2024-08-01 0 0 0 253
2024-08-02 0 0 0 252
2024-08-03 0 0 0 252
2024-08-04 0 0 0 247
2024-08-05 0 0 0 264
2024-08-06 0 0 0 243
2024-08-07 0 0 0 248
2024-08-08 0 1 0 263
2024-08-09 0 0 0 274
2024-08-10 0 0 0 261
2024-08-11 0 0 0 252
2024-08-12 0 0 0 270
2024-08-13 0 0 0 254
2024-08-14 0 0 0 265
2024-08-15 0 0 0 265
2024-08-16 0 0 0 250
2024-08-17 0 0 0 253
2024-08-18 0 0 0 246
2024-08-19 0 0 1 262
2024-08-20 0 0 0 248
2024-08-21 0 0 0 255
2024-08-22 0 0 0 215
2024-08-23 0 0 0 238
2024-08-24 0 0 0 254
2024-08-25 0 0 0 255
2024-08-26 0 0 0 265
2024-08-27 0 0 0 248
2024-08-28 0 0 0 261
2024-08-29 0 0 0 298
2024-08-30 0 0 0 286
2024-08-31 0 0 0 288
July 2024 0 2 5 309
June 2024 1 2 0 331
2024-06-01 0 0 0 279
2024-06-02 0 0 0 269
2024-06-03 0 0 0 252
2024-06-04 0 0 0 305
2024-06-05 0 0 0 293
2024-06-06 0 0 0 271
2024-06-07 0 0 0 260
2024-06-08 0 0 0 258
2024-06-09 1 2 0 279
2024-06-10 0 0 0 260
2024-06-11 0 0 0 331
2024-06-12 0 0 0 323
2024-06-13 0 0 0 263
2024-06-14 0 0 0 259
2024-06-15 0 0 0 276
2024-06-16 0 0 0 263
2024-06-17 0 0 0 266
2024-06-18 0 0 0 267
2024-06-19 0 0 0 279
2024-06-20 0 0 0 248
2024-06-21 0 0 0 255
2024-06-22 0 0 0 262
2024-06-23 0 0 0 256
2024-06-24 0 0 0 255
2024-06-25 0 0 0 246
2024-06-26 0 0 0 253
2024-06-27 0 0 0 261
2024-06-28 0 0 0 248
2024-06-29 0 0 0 256
2024-06-30 0 0 0 238
May 2024 1 2 2 599
2024-05-01 0 0 0 301
2024-05-02 0 0 0 312
2024-05-03 0 0 0 454
2024-05-04 0 0 0 376
2024-05-05 0 0 0 367
2024-05-06 0 0 0 358
2024-05-07 0 0 0 356
2024-05-08 0 0 0 367
2024-05-09 0 0 2 403
2024-05-10 0 0 0 293
2024-05-11 0 0 0 296
2024-05-12 0 0 0 311
2024-05-13 0 0 0 599
2024-05-14 0 0 0 324
2024-05-15 0 0 0 331
2024-05-16 0 0 0 336
2024-05-17 0 0 0 367
2024-05-18 0 0 0 269
2024-05-19 0 0 0 259
2024-05-20 0 0 0 303
2024-05-21 0 0 0 325
2024-05-22 0 0 0 268
2024-05-23 0 0 0 267
2024-05-24 0 0 0 260
2024-05-25 0 0 0 257
2024-05-26 0 0 0 273
2024-05-27 1 2 0 313
2024-05-28 0 0 0 269
2024-05-29 0 0 0 258
2024-05-30 0 0 0 266
2024-05-31 0 0 0 267
April 2024 0 0 1 303
March 2024 0 0 1 275
2024-03-01 0 0 0 257
2024-03-02 0 0 0 248
2024-03-03 0 0 0 239
2024-03-04 0 0 0 245
2024-03-05 0 0 0 241
2024-03-06 0 0 0 230
2024-03-07 0 0 0 248
2024-03-08 0 0 0 254
2024-03-09 0 0 0 239
2024-03-10 0 0 0 244
2024-03-11 0 0 1 244
2024-03-12 0 0 0 238
2024-03-13 0 0 0 205
2024-03-14 0 0 0 233
2024-03-15 0 0 0 239
2024-03-16 0 0 0 247
2024-03-17 0 0 0 247
2024-03-18 0 0 0 248
2024-03-19 0 0 0 245
2024-03-20 0 0 0 249
2024-03-21 0 0 0 235
2024-03-22 0 0 0 243
2024-03-23 0 0 0 236
2024-03-24 0 0 0 225
2024-03-25 0 0 0 235
2024-03-26 0 0 0 240
2024-03-27 0 0 0 228
2024-03-28 0 0 0 261
2024-03-29 0 0 0 275
2024-03-30 0 0 0 215
2024-03-31 0 0 0 239
February 2024 6 22 150 350
2024-02-01 2 6 6 287
2024-02-02 1 6 4 289
2024-02-03 0 0 0 242
2024-02-04 0 2 8 233
2024-02-05 1 2 15 278
2024-02-06 0 0 0 276
2024-02-07 0 0 15 264
2024-02-08 0 0 18 240
2024-02-09 0 0 10 245
2024-02-10 0 0 5 258
2024-02-11 0 0 7 255
2024-02-12 0 0 8 288
2024-02-13 0 0 3 295
2024-02-14 1 1 12 245
2024-02-15 0 0 6 235
2024-02-16 1 2 6 238
2024-02-17 0 0 8 272
2024-02-18 0 0 8 350
2024-02-19 0 1 11 339
2024-02-20 0 2 0 324
2024-02-21 0 0 0 276
2024-02-22 0 0 0 239
2024-02-23 0 0 0 245
2024-02-24 0 0 0 236
2024-02-25 0 0 0 238
2024-02-26 0 0 0 244
2024-02-27 0 0 0 235
2024-02-28 0 0 0 252
2024-02-29 0 0 0 228
January 2024 0 3 30 333
2024-01-01 0 0 1 242
2024-01-02 0 0 0 238
2024-01-03 0 0 1 259
2024-01-04 0 0 0 236
2024-01-05 0 0 2 257
2024-01-06 0 0 0 333
2024-01-07 0 0 0 302
2024-01-08 0 0 2 293
2024-01-09 0 0 1 255
2024-01-10 0 0 0 226
2024-01-11 0 0 3 229
2024-01-12 0 0 1 234
2024-01-13 0 0 0 224
2024-01-14 0 0 1 235
2024-01-15 0 0 2 225
2024-01-16 0 0 2 237
2024-01-17 0 0 1 222
2024-01-18 0 0 0 222
2024-01-19 0 0 0 227
2024-01-20 0 0 1 220
2024-01-21 0 0 0 220
2024-01-22 0 0 1 218
2024-01-23 0 0 1 230
2024-01-24 0 0 2 232
2024-01-25 0 0 0 266
2024-01-26 0 0 0 241
2024-01-27 0 0 0 244
2024-01-28 0 0 0 247
2024-01-29 0 0 3 261
2024-01-30 0 2 1 273
2024-01-31 0 1 4 262
* 2023 10 28 256 1227
December 2023 0 0 11 446
2023-12-01 0 0 1 163
2023-12-02 0 0 0 160
2023-12-03 0 0 0 165
2023-12-04 0 0 0 167
2023-12-05 0 0 0 170
2023-12-06 0 0 0 185
2023-12-07 0 0 0 138
2023-12-08 0 0 0 182
2023-12-09 0 0 0 223
2023-12-10 0 0 0 194
2023-12-11 0 0 1 251
2023-12-12 0 0 1 209
2023-12-13 0 0 1 221
2023-12-14 0 0 2 231
2023-12-15 0 0 0 220
2023-12-16 0 0 0 246
2023-12-17 0 0 0 243
2023-12-18 0 0 0 396
2023-12-19 0 0 2 433
2023-12-20 0 0 1 446
2023-12-21 0 0 0 227
2023-12-22 0 0 1 224
2023-12-23 0 0 0 222
2023-12-24 0 0 0 216
2023-12-25 0 0 0 235
2023-12-26 0 0 1 221
2023-12-27 0 0 0 217
2023-12-28 0 0 0 231
2023-12-29 0 0 0 245
2023-12-30 0 0 0 247
2023-12-31 0 0 0 224
November 2023 1 7 16 217
October 2023 1 7 17 172
September 2023 1 3 25 282
August 2023 0 0 25 1227
July 2023 3 4 19 220
2023-07-01 0 0 0 186
2023-07-02 0 0 1 190
2023-07-03 0 0 1 184
2023-07-04 0 0 0 185
2023-07-05 0 0 1 186
2023-07-06 1 2 0 192
2023-07-07 0 0 0 156
2023-07-08 0 0 0 158
2023-07-09 0 0 4 152
2023-07-10 0 0 1 170
2023-07-11 0 0 2 181
2023-07-12 1 1 0 210
2023-07-13 0 0 1 194
2023-07-14 0 0 0 183
2023-07-15 0 0 1 193
2023-07-16 0 0 0 179
2023-07-17 0 0 1 192
2023-07-18 0 0 0 192
2023-07-19 0 0 1 189
2023-07-20 0 0 2 195
2023-07-21 1 1 0 184
2023-07-22 0 0 0 198
2023-07-23 0 0 0 189
2023-07-24 0 0 0 189
2023-07-25 0 0 0 196
2023-07-26 0 0 1 192
2023-07-27 0 0 0 220
2023-07-28 0 0 1 184
2023-07-29 0 0 0 196
2023-07-30 0 0 1 198
2023-07-31 0 0 0 204
June 2023 0 0 21 229
May 2023 1 3 26 170
April 2023 1 1 22 195
March 2023 1 1 15 160
February 2023 1 2 26 167
2023-02-01 1 1 3 131
2023-02-02 0 0 2 145
2023-02-03 0 0 1 138
2023-02-04 0 0 1 167
2023-02-05 0 0 1 142
2023-02-06 0 0 1 140
2023-02-07 0 0 0 142
2023-02-08 0 0 1 144
2023-02-09 0 0 1 145
2023-02-10 0 0 3 137
2023-02-11 0 0 1 134
2023-02-12 0 0 1 117
2023-02-13 0 0 1 143
2023-02-14 0 0 0 138
2023-02-15 0 0 1 132
2023-02-16 0 0 1 137
2023-02-17 0 0 0 135
2023-02-18 0 0 1 134
2023-02-19 0 0 0 136
2023-02-20 0 0 1 134
2023-02-21 0 0 0 145
2023-02-22 0 1 3 137
2023-02-23 0 0 0 130
2023-02-24 0 0 0 142
2023-02-25 0 0 0 136
2023-02-26 0 0 0 131
2023-02-27 0 0 1 131
2023-02-28 0 0 1 133
January 2023 0 0 33 453
* 2022 7 17 264 209
December 2022 0 3 10 145
November 2022 1 2 14 209
2022-11-01 0 0 0 84
2022-11-02 0 0 0 80
2022-11-03 0 0 0 86
2022-11-04 0 0 0 89
2022-11-05 0 0 1 97
2022-11-06 0 0 1 88
2022-11-07 0 0 3 94
2022-11-08 0 0 0 94
2022-11-09 0 1 1 101
2022-11-10 0 0 0 93
2022-11-11 0 0 1 90
2022-11-12 0 0 0 93
2022-11-13 0 0 0 95
2022-11-14 0 0 1 94
2022-11-15 0 0 0 121
2022-11-16 1 1 0 89
2022-11-17 0 0 1 96
2022-11-18 0 0 0 101
2022-11-19 0 0 0 92
2022-11-20 0 0 0 90
2022-11-21 0 0 0 93
2022-11-22 0 0 0 175
2022-11-23 0 0 0 176
2022-11-24 0 0 1 209
2022-11-25 0 0 0 160
2022-11-26 0 0 1 94
2022-11-27 0 0 0 90
2022-11-28 0 0 0 85
2022-11-29 0 0 3 122
2022-11-30 0 0 0 107
October 2022 1 1 17 117
September 2022 1 2 11 118
August 2022 0 2 16 124
July 2022 0 0 34 165
June 2022 0 0 34 101
2022-06-01 0 0 4 62
2022-06-02 0 0 2 63
2022-06-03 0 0 0 58
2022-06-04 0 0 0 101
2022-06-05 0 0 1 80
2022-06-06 0 0 2 83
2022-06-07 0 0 1 62
2022-06-08 0 0 1 62
2022-06-09 0 0 0 88
2022-06-10 0 0 1 62
2022-06-11 0 0 2 94
2022-06-12 0 0 1 89
2022-06-13 0 0 1 65
2022-06-14 0 0 2 70
2022-06-15 0 0 0 93
2022-06-16 0 0 0 59
2022-06-17 0 0 3 61
2022-06-18 0 0 0 60
2022-06-19 0 0 1 66
2022-06-20 0 0 1 59
2022-06-21 0 0 1 65
2022-06-22 0 0 1 61
2022-06-23 0 0 1 60
2022-06-24 0 0 0 61
2022-06-25 0 0 0 63
2022-06-26 0 0 1 58
2022-06-27 0 0 2 56
2022-06-28 0 0 1 57
2022-06-29 0 0 1 59
2022-06-30 0 0 3 72
May 2022 1 2 25 74
April 2022 0 0 23 72
March 2022 2 3 33 78
February 2022 0 0 16 82
January 2022 1 2 31 65
* 2021 44 176 297 305
December 2021 1 1 0 69
2021-12-01 0 0 0 61
2021-12-02 0 0 0 64
2021-12-03 0 0 0 64
2021-12-04 0 0 0 65
2021-12-05 0 0 0 63
2021-12-06 0 0 0 63
2021-12-07 0 0 0 69
2021-12-08 0 0 0 66
2021-12-09 0 0 0 69
2021-12-10 0 0 0 59
2021-12-11 0 0 0 60
2021-12-12 0 0 0 61
2021-12-13 0 0 0 59
2021-12-14 0 0 0 44
2021-12-15 0 0 0 44
2021-12-16 0 0 0 36
2021-12-17 0 0 0 37
2021-12-18 0 0 0 40
2021-12-19 0 0 0 40
2021-12-20 1 1 0 55
2021-12-21 0 0 0 58
2021-12-22 0 0 0 59
2021-12-23 0 0 0 50
2021-12-24 0 0 0 43
2021-12-25 0 0 0 37
2021-12-26 0 0 0 36
2021-12-27 0 0 0 58
2021-12-28 0 0 0 53
2021-12-29 0 0 0 60
2021-12-30 0 0 0 61
2021-12-31 0 0 0 67
November 2021 2 2 0 90
October 2021 6 11 18 80
September 2021 2 15 23 240
2021-09-01 0 0 0 191
2021-09-02 0 0 1 159
2021-09-03 0 0 0 159
2021-09-04 0 0 1 224
2021-09-05 0 0 0 224
2021-09-06 0 0 0 210
2021-09-07 0 0 1 179
2021-09-08 0 0 2 188
2021-09-09 0 0 0 192
2021-09-10 1 4 1 176
2021-09-11 0 2 0 153
2021-09-12 0 0 0 125
2021-09-13 0 2 1 165
2021-09-14 0 0 2 240
2021-09-15 1 5 2 167
2021-09-16 0 2 3 52
2021-09-17 0 0 0 38
2021-09-18 0 0 0 39
2021-09-19 0 0 0 44
2021-09-20 0 0 2 38
2021-09-21 0 0 1 41
2021-09-22 0 0 1 47
2021-09-23 0 0 0 52
2021-09-24 0 0 1 68
2021-09-25 0 0 0 68
2021-09-26 0 0 0 67
2021-09-27 0 0 1 41
2021-09-28 0 0 0 71
2021-09-29 0 0 0 80
2021-09-30 0 0 3 75
August 2021 0 1 25 297
July 2021 9 45 40 305
June 2021 0 7 22 226
May 2021 9 42 23 225
April 2021 5 19 23 176
March 2021 0 1 21 187
February 2021 7 25 63 188
2021-02-01 0 0 2 150
2021-02-02 0 0 6 139
2021-02-03 1 3 2 133
2021-02-04 0 0 3 149
2021-02-05 0 0 3 157
2021-02-06 0 1 4 146
2021-02-07 0 0 2 149
2021-02-08 0 0 2 156
2021-02-09 0 0 3 139
2021-02-10 0 0 1 135
2021-02-11 0 5 0 132
2021-02-12 0 0 2 154
2021-02-13 0 0 0 127
2021-02-14 0 0 1 120
2021-02-15 0 0 5 113
2021-02-16 0 1 3 124
2021-02-17 0 2 3 107
2021-02-18 5 7 1 116
2021-02-19 0 2 2 127
2021-02-20 0 0 1 108
2021-02-21 0 0 2 87
2021-02-22 0 0 2 107
2021-02-23 0 0 2 93
2021-02-24 0 2 4 123
2021-02-25 0 0 2 144
2021-02-26 0 0 4 145
2021-02-27 1 1 1 155
2021-02-28 0 1 0 188
January 2021 3 7 39 202
* 2020 52 181 640 1429
December 2020 4 13 48 181
November 2020 3 11 51 247
October 2020 2 5 51 243
September 2020 6 28 45 203
August 2020 2 3 49 271
July 2020 6 13 53 192
June 2020 3 18 65 209
May 2020 4 10 69 407
April 2020 6 24 84 356
March 2020 3 13 54 342
February 2020 7 23 35 364
January 2020 6 20 36 1429
* 2019 62 286 542 943
December 2019 3 7 35 456
November 2019 2 11 34 943
October 2019 3 16 44 489
September 2019 3 14 70 251
August 2019 6 27 45 207
July 2019 9 66 51 694
June 2019 14 52 37 225
2019-06-01 0 0 1 127
2019-06-02 0 0 0 108
2019-06-03 0 2 0 133
2019-06-04 0 0 2 225
2019-06-05 0 0 2 130
2019-06-06 0 0 1 155
2019-06-07 3 3 3 178
2019-06-08 0 0 1 199
2019-06-09 0 0 0 128
2019-06-10 3 20 1 136
2019-06-11 1 2 3 127
2019-06-12 0 0 0 148
2019-06-13 0 2 4 132
2019-06-14 3 5 3 203
2019-06-15 0 0 0 132
2019-06-16 0 0 1 123
2019-06-17 0 0 0 117
2019-06-18 0 2 1 225
2019-06-19 0 0 0 125
2019-06-20 0 0 3 189
2019-06-21 1 3 1 141
2019-06-22 0 0 0 140
2019-06-23 0 0 1 224
2019-06-24 0 0 3 193
2019-06-25 0 0 1 121
2019-06-26 0 8 2 202
2019-06-27 0 0 1 103
2019-06-28 1 1 1 181
2019-06-29 1 2 1 193
2019-06-30 1 2 0 190
May 2019 8 16 45 248
April 2019 2 22 44 230
March 2019 4 23 45 252
February 2019 6 25 39 166
January 2019 2 7 53 571
* 2018 56 258 578 619
December 2018 5 22 50 619
November 2018 5 41 40 471
October 2018 4 22 56 222
September 2018 3 15 49 161
August 2018 5 19 45 143
July 2018 9 24 43 167
June 2018 3 10 59 157
May 2018 4 18 54 136
April 2018 7 19 51 159
March 2018 4 25 40 171
February 2018 2 16 48 152
January 2018 5 27 43 146
* 2017 75 335 538 228
December 2017 3 11 24 132
November 2017 7 36 53 171
October 2017 3 20 54 165
September 2017 5 18 40 97
August 2017 5 15 35 170
July 2017 3 38 43 101
June 2017 6 36 46 131
May 2017 10 20 45 168
April 2017 5 30 42 228
March 2017 9 33 53 162
February 2017 14 62 48 80
January 2017 5 16 55 111
* 2016 73 363 563 211
December 2016 6 17 38 211
November 2016 9 41 43 199
October 2016 6 47 35 146
September 2016 6 20 45 89
August 2016 9 45 40 37
July 2016 6 36 43 36
June 2016 4 23 40 49
May 2016 11 44 53 38
April 2016 2 8 69 38
March 2016 6 58 59 32
February 2016 5 15 52 30
January 2016 3 9 46 29
* 2015 109 365 598 39
December 2015 1 5 35 20
November 2015 5 28 45 22
October 2015 6 20 52 25
September 2015 7 28 48 36
August 2015 4 22 44 31
July 2015 28 50 64 39
June 2015 10 28 51 16
May 2015 13 54 55 25
April 2015 10 35 29 16
March 2015 9 42 79 24
February 2015 7 22 49 14
January 2015 9 31 47 26
* 2014 59 221 696 40
December 2014 1 2 99 22
November 2014 6 23 48 17
October 2014 6 17 52 17
September 2014 7 30 33 40
August 2014 0 1 58 17
July 2014 6 20 59 25
June 2014 4 22 62 19
May 2014 6 19 56 19
April 2014 6 29 58 17
March 2014 4 12 63 21
February 2014 7 25 58 17
January 2014 6 21 50 18
2014-01-01 0 0 2 8
2014-01-02 0 0 1 9
2014-01-03 0 0 0 9
2014-01-04 0 0 2 10
2014-01-05 0 2 2 8
2014-01-06 0 0 2 8
2014-01-07 0 0 0 9
2014-01-08 0 0 3 9
2014-01-09 0 0 0 7
2014-01-10 2 3 1 8
2014-01-11 0 0 0 12
2014-01-12 0 0 0 8
2014-01-13 0 0 2 17
2014-01-14 0 2 4 13
2014-01-15 0 0 0 11
2014-01-16 0 2 2 12
2014-01-17 0 0 2 10
2014-01-18 0 0 3 9
2014-01-19 0 0 2 9
2014-01-20 0 0 2 9
2014-01-21 0 0 0 8
2014-01-22 1 1 1 9
2014-01-23 0 0 4 9
2014-01-24 0 0 0 12
2014-01-25 0 0 2 18
2014-01-26 1 2 1 17
2014-01-27 0 2 3 12
2014-01-28 1 2 2 16
2014-01-29 0 1 4 13
2014-01-30 0 0 1 15
2014-01-31 1 4 2 13
* 2013 79 354 667 25
December 2013 14 32 36 16
November 2013 5 32 51 18
October 2013 6 31 54 13
September 2013 6 26 61 25
August 2013 7 14 43 19
July 2013 1 4 66 22
June 2013 7 47 58 16
May 2013 2 17 57 14
April 2013 6 38 61 14
March 2013 9 45 65 24
February 2013 7 27 58 12
January 2013 9 41 57 15
* 2012 88 398 601 34
December 2012 2 17 31 13
November 2012 4 25 68 34
October 2012 6 21 60 26
September 2012 4 11 49 15
August 2012 3 18 64 13
July 2012 11 52 49 10
June 2012 9 58 67 29
May 2012 7 28 86 22
April 2012 10 65 57 9
March 2012 13 55 61 11
February 2012 13 38 7 6
January 2012 6 10 2 6
* 2011 3 6 8 6
December 2011 3 6 8 6

Funded by the NIH R24GM153869 grant on X3DNA-DSSR, an NIGMS National Resource for Structural Bioinformatics of Nucleic Acids

Created and maintained by Dr. Xiang-Jun Lu, Department of Biological Sciences, Columbia University