6QX9

Structure of a human fully-assembled precatalytic spliceosome (pre-B complex).


Sequence Similarity Clusters for the Entities in PDB 6QX9

Entity #1 | Chains: 1
U1 snRNA rna, length: 164 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
Entity #10 | Chains: 4C
U4/U6 small nuclear ribonucleoprotein Prp31 protein, length: 499 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 6 14959
95 % 1 6 15538
90 % 1 6 14838
70 % 1 6 14406
50 % 1 6 12299
40 % 1 6 12172
30 % 1 6 11163
Entity #11 | Chains: 11,21,41,51
Small nuclear ribonucleoprotein Sm D1 protein, length: 119 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 7 23 560
95 % 7 23 759
90 % 7 23 787
70 % 7 24 796
50 % 7 24 837
40 % 7 24 869
30 % 7 24 904
Entity #12 | Chains: R
RNA-binding protein 42 protein, length: 480 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 2 45564
95 % 1 2 41144
90 % 1 2 39745
70 % 1 2 35138
50 % 1 2 30080
40 % 1 2 27679
30 % 1 2 20062
Entity #13 | Chains: 1f,2f,4f,5f
Small nuclear ribonucleoprotein F protein, length: 86 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 12 28 511
95 % 12 28 683
90 % 12 28 716
70 % 12 28 751
50 % 12 28 795
40 % 12 28 823
30 % 12 28 865
Entity #14 | Chains: 66
U6 snRNA-associated Sm-like protein LSm6 protein, length: 80 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 6 16602
95 % 1 6 14698
90 % 1 6 14491
70 % 1 6 13687
50 % 3 8 7263
40 % 3 9 5863
30 % 3 9 5592
Entity #15 | Chains: X
U4/U6.U5 small nuclear ribonucleoprotein 27 kDa protein protein, length: 155 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 2 50085
95 % 1 2 32641
90 % 1 2 31323
70 % 1 2 28123
50 % 1 2 24617
40 % 1 2 22453
30 % 1 2 20063
Entity #16 | Chains: 12,22,42,52
Small nuclear ribonucleoprotein Sm D2 protein, length: 118 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 11 28 489
95 % 13 30 643
90 % 13 30 675
70 % 13 30 704
50 % 13 58 451
40 % 13 58 477
30 % 13 58 497
Entity #17 | Chains: 5
U5 snRNA rna, length: 117 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
Entity #18 | Chains: 67
U6 snRNA-associated Sm-like protein LSm7 protein, length: 103 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 6 14960
95 % 1 6 15539
90 % 1 6 14839
70 % 1 6 13977
50 % 1 6 13025
40 % 1 6 12173
30 % 1 6 11164
Entity #19 | Chains: 62
U6 snRNA-associated Sm-like protein LSm2 protein, length: 95 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 6 17802
95 % 1 6 16578
90 % 1 6 14562
70 % 1 6 15259
50 % 8 18 3408
40 % 8 18 3383
30 % 8 18 3335
Entity #2 | Chains: 6
U6 snRNA rna, length: 106 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
Entity #20 | Chains: 2B
U2 small nuclear ribonucleoprotein B'' protein, length: 225 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 14 5419
95 % 1 14 6193
90 % 1 14 6147
70 % 1 14 6116
50 % 1 14 5853
40 % 1 14 5692
30 % 1 14 5443
Entity #21 | Chains: A2
Splicing factor 3A subunit 2 protein, length: 209 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 1 82317
95 % 1 1 53560
90 % 1 1 50674
70 % 1 1 44320
50 % 1 1 38297
40 % 1 1 34573
30 % 1 1 30510
Entity #22 | Chains: B2
Splicing factor 3B subunit 2 protein, length: 895 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 8 11872
95 % 1 8 11400
90 % 1 8 11260
70 % 1 8 10819
50 % 1 8 9974
40 % 1 8 9467
30 % 1 8 8793
Entity #23 | Chains: 5C
116 kDa U5 small nuclear ribonucleoprotein component protein, length: 854 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 2 42098
95 % 1 18 4523
90 % 1 18 4589
70 % 1 18 4561
50 % 1 19 4179
40 % 1 19 4129
30 % 1 41 1854
Entity #24 | Chains: 5X
Probable ATP-dependent RNA helicase DDX23 protein, length: 820 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 4 25947
95 % 1 4 19430
90 % 1 4 19025
70 % 1 4 17627
50 % 1 4 15839
40 % 1 4 14707
30 % 1 4 13359
Entity #25 | Chains: 1b,2b,4b,5b
Small nuclear ribonucleoprotein-associated proteins B and B' protein, length: 240 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 2 17 1333
95 % 2 17 1750
90 % 2 17 1780
70 % 2 17 1825
50 % 2 17 1878
40 % 2 17 1914
30 % 2 17 1947
Entity #26 | Chains: B5
Splicing factor 3B subunit 5 protein, length: 86 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 3 12 6871
95 % 3 12 7252
90 % 3 12 7249
70 % 3 12 7101
50 % 3 12 6757
40 % 3 12 6522
30 % 3 12 6172
Entity #27 | Chains: 1A
U1 small nuclear ribonucleoprotein A protein, length: 282 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 2 2 35794
95 % 2 2 26136
90 % 2 2 25279
70 % 2 2 23020
50 % 2 2 20246
40 % 2 2 20034
30 % 2 2 16620
Entity #28 | Chains: S
U4/U6.U5 tri-snRNP-associated protein 1 protein, length: 800 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 4 24337
95 % 1 4 24404
90 % 1 4 23669
70 % 1 4 21607
50 % 1 4 19093
40 % 1 4 17552
30 % 1 4 15775
Entity #29 | Chains: 5J
Pre-mRNA-processing factor 6 protein, length: 850 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 1 83999
95 % 1 1 44844
90 % 1 6 15079
70 % 1 6 14526
50 % 1 6 13132
40 % 1 6 12032
30 % 1 6 10099
Entity #3 | Chains: 5O
U5 small nuclear ribonucleoprotein 40 kDa protein protein, length: 357 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 16 4378
95 % 1 16 5025
90 % 1 16 5016
70 % 1 16 4979
50 % 1 16 4829
40 % 1 16 4722
30 % 1 16 4588
Entity #30 | Chains: 4D
NHP2-like protein 1 protein, length: 128 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 5 10 4185
95 % 5 11 4751
90 % 5 11 4845
70 % 9 26 1877
50 % 16 34 1358
40 % 17 35 1351
30 % 16 34 1438
Entity #31 | Chains: 63
U6 snRNA-associated Sm-like protein LSm3 protein, length: 102 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 6 16386
95 % 1 6 14370
90 % 1 6 16225
70 % 1 6 15198
50 % 2 7 4035
40 % 2 7 4002
30 % 2 7 3901
Entity #32 | Chains: 2
U2 snRNA rna, length: 188 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
Entity #33 | Chains: B3
Splicing factor 3B subunit 3 protein, length: 1217 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 2 11 7348
95 % 3 12 7734
90 % 3 12 7707
70 % 3 12 7322
50 % 4 13 5693
40 % 4 13 5544
30 % 4 13 5277
Entity #34 | Chains: 1g,2g,4g,5g
Small nuclear ribonucleoprotein G protein, length: 76 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 12 29 483
95 % 12 29 655
90 % 12 29 686
70 % 12 29 711
50 % 12 57 458
40 % 12 58 480
30 % 12 58 496
Entity #35 | Chains: 68
U6 snRNA-associated Sm-like protein LSm8 protein, length: 96 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 6 16600
95 % 1 6 14696
90 % 1 6 14489
70 % 1 6 13685
50 % 1 6 12453
40 % 1 6 11675
30 % 1 6 10732
Entity #36 | Chains: 5A
Pre-mRNA-processing-splicing factor 8 protein, length: 2311 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 18 3652
95 % 1 18 4524
90 % 1 18 4590
70 % 1 19 4282
50 % 1 41 1780
40 % 1 41 1830
30 % 1 41 1855
Entity #37 | Chains: A3
Splicing factor 3A subunit 3 protein, length: 501 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 7 13223
95 % 1 7 12642
90 % 1 7 12458
70 % 1 7 11861
50 % 1 7 10811
40 % 1 7 10186
30 % 1 7 9420
Entity #38 | Chains: U
U4/U6.U5 tri-snRNP-associated protein 2 protein, length: 555 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 4 30444
95 % 1 4 25644
90 % 1 4 24826
70 % 1 4 22609
50 % 1 4 19924
40 % 1 4 18262
30 % 1 4 16379
Entity #39 | Chains: 5D
Thioredoxin-like protein 4A protein, length: 142 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 5 10 4106
95 % 5 10 5386
90 % 5 10 5439
70 % 5 10 5296
50 % 5 16 3648
40 % 5 16 3632
30 % 8 19 2867
Entity #4 | Chains: B4
Splicing factor 3B subunit 4 protein, length: 424 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 6 14925
95 % 1 6 15472
90 % 1 6 14553
70 % 1 6 14351
50 % 1 6 12495
40 % 1 6 12135
30 % 1 6 11131
Entity #40 | Chains: 64
U6 snRNA-associated Sm-like protein LSm4 protein, length: 139 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 6 17826
95 % 1 6 14699
90 % 1 6 16323
70 % 1 6 13688
50 % 1 6 13778
40 % 1 6 12851
30 % 1 6 11749
Entity #41 | Chains: BP
PHD finger-like domain-containing protein 5A protein, length: 104 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 3 11 7500
95 % 4 12 6551
90 % 4 12 6469
70 % 4 12 6378
50 % 4 12 6197
40 % 4 12 6029
30 % 4 12 5746
Entity #42 | Chains: 1C
U1 small nuclear ribonucleoprotein C protein, length: 159 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 1 79101
95 % 1 1 49717
90 % 1 1 47136
70 % 1 1 41380
50 % 1 1 35727
40 % 1 1 32328
30 % 1 1 28554
Entity #43 | Chains: K
Serine/threonine-protein kinase PRP4 homolog protein, length: 1007 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 1 79102
95 % 1 1 50589
90 % 1 1 47137
70 % 1 1 41381
50 % 1 1 35728
40 % 1 1 32329
30 % 1 1 28555
Entity #44 | Chains: 4A
U4/U6 small nuclear ribonucleoprotein Prp3 protein, length: 683 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 6 17561
95 % 1 6 16184
90 % 1 6 15892
70 % 1 6 14941
50 % 1 6 13482
40 % 1 6 12305
30 % 1 6 11500
Entity #45 | Chains: 4
U4 snRNA rna, length: 146 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
Entity #46 | Chains: 2A
U2 small nuclear ribonucleoprotein A' protein, length: 255 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 11 7463
95 % 1 14 5905
90 % 1 14 5949
70 % 1 14 5978
50 % 1 14 5740
40 % 1 14 5598
30 % 1 14 5337
Entity #47 | Chains: A1
Splicing factor 3A subunit 1,Splicing factor 3A subunit 1,Splicing factor 3A subunit 1 protein, length: 647 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 1 79103
95 % 1 1 50603
90 % 1 1 47138
70 % 1 1 41382
50 % 1 1 35729
40 % 1 1 32330
30 % 1 1 28556
Entity #48 | Chains: 65
U6 snRNA-associated Sm-like protein LSm5 protein, length: 91 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 6 16601
95 % 1 6 14697
90 % 1 6 14490
70 % 1 6 13686
50 % 1 6 12454
40 % 1 6 11676
30 % 1 6 10733
Entity #49 | Chains: 5B
U5 small nuclear ribonucleoprotein 200 kDa helicase protein, length: 2136 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 13 5685
95 % 1 13 6381
90 % 1 13 6397
70 % 1 13 6311
50 % 1 13 6033
40 % 3 25 2969
30 % 3 25 2936
Entity #5 | Chains: 13,23,43,53
Small nuclear ribonucleoprotein Sm D3 protein, length: 126 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 4 19 887
95 % 4 20 1117
90 % 4 20 1145
70 % 4 20 1180
50 % 4 20 1215
40 % 4 20 1257
30 % 4 20 1298
Entity #50 | Chains: B1
Splicing factor 3B subunit 1 protein, length: 1304 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 2 11 7347
95 % 2 11 8165
90 % 2 11 8106
70 % 2 11 7771
50 % 2 11 7419
40 % 2 11 7160
30 % 2 11 6613
Entity #6 | Chains: 4B
U4/U6 small nuclear ribonucleoprotein Prp4 protein, length: 522 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 1 4 30443
95 % 1 6 16711
90 % 1 6 16428
70 % 1 6 15371
50 % 1 6 13858
40 % 1 6 12919
30 % 1 6 11806
Entity #7 | Chains: 1e,2e,4e,5e
Small nuclear ribonucleoprotein E protein, length: 92 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 13 29 487
95 % 13 29 657
90 % 13 29 693
70 % 13 29 715
50 % 13 29 765
40 % 13 29 790
30 % 13 29 831
Entity #8 | Chains: I
AdML pre-mRNA rna, length: 62 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
Entity #9 | Chains: 1K
U1 small nuclear ribonucleoprotein 70 kDa protein, length: 437 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name
100 % 2 2 35310
95 % 2 2 27885
90 % 2 2 26900
70 % 2 2 24388
50 % 2 2 21404
40 % 2 2 19597
30 % 2 2 17560

Instructions

In the table for each entity, view a list of similar sequences by selecting the link associated with the percentage cutoff.



View more detailed documentation on the redundancy reduction and sequence clustering procedure used by RCSB PDB.

You can also use the structure comparison tool to compare any 2 given structures