Sequence Similarity Clusters for the Entities in PDB 1G21

Entity #1 | Chains: A,C
NITROGENASE MOLYBDENUM-IRON PROTEIN ALPHA CHAIN protein, length: 492 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name Structural variation in cluster
100 % 15 16 857
95 % 25 26 766 Flexibility: No
Max RMSD: 2.6, Avg RMSD: 0.4
PDBFlex
90 % 25 26 800
70 % 31 32 683
50 % 31 32 730
40 % 31 32 761
30 % 33 34 682
Entity #2 | Chains: B,D
NITROGENASE MOLYBDENUM-IRON PROTEIN BETA CHAIN protein, length: 523 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name Structural variation in cluster
100 % 23 24 697
95 % 25 26 765 Flexibility: No
Max RMSD: 0.5, Avg RMSD: 0.3
PDBFlex
90 % 25 26 799
70 % 25 26 839
50 % 31 32 729
40 % 31 32 760
30 % 31 32 761
Entity #3 | Chains: E,F,G,H
NITROGENASE IRON PROTEIN protein, length: 289 (BLAST)
Sequence Similarity Cutoff Rank Chains in Cluster Cluster ID / Name Structural variation in cluster
100 % 4 4 6429
95 % 19 21 665 Flexibility: Low
Max RMSD: 1.9, Avg RMSD: 1.2
PDBFlex
90 % 19 21 694
70 % 19 21 731
50 % 20 22 760
40 % 20 22 801
30 % 20 22 793

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