ERN1 (Serine/threonine-protein kinase/endoribonuclease IRE1)

Group: OTHER
Uniprot: ERN1_HUMAN
Domain boundary: 569 - 832


Total number of chains: 43
Spatial Dihedral Chains Representative
DFGin BLAminus 23 AF-O75460-K1A
DFGin ABAminus 1 4Z7HB
DFGin BLBplus 11 3P23C
DFGin None 3 4Z7HA
DFGout None 3 4YZ9A
None None 2 6HX1A
Representatives from each cluster
Pymol session(ver 2.3) Pymol script
All chains
Pymol session(ver 2.3) Pymol script
All chains - renumbered by
Uniprot PDB Alignment
Database table as tsv

PDB Resolution Activity Label Spatial Label Dihedral Label Chelix-SaltBridge ActLoopNT-ActLoopCT Ligand Type Residues in structure Mutation Phosphorylation Unresolved residues in A-loop
4Z7HB 2.9 Inactive DFGin ABAminus in-in in-in 4L5 Type1 562 - 962 None None 7
AF-O75460-K1A -1.0 Active DFGin BLAminus in-in in-in No_ligand No_ligand 561 - 840 None None 0
5HGIA 2.584 Active DFGin BLAminus in-in in-in No_ligand No_ligand 562 - 964 None None 0
6XDFB 2.54 Inactive DFGin BLAminus in-in in-out No_ligand No_ligand 562 - 964 None None 2
6W3BA 2.57 Active DFGin BLAminus in-in in-in No_ligand No_ligand 562 - 963 None None 0
6W3CA 2.3 Active DFGin BLAminus in-in in-in No_ligand No_ligand 560 - 964 None X724,X726,X729 0
6W3CB 2.3 Active DFGin BLAminus in-in in-in No_ligand No_ligand 560 - 963 None X724,X726,X729 0
6W3CC 2.3 Active DFGin BLAminus in-in in-in No_ligand No_ligand 560 - 963 None X724,X726,X729 0
6W3CD 2.3 Active DFGin BLAminus in-in in-in No_ligand No_ligand 560 - 963 None X724,X726,X729 0
4YZCA 2.494 None DFGin BLAminus in-none in-in STU Type1 562 - 963 None X724,X726,X729 1
4YZCB 2.494 None DFGin BLAminus in-none in-in STU Type1 562 - 963 None X724,X726,X729 2
6W3KA 2.08 Active DFGin BLAminus in-in in-in SJS Type1 562 - 963 None None 4
6W3EB 2.737 Inactive DFGin BLAminus out-out in-out SJV Type1.5_Back 563 - 963 None X724,X726,X729 4
6XDFA 2.54 Inactive DFGin BLAminus out-out in-in N94 Type1.5_Back 560 - 966 None None 0
7BMKA 1.85 Inactive DFGin BLAminus out-out in-in U4N Type1.5_Back 561 - 966 None None 0
7BMKB 1.85 Inactive DFGin BLAminus out-out in-out U4N Type1.5_Back 562 - 963 None None 0
6URCA 2.2 Inactive DFGin BLAminus out-out in-in QFV Type1.5_Back 560 - 963 None None 0
6URCB 2.2 Inactive DFGin BLAminus out-out in-in QFV Type1.5_Back 560 - 963 None None 0
6XDDB 2.4 Inactive DFGin BLAminus in-out in-in N97 Type1.5_Back 560 - 963 None X724,X726,X729 0
4U6RA 2.5 Inactive DFGin BLAminus out-out in-in 3E4 Type1.5_Back 561 - 963 None None 0
6XDBA 2.45 Inactive DFGin BLAminus out-out in-in N8S Type1.5_Back 561 - 964 None None 0
6W3EA 2.737 None DFGin BLAminus out-out none-none SJV Type1.5_Front 562 - 962 None X724,X726,X729 21
6XDDA 2.4 Inactive DFGin BLAminus out-out in-out N97 Type1.5_Front 560 - 963 None X724,X726,X729 0
8UVLA 2.43 Inactive DFGin BLAminus out-out in-in XOE Type1.5_Front 562 - 964 None None 0
4YZDA 3.102 Inactive DFGin BLBplus out-out out-in ADP Type1 563 - 964 None None 12
4YZDB 3.102 Inactive DFGin BLBplus out-out out-in ADP Type1 563 - 963 None None 12
4YZDC 3.102 Inactive DFGin BLBplus out-out out-in ADP Type1 563 - 964 None None 12
6W39A 1.736 Inactive DFGin BLBplus in-in none-none SJG Type1 563 - 963 None None 19
6W39B 1.736 Inactive DFGin BLBplus in-in none-none SJG Type1 563 - 963 None None 19
3P23A 2.7 Inactive DFGin BLBplus out-out out-in ADP Type1 563 - 963 None None 12
3P23B 2.7 Inactive DFGin BLBplus out-out out-in ADP Type1 564 - 964 None None 12
3P23C 2.7 Inactive DFGin BLBplus out-out out-in ADP Type1 561 - 964 None None 11
3P23D 2.7 Inactive DFGin BLBplus out-out out-in ADP Type1 561 - 963 None None 14
6W3AA 2.606 Inactive DFGin BLBplus in-in none-out SJM Type1 562 - 964 None None 18
6W3AB 2.606 Inactive DFGin BLBplus in-out none-out SJM Type1 562 - 964 None None 17
4Z7GA 2.6 Inactive DFGin None in-in none-in No_ligand No_ligand 562 - 963 None None 19
4Z7GB 2.6 Inactive DFGin None in-in none-in No_ligand No_ligand 562 - 962 None None 18
4Z7HA 2.9 Inactive DFGin None in-in in-in 4L5 Type1 562 - 963 None None 5
4YZ9A 2.463 Inactive DFGout None out-out none-out 4K7 Type3 562 - 964 None None 17
4YZ9B 2.463 Inactive DFGout None out-out none-none 4K7 Type3 563 - 963 None None 19
4YZ9C 2.463 Inactive DFGout None out-out none-none 4K7 Type3 562 - 964 None None 18
6HX1A 2.14 Inactive None None none-none out-out GXK Type1 562 - 964 None None 2
6HV0A 2.73 Inactive None None none-none out-out GUK Type1 562 - 963 None None 0

ERN1 (Serine/threonine-protein kinase/endoribonuclease IRE1)

Group: OTHER
Total number of chains: 53
Spatial Dihedral Chains Representative
DFGin BLAminus 23 AF-O75460-K1A
DFGin ABAminus 1 4Z7HB
DFGin BLBplus 21 3P23C
DFGin None 3 4Z7HA
DFGout None 3 4YZ9A
None None 2 6HX1A
Representatives from each cluster
Pymol session(ver 2.3) Pymol script
All chains
Pymol session(ver 2.3) Pymol script
All chains - renumbered by
Uniprot PDB Alignment
Database table as tsv

Organism UniprotID PDB Resolution Activity Label Spatial Label Dihedral Label Chelix-SaltBridge ActLoopNT-ActLoopCT Ligand Type Residues in structure Mutation Phosphorylation Unresolved residues in A-loop
Homo sapiens ERN1_HUMAN 4Z7HB 2.9 Inactive DFGin ABAminus in-in in-in 4L5 Type1 562 - 962 None None 7
Homo sapiens ERN1_HUMAN AF-O75460-K1A -1.0 Active DFGin BLAminus in-in in-in No_ligand No_ligand 561 - 840 None None 0
Homo sapiens ERN1_HUMAN 5HGIA 2.584 Active DFGin BLAminus in-in in-in No_ligand No_ligand 562 - 964 None None 0
Homo sapiens ERN1_HUMAN 6XDFB 2.54 Inactive DFGin BLAminus in-in in-out No_ligand No_ligand 562 - 964 None None 2
Homo sapiens ERN1_HUMAN 6W3BA 2.57 Active DFGin BLAminus in-in in-in No_ligand No_ligand 562 - 963 None None 0
Homo sapiens ERN1_HUMAN 6W3CA 2.3 Active DFGin BLAminus in-in in-in No_ligand No_ligand 560 - 964 None X724,X726,X729 0
Homo sapiens ERN1_HUMAN 6W3CB 2.3 Active DFGin BLAminus in-in in-in No_ligand No_ligand 560 - 963 None X724,X726,X729 0
Homo sapiens ERN1_HUMAN 6W3CC 2.3 Active DFGin BLAminus in-in in-in No_ligand No_ligand 560 - 963 None X724,X726,X729 0
Homo sapiens ERN1_HUMAN 6W3CD 2.3 Active DFGin BLAminus in-in in-in No_ligand No_ligand 560 - 963 None X724,X726,X729 0
Homo sapiens ERN1_HUMAN 4YZCA 2.494 None DFGin BLAminus in-none in-in STU Type1 562 - 963 None X724,X726,X729 1
Homo sapiens ERN1_HUMAN 4YZCB 2.494 None DFGin BLAminus in-none in-in STU Type1 562 - 963 None X724,X726,X729 2
Homo sapiens ERN1_HUMAN 6W3KA 2.08 Active DFGin BLAminus in-in in-in SJS Type1 562 - 963 None None 4
Homo sapiens ERN1_HUMAN 6W3EB 2.737 Inactive DFGin BLAminus out-out in-out SJV Type1.5_Back 563 - 963 None X724,X726,X729 4
Homo sapiens ERN1_HUMAN 6XDFA 2.54 Inactive DFGin BLAminus out-out in-in N94 Type1.5_Back 560 - 966 None None 0
Homo sapiens ERN1_HUMAN 7BMKA 1.85 Inactive DFGin BLAminus out-out in-in U4N Type1.5_Back 561 - 966 None None 0
Homo sapiens ERN1_HUMAN 7BMKB 1.85 Inactive DFGin BLAminus out-out in-out U4N Type1.5_Back 562 - 963 None None 0
Homo sapiens ERN1_HUMAN 6URCA 2.2 Inactive DFGin BLAminus out-out in-in QFV Type1.5_Back 560 - 963 None None 0
Homo sapiens ERN1_HUMAN 6URCB 2.2 Inactive DFGin BLAminus out-out in-in QFV Type1.5_Back 560 - 963 None None 0
Homo sapiens ERN1_HUMAN 6XDDB 2.4 Inactive DFGin BLAminus in-out in-in N97 Type1.5_Back 560 - 963 None X724,X726,X729 0
Homo sapiens ERN1_HUMAN 4U6RA 2.5 Inactive DFGin BLAminus out-out in-in 3E4 Type1.5_Back 561 - 963 None None 0
Homo sapiens ERN1_HUMAN 6XDBA 2.45 Inactive DFGin BLAminus out-out in-in N8S Type1.5_Back 561 - 964 None None 0
Homo sapiens ERN1_HUMAN 6W3EA 2.737 None DFGin BLAminus out-out none-none SJV Type1.5_Front 562 - 962 None X724,X726,X729 21
Homo sapiens ERN1_HUMAN 6XDDA 2.4 Inactive DFGin BLAminus out-out in-out N97 Type1.5_Front 560 - 963 None X724,X726,X729 0
Homo sapiens ERN1_HUMAN 8UVLA 2.43 Inactive DFGin BLAminus out-out in-in XOE Type1.5_Front 562 - 964 None None 0
Homo sapiens ERN1_HUMAN 4YZDA 3.102 Inactive DFGin BLBplus out-out out-in ADP Type1 563 - 964 None None 12
Homo sapiens ERN1_HUMAN 4YZDB 3.102 Inactive DFGin BLBplus out-out out-in ADP Type1 563 - 963 None None 12
Homo sapiens ERN1_HUMAN 4YZDC 3.102 Inactive DFGin BLBplus out-out out-in ADP Type1 563 - 964 None None 12
Homo sapiens ERN1_HUMAN 6W39A 1.736 Inactive DFGin BLBplus in-in none-none SJG Type1 563 - 963 None None 19
Homo sapiens ERN1_HUMAN 6W39B 1.736 Inactive DFGin BLBplus in-in none-none SJG Type1 563 - 963 None None 19
Homo sapiens ERN1_HUMAN 3P23A 2.7 Inactive DFGin BLBplus out-out out-in ADP Type1 563 - 963 None None 12
Homo sapiens ERN1_HUMAN 3P23B 2.7 Inactive DFGin BLBplus out-out out-in ADP Type1 564 - 964 None None 12
Homo sapiens ERN1_HUMAN 3P23C 2.7 Inactive DFGin BLBplus out-out out-in ADP Type1 561 - 964 None None 11
Homo sapiens ERN1_HUMAN 3P23D 2.7 Inactive DFGin BLBplus out-out out-in ADP Type1 561 - 963 None None 14
Homo sapiens ERN1_HUMAN 6W3AA 2.606 Inactive DFGin BLBplus in-in none-out SJM Type1 562 - 964 None None 18
Homo sapiens ERN1_HUMAN 6W3AB 2.606 Inactive DFGin BLBplus in-out none-out SJM Type1 562 - 964 None None 17
Homo sapiens ERN1_HUMAN 4Z7GA 2.6 Inactive DFGin None in-in none-in No_ligand No_ligand 562 - 963 None None 19
Homo sapiens ERN1_HUMAN 4Z7GB 2.6 Inactive DFGin None in-in none-in No_ligand No_ligand 562 - 962 None None 18
Homo sapiens ERN1_HUMAN 4Z7HA 2.9 Inactive DFGin None in-in in-in 4L5 Type1 562 - 963 None None 5
Homo sapiens ERN1_HUMAN 4YZ9A 2.463 Inactive DFGout None out-out none-out 4K7 Type3 562 - 964 None None 17
Homo sapiens ERN1_HUMAN 4YZ9B 2.463 Inactive DFGout None out-out none-none 4K7 Type3 563 - 963 None None 19
Homo sapiens ERN1_HUMAN 4YZ9C 2.463 Inactive DFGout None out-out none-none 4K7 Type3 562 - 964 None None 18
Homo sapiens ERN1_HUMAN 6HX1A 2.14 Inactive None None none-none out-out GXK Type1 562 - 964 None None 2
Homo sapiens ERN1_HUMAN 6HV0A 2.73 Inactive None None none-none out-out GUK Type1 562 - 963 None None 0
Mus musculus ERN1_MOUSE 4PL3A 2.9 Inactive DFGin BLBplus out-out out-in 31J ADP Allosteric Type1 560 - 964 N772Y None 12
Mus musculus ERN1_MOUSE 4PL3B 2.9 Inactive DFGin BLBplus out-out out-in 31J ADP Allosteric Type1 562 - 963 N772Y None 13
Mus musculus ERN1_MOUSE 4PL4A 3.0 Inactive DFGin BLBplus out-out out-in 31K ADP Allosteric Type1 562 - 963 N772Y None 11
Mus musculus ERN1_MOUSE 4PL5A 3.4 Inactive DFGin BLBplus out-out out-in 31L ADP PEU Allosteric Type1 Allosteric 562 - 964 N772Y None 12
Mus musculus ERN1_MOUSE 4PL4B 3.0 Inactive DFGin BLBplus out-out out-in ADP Type1 562 - 963 N772Y None 12
Mus musculus ERN1_MOUSE 4PL4C 3.0 Inactive DFGin BLBplus out-out out-in ADP Type1 562 - 963 N772Y None 12
Mus musculus ERN1_MOUSE 4PL4D 3.0 Inactive DFGin BLBplus out-out out-in ADP Type1 562 - 961 N772Y None 12
Mus musculus ERN1_MOUSE 4PL5B 3.4 Inactive DFGin BLBplus out-out out-in ADP Type1 562 - 963 N772Y None 13
Mus musculus ERN1_MOUSE 4PL5C 3.4 Inactive DFGin BLBplus out-out out-in ADP Type1 562 - 963 N772Y None 11
Mus musculus ERN1_MOUSE 4PL5D 3.4 Inactive DFGin BLBplus out-out out-in ADP Type1 561 - 963 N772Y None 12

ERN1 (Serine/threonine-protein kinase/endoribonuclease IRE1)

Group: OTHER
Total number of chains: 10
Spatial Dihedral Chains Representative
DFGin BLBplus 10 4PL5C
Representatives from each cluster
Pymol session(ver 2.3) Pymol script
All chains
Pymol session(ver 2.3) Pymol script
All chains - renumbered by
Uniprot PDB Alignment
Database table as tsv

Organism UniprotID PDB Resolution Activity Label Spatial Label Dihedral Label Chelix-SaltBridge ActLoopNT-ActLoopCT Ligand Type Residues in structure Mutation Phosphorylation Unresolved residues in A-loop
Mus musculus ERN1_MOUSE 4PL3A 2.9 Inactive DFGin BLBplus out-out out-in 31J ADP Allosteric Type1 560 - 964 N772Y None 12
Mus musculus ERN1_MOUSE 4PL3B 2.9 Inactive DFGin BLBplus out-out out-in 31J ADP Allosteric Type1 562 - 963 N772Y None 13
Mus musculus ERN1_MOUSE 4PL4A 3.0 Inactive DFGin BLBplus out-out out-in 31K ADP Allosteric Type1 562 - 963 N772Y None 11
Mus musculus ERN1_MOUSE 4PL5A 3.4 Inactive DFGin BLBplus out-out out-in 31L ADP PEU Allosteric Type1 Allosteric 562 - 964 N772Y None 12
Mus musculus ERN1_MOUSE 4PL4B 3.0 Inactive DFGin BLBplus out-out out-in ADP Type1 562 - 963 N772Y None 12
Mus musculus ERN1_MOUSE 4PL4C 3.0 Inactive DFGin BLBplus out-out out-in ADP Type1 562 - 963 N772Y None 12
Mus musculus ERN1_MOUSE 4PL4D 3.0 Inactive DFGin BLBplus out-out out-in ADP Type1 562 - 961 N772Y None 12
Mus musculus ERN1_MOUSE 4PL5B 3.4 Inactive DFGin BLBplus out-out out-in ADP Type1 562 - 963 N772Y None 13
Mus musculus ERN1_MOUSE 4PL5C 3.4 Inactive DFGin BLBplus out-out out-in ADP Type1 562 - 963 N772Y None 11
Mus musculus ERN1_MOUSE 4PL5D 3.4 Inactive DFGin BLBplus out-out out-in ADP Type1 561 - 963 N772Y None 12