6W3K Chain A
Serine/threonine-protein kinase/endoribonuclease IRE1 (ERN1)
Active — 99.4%DFG-inαC-inType1 · SJS
Resolution
2.08 Å
R-value
0.192
Predicted activity confidence99.4%
Structure info
Alternate conformation—
Missing atoms0
Missing residues0
Salt bridge (KinCore)Saltbr-in
Sequence info
PDB sequence
SVVIVGKISFCPKDVLGHGAEGTIVYRGMFDNRDVAVKRILPECFSFADREVQLLRESDEHPNVIRYFCTEKDRQFQYIAIELCAATLQEYVEQKDFAHLGLEPITLLQQTTSGLAHLHSLNIVHRDLKPHNILISMPNAHGKIKAMISDFGLCKKLAVGRHSFSRPGTEGWIAPEMLSEDCKENPTYTVDIFSAGCVFYYVISEGSHPFGKSLQRQANILLGACSLDCLHPEKHEDVIARELIEKMIAMDPQKRPSAKHVLKHPFFWSLEKQLQFFQDVSDRIEKESLDGPIVKQLERGGRAVVKMDWRENITVPLQTDLRKFRTYKGGSVRDLLRAMRNKKHHYRELPAEVRETLGSLPDDFVCYFTSRFPHLLAHTYRAMELCSHERLFQPYYFH
UniProt reference sequence
ISFCPKDVLGHGAEGTIVYRGMFDNRDVAVKRILPECFSFADREVQLLRESDEHPNVIRYFCTEKDRQFQYIAIELCAATLQEYVEQKDFAHLGLEPITLLQQTTSGLAHLHSLNIVHRDLKPHNILISMPNAHGKIKAMISDFGLCKKLAVGRHSFSRRSGVPGTEGWIAPEMLSEDCKENPTYTVDIFSAGCVFYYVISEGSHPFGKSLQRQANILLGACSLDCLHPEKHEDVIARELIEKMIAMDPQKRPSAKHVLKHPFF
Aligned reference sequence
ISFC--PK------------DVLGHGA--E-------------GTIVYRGMF----------------------------------------DNRDVAVKRIL--PEC-------------------------------FSFADREVQLLRES--D-----------------------EHPNVIRYFCTEKDRQ--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------FQYIAIELCA---------------ATLQEYVEQ--KDF------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------AHLGLEPITLLQQTTSGLAHLHSL---------------------------------------------NIVHRDL-----KPHNILISM--PNAHG-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------KIKAMISDFGLCKKLAVGRHS--FSRR------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SGVPGTEGWIAPEMLSE--DCK---------------------------ENPT-YTVDIFSAGCVFYYVISE--G--------------SHPFGK----------------------------------------------------SLQRQANILLG--ACSLDCLHPEKHED-------------------------------------------------------------------------------------------------VIARELIEKMIAMDPQKRPS--------------AKHVLKHPFF
Shaded segments mark residues present in the UniProt reference but not resolved in this structure.
Projected alignment
ISFC--PK------------DVLGHGA--E-------------GTIVYRGMF----------------------------------------DNRDVAVKRIL--PEC-------------------------------FSFADREVQLLRES--D-----------------------EHPNVIRYFCTEKDRQ--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------FQYIAIELCA---------------ATLQEYVEQ--KDF------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------AHLGLEPITLLQQTTSGLAHLHSL---------------------------------------------NIVHRDL-----KPHNILISM--PNAHG-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------KIKAMISDFGLCKKLAVGRHS--FSR----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------PGTEGWIAPEMLSE--DCK---------------------------ENPT-YTVDIFSAGCVFYYVISE--G--------------SHPFGK----------------------------------------------------SLQRQANILLG--ACSLDCLHPEKHED-------------------------------------------------------------------------------------------------VIARELIEKMIAMDPQKRPS--------------AKHVLKHPFF
Activation segment
DFGLCKKLAVGRHS--FSR----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------PGTEGWIAPE
Binding pocket
DVLGHGAEGTIVYVAVKRIFADREVQLLRESDPNVIRYFCTYIAIELCAA_TLQEYVEQHLHSLNIVHRDLKPHNILIISDFGLC
Ligand info
Orthosteric ligand
SJS
Allosteric ligand
None
Ligand typeType1
Consensus conformation
DFG conformationin
αC-helix conformationin
Predicted activityactive
KinaDB — structure detail · data from Browse_each_pdb_structure.csv · PDB 6W3K, Chain A