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4PL3

Crystal structure of murine IRE1 in complex with MKC9989 inhibitor

Functional Information from GO Data
ChainGOidnamespacecontents
A0004521molecular_functionRNA endonuclease activity
A0004540molecular_functionRNA nuclease activity
A0004672molecular_functionprotein kinase activity
A0004674molecular_functionprotein serine/threonine kinase activity
A0005524molecular_functionATP binding
A0006397biological_processmRNA processing
A0006468biological_processprotein phosphorylation
A0030968biological_processendoplasmic reticulum unfolded protein response
B0004521molecular_functionRNA endonuclease activity
B0004540molecular_functionRNA nuclease activity
B0004672molecular_functionprotein kinase activity
B0004674molecular_functionprotein serine/threonine kinase activity
B0005524molecular_functionATP binding
B0006397biological_processmRNA processing
B0006468biological_processprotein phosphorylation
B0030968biological_processendoplasmic reticulum unfolded protein response
Functional Information from PDB Data
site_idAC1
Number of Residues7
Detailsbinding site for residue 31J A 1001
ChainResidue
APHE889
ATYR892
AASN906
ALYS907
AHIS910
BARG864
BGLN946

site_idAC2
Number of Residues12
Detailsbinding site for residue ADP A 1002
ChainResidue
AGLY580
AVAL586
ALYS599
AILE642
AGLU643
ACYS645
AHIS692
AASN693
AASP711
AMG1003
ALEU577
AHIS579

site_idAC3
Number of Residues4
Detailsbinding site for residue MG A 1003
ChainResidue
AHIS692
AASN693
AASP711
AADP1002

site_idAC4
Number of Residues13
Detailsbinding site for residue ADP B 1002
ChainResidue
BLEU577
BHIS579
BGLY580
BVAL586
BLYS599
BGLU643
BCYS645
BLYS690
BHIS692
BASN693
BLEU695
BASP711
BMG1003

site_idAC5
Number of Residues4
Detailsbinding site for residue MG B 1003
ChainResidue
BHIS692
BASN693
BASP711
BADP1002

site_idAC6
Number of Residues15
Detailsbinding site for Di-peptide 31J B 1001 and LYS B 907
ChainResidue
AARG864
BLEU882
BASP885
BLEU886
BPHE889
BTYR892
BALA903
BMET904
BASN906
BLYS908
BHIS909
BHIS910
BTYR911
BGLU913
BLEU914

Functional Information from PROSITE/UniProt
site_idPS00108
Number of Residues13
DetailsPROTEIN_KINASE_ST Serine/Threonine protein kinases active-site signature. IvHrDLKphNILL
ChainResidueDetails
AILE684-LEU696

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues256
DetailsDomain: {"description":"KEN","evidences":[{"source":"PROSITE-ProRule","id":"PRU00725","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsRegion: {"description":"Interacts with hydroxy-aryl-aldehyde inhibitors","evidences":[{"source":"PubMed","id":"25164867","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsActive site: {"description":"Proton acceptor; for protein kinase activity","evidences":[{"source":"UniProtKB","id":"P32361","evidenceCode":"ECO:0000250"},{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"},{"source":"PROSITE-ProRule","id":"PRU10027","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues16
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"25164867","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4PL5","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"25164867","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4PL3","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4PL4","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4PL5","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues12
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"25164867","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4PL3","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4PL4","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4PL5","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsSite: {"description":"Interacts with hydroxy-aryl-aldehyde inhibitors","evidences":[{"source":"PubMed","id":"25164867","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

243083

PDB entries from 2025-10-15

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