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6D3K

Crystal structure of unphosphorylated human PKR kinase domain in complex with ADP

Functional Information from GO Data
ChainGOidnamespacecontents
A0004672molecular_functionprotein kinase activity
A0005524molecular_functionATP binding
A0006468biological_processprotein phosphorylation
B0004672molecular_functionprotein kinase activity
B0005524molecular_functionATP binding
B0006468biological_processprotein phosphorylation
C0004672molecular_functionprotein kinase activity
C0005524molecular_functionATP binding
C0006468biological_processprotein phosphorylation
Functional Information from PDB Data
site_idAC1
Number of Residues13
Detailsbinding site for residue ADP B 601
ChainResidue
BGLY279
BPHE421
BASP432
BPO4602
BMG603
BVAL281
BLYS296
BMET366
BGLU367
BCYS369
BTHR373
BSER418
BASN419

site_idAC2
Number of Residues4
Detailsbinding site for residue PO4 B 602
ChainResidue
BLYS416
BSER418
BADP601
BMG603

site_idAC3
Number of Residues4
Detailsbinding site for residue MG B 603
ChainResidue
BASN419
BASP432
BADP601
BPO4602

site_idAC4
Number of Residues3
Detailsbinding site for residue SO4 B 604
ChainResidue
ALYS467
AASN528
BLYS371

site_idAC5
Number of Residues13
Detailsbinding site for residue ADP A 601
ChainResidue
ASER275
AGLY279
AVAL281
AVAL294
ALYS296
AGLU367
ACYS369
ATHR373
ASER418
AASN419
APHE421
AASP432
AMG603

site_idAC6
Number of Residues3
Detailsbinding site for residue PO4 A 602
ChainResidue
ALYS416
ASER418
AMG603

site_idAC7
Number of Residues4
Detailsbinding site for residue MG A 603
ChainResidue
AASN419
AASP432
AADP601
APO4602

site_idAC8
Number of Residues3
Detailsbinding site for residue SO4 A 604
ChainResidue
AARG534
ALYS541
BVAL389

site_idAC9
Number of Residues4
Detailsbinding site for residue SO4 A 605
ChainResidue
ALYS510
APRO543
AGLU544
BLYS385

site_idAD1
Number of Residues2
Detailsbinding site for residue SO4 A 606
ChainResidue
ALYS291
ATHR292

site_idAD2
Number of Residues15
Detailsbinding site for residue ADP C 601
ChainResidue
CGLY276
CGLY277
CPHE278
CGLY279
CVAL281
CLYS296
CMET366
CGLU367
CCYS369
CTHR373
CSER418
CASN419
CPHE421
CASP432
CMG603

site_idAD3
Number of Residues4
Detailsbinding site for residue PO4 C 602
ChainResidue
CLYS416
CSER418
CGLY450
CTHR451

site_idAD4
Number of Residues3
Detailsbinding site for residue MG C 603
ChainResidue
CASN419
CASP432
CADP601

site_idAD5
Number of Residues3
Detailsbinding site for residue SO4 C 604
ChainResidue
AVAL389
CARG534
CLYS541

site_idAD6
Number of Residues3
Detailsbinding site for residue SO4 C 605
ChainResidue
ALYS371
CLYS467
CASN528

site_idAD7
Number of Residues2
Detailsbinding site for residue SO4 C 606
ChainResidue
CLYS291
CTHR292

site_idAD8
Number of Residues5
Detailsbinding site for residue PO4 C 607
ChainResidue
CARG413
CTHR446
CMET455
CGLN459
CTYR465

Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues24
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. IGSGGFGQVFkAkhridgkt..........YVIK
ChainResidueDetails
BILE273-LYS296

site_idPS00108
Number of Residues13
DetailsPROTEIN_KINASE_ST Serine/Threonine protein kinases active-site signature. LiHrDLKpsNIFL
ChainResidueDetails
BLEU410-LEU422

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues3
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"},{"source":"PROSITE-ProRule","id":"PRU10027","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues24
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"16179258","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"31246429","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsModified residue: {"description":"Phosphothreonine; by autocatalysis","evidences":[{"source":"PubMed","id":"11152499","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues3
DetailsModified residue: {"description":"Phosphotyrosine; by autocatalysis","evidences":[{"source":"PubMed","id":"16373505","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues3
DetailsModified residue: {"description":"Phosphothreonine; by autocatalysis","evidences":[{"source":"PubMed","id":"11337501","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"20685959","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues3
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"18669648","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues1
DetailsModified residue: {"description":"Phosphothreonine; by autocatalysis","evidences":[{"source":"PubMed","id":"11337501","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16179258","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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