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1CDK

CAMP-DEPENDENT PROTEIN KINASE CATALYTIC SUBUNIT (E.C.2.7.1.37) (PROTEIN KINASE A) COMPLEXED WITH PROTEIN KINASE INHIBITOR PEPTIDE FRAGMENT 5-24 (PKI(5-24) ISOELECTRIC VARIANT CA) AND MN2+ ADENYLYL IMIDODIPHOSPHATE (MNAMP-PNP) AT PH 5.6 AND 7C AND 4C

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0001669cellular_componentacrosomal vesicle
A0004672molecular_functionprotein kinase activity
A0004674molecular_functionprotein serine/threonine kinase activity
A0004691molecular_functioncAMP-dependent protein kinase activity
A0005524molecular_functionATP binding
A0005634cellular_componentnucleus
A0005737cellular_componentcytoplasm
A0005739cellular_componentmitochondrion
A0005829cellular_componentcytosol
A0005886cellular_componentplasma membrane
A0005952cellular_componentcAMP-dependent protein kinase complex
A0006338biological_processchromatin remodeling
A0006468biological_processprotein phosphorylation
A0007189biological_processadenylate cyclase-activating G protein-coupled receptor signaling pathway
A0016020cellular_componentmembrane
A0016301molecular_functionkinase activity
A0016740molecular_functiontransferase activity
A0034237molecular_functionprotein kinase A regulatory subunit binding
A0034605biological_processcellular response to heat
A0036126cellular_componentsperm flagellum
A0042585cellular_componentgerminal vesicle
A0048471cellular_componentperinuclear region of cytoplasm
A0106310molecular_functionprotein serine kinase activity
A0140198molecular_functionhistone H1-4S35 kinase activity
A1904145biological_processnegative regulation of meiotic cell cycle process involved in oocyte maturation
A1904262biological_processnegative regulation of TORC1 signaling
B0000166molecular_functionnucleotide binding
B0001669cellular_componentacrosomal vesicle
B0004672molecular_functionprotein kinase activity
B0004674molecular_functionprotein serine/threonine kinase activity
B0004691molecular_functioncAMP-dependent protein kinase activity
B0005524molecular_functionATP binding
B0005634cellular_componentnucleus
B0005737cellular_componentcytoplasm
B0005739cellular_componentmitochondrion
B0005829cellular_componentcytosol
B0005886cellular_componentplasma membrane
B0005952cellular_componentcAMP-dependent protein kinase complex
B0006338biological_processchromatin remodeling
B0006468biological_processprotein phosphorylation
B0007189biological_processadenylate cyclase-activating G protein-coupled receptor signaling pathway
B0016020cellular_componentmembrane
B0016301molecular_functionkinase activity
B0016740molecular_functiontransferase activity
B0034237molecular_functionprotein kinase A regulatory subunit binding
B0034605biological_processcellular response to heat
B0036126cellular_componentsperm flagellum
B0042585cellular_componentgerminal vesicle
B0048471cellular_componentperinuclear region of cytoplasm
B0106310molecular_functionprotein serine kinase activity
B0140198molecular_functionhistone H1-4S35 kinase activity
B1904145biological_processnegative regulation of meiotic cell cycle process involved in oocyte maturation
B1904262biological_processnegative regulation of TORC1 signaling
I0004862molecular_functioncAMP-dependent protein kinase inhibitor activity
I0006469biological_processnegative regulation of protein kinase activity
J0004862molecular_functioncAMP-dependent protein kinase inhibitor activity
J0006469biological_processnegative regulation of protein kinase activity
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MN A 401
ChainResidue
AASN171
AASP184
AANP400
AHOH451

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MN A 402
ChainResidue
AASP184
AANP400
AHOH436
AHOH514

site_idAC3
Number of Residues25
DetailsBINDING SITE FOR RESIDUE ANP A 400
ChainResidue
ASER53
APHE54
AGLY55
AVAL57
AALA70
ALYS72
AVAL104
AMET120
AGLU121
AVAL123
AGLU127
AASP166
ALYS168
AGLU170
AASN171
ALEU173
ATHR183
AASP184
AMN401
AMN402
AHOH436
AHOH451
IARG14
IALA17
AGLY52

site_idAC4
Number of Residues1
DetailsBINDING SITE FOR RESIDUE MYR A 403
ChainResidue
APHE18

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MN B 401
ChainResidue
BASN171
BASP184
BANP400
BHOH449

site_idAC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MN B 402
ChainResidue
BASP184
BANP400
BHOH435
BHOH506

site_idAC7
Number of Residues26
DetailsBINDING SITE FOR RESIDUE ANP B 400
ChainResidue
BTHR51
BGLY52
BSER53
BPHE54
BGLY55
BVAL57
BALA70
BLYS72
BVAL104
BMET120
BGLU121
BVAL123
BGLU127
BASP166
BLYS168
BGLU170
BASN171
BLEU173
BTHR183
BASP184
BPHE327
BMN401
BMN402
BHOH449
JARG14
JALA17

site_idAC8
Number of Residues2
DetailsBINDING SITE FOR RESIDUE MYR B 403
ChainResidue
BLEU152
BGLU155

site_idAC9
Number of Residues54
DetailsBINDING SITE FOR CHAIN I OF PROTEIN KINASE INHIBITOR
ChainResidue
ATYR330
AGLU349
AANP400
AHOH411
AHOH440
AHOH453
AHOH500
AHOH507
AHOH526
AHOH532
IHOH49
IHOH54
IHOH63
IHOH73
IHOH75
IHOH76
IHOH77
IHOH79
IHOH88
IHOH110
IHOH111
IHOH129
IHOH146
IHOH147
IHOH148
ATHR51
AGLY52
ASER53
APHE54
ALEU82
AGLU86
ALEU89
AARG93
AGLU127
APHE129
AARG133
ALYS168
APRO169
AGLU170
APHE187
ALYS189
AARG190
AVAL191
ALYS192
ALEU198
AGLY200
ATHR201
APRO202
AGLU203
AGLU230
ATYR235
APHE239
AALA240
AASP241

site_idBC1
Number of Residues52
DetailsBINDING SITE FOR CHAIN J OF PROTEIN KINASE INHIBITOR
ChainResidue
BTHR51
BGLY52
BSER53
BPHE54
BGLU86
BLEU89
BARG93
BGLU127
BPHE129
BARG133
BLYS168
BPRO169
BGLU170
BARG190
BVAL191
BLYS192
BGLY200
BTHR201
BPRO202
BGLU203
BGLU230
BGLY234
BTYR235
BPRO236
BPHE239
BALA240
BASP241
BILE246
BTYR330
BGLU349
BANP400
BHOH412
BHOH451
BHOH456
BHOH500
BHOH527
JHOH196
JHOH210
JHOH211
JHOH218
JHOH221
JHOH222
JHOH223
JHOH224
JHOH225
JHOH254
JHOH256
JHOH257
JHOH258
JHOH288
JHOH296
JHOH312

Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues24
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. LGTGSFGRVMlVkhketgnh..........FAMK
ChainResidueDetails
ALEU49-LYS72

site_idPS00108
Number of Residues13
DetailsPROTEIN_KINASE_ST Serine/Threonine protein kinases active-site signature. LiYrDLKpeNLLI
ChainResidueDetails
ALEU162-ILE174

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
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 Residues18
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues18
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine; by autocatalysis","evidences":[{"source":"UniProtKB","id":"P05132","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"UniProtKB","id":"P17612","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P05132","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine; by PDPK1","evidences":[{"source":"UniProtKB","id":"P00517","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues2
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"UniProtKB","id":"P05132","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P00517","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues6
DetailsSite: {"description":"Important for inhibition"}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AGLU170
AASP166

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
BGLU170
BASP166

site_idCSA3
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AASP166
ALYS168

site_idCSA4
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
BASP166
BLYS168

site_idCSA5
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
ATHR201
AASP166
ALYS168

site_idCSA6
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
BTHR201
BASP166
BLYS168

site_idCSA7
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AASP166
AASN171
ALYS168

site_idCSA8
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
BASP166
BASN171
BLYS168

site_idMCSA1
Number of Residues5
DetailsM-CSA 757
ChainResidueDetails
AASP166activator, proton acceptor, proton donor
ALYS168electrostatic stabiliser, polar interaction
AASN171metal ligand
AASP184metal ligand
ALEU205electrostatic stabiliser, polar interaction

site_idMCSA2
Number of Residues5
DetailsM-CSA 757
ChainResidueDetails

246031

PDB entries from 2025-12-10

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