Enter a coordinate file (in PDB format) of the core domain of a protein kinase:


      Example: my1stc.pdb

OR

Enter the 4 letters PDB code of a protein:     

See an example on Cdk4 kinase protein

List of protein families :                     

1-deoxy-D-xylulose 5-phosphate reductoisomerase 2Fe-2S iron-sulfur cluster binding domain 2OG-Fe(II) oxygenase superfamily 3'5'-cyclic nucleotide phosphodiesterase 3-beta hydroxysteroid dehydrogenase/isomerase family 3-dehydroquinate synthase 3-hydroxyacyl-CoA dehydrogenase, C-terminal domain 3-hydroxyacyl-CoA dehydrogenase, NAD binding domain 4Fe-4S iron sulfur cluster binding proteins, NifH/frxC family 7 transmembrane receptor (rhodopsin family) 7,8-dihydro-6-hydroxymethylpterin-pyrophosphokinase (HPPK) ABC transporter ADP-ribosyl cyclase ADP-ribosylation factor family AICARFT/IMPCHase bienzyme AMP-binding enzyme ATP ATP synthase alpha/beta chain, C terminal domain ATP synthase alpha/beta family, nucleotide-binding domain ATP-grasp domain ATP-sulfurylase ATPase family associated with various cellular activities (AAA) ATPase family associated with various cellular activities (AAA) ATPase family associated with various cellular activities (AAA) Acetyltransferase (GNAT) family Aconitase C-terminal domain Aconitase family (aconitate hydratase) Actin Acyl-CoA dehydrogenase, C-terminal domain Acyl-CoA dehydrogenase, N-terminal domain Acyl-CoA dehydrogenase, middle domain Adenosine/AMP deaminase Adenosylmethionine decarboxylase Adenylate and Guanylate cyclase catalytic domain Adenylate kinase Adenylate kinase, active site lid Adenylosuccinate synthetase Alanine racemase, C-terminal domain Alanine racemase, N-terminal domain Aldehyde dehydrogenase family Aldehyde oxidase and xanthine dehydrogenase, molybdopterin binding domain Aldo/keto reductase family Aldose 1-epimerase Alpha amylase, C-terminal all-beta domain Alpha amylase, catalytic domain Amidohydrolase family Amino acid kinase family Aminotransferase class I and II Aminotransferase class IV Aminotransferase class-III Aminotransferase class-V Angiotensin-converting enzyme Animal haem peroxidase Apocytochrome F, C-terminal Apyrase Arginase family Arginosuccinate synthase Asparaginase Asparagine synthase Aspartate carbamoyltransferase regulatory chain, allosteric domain Aspartate/ornithine carbamoyltransferase, Asp/Orn binding domain Aspartate/ornithine carbamoyltransferase, carbamoyl-P binding domain Assemblin (Peptidase family S21) Auxin binding protein Avidin family B12 binding domain Bacterial extracellular solute-binding protein Bacterial-like globin Bacteriochlorophyll A protein Bacteriorhodopsin Beta galactosidase small chain, C terminal domain Beta galactosidase small chain, N terminal domain Beta-ketoacyl synthase, N-terminal domain Beta-lactamase Biopterin-dependent aromatic amino acid hydroxylase C-5 cytosine-specific DNA methylase C-type lysozyme/alpha-lactalbumin family CO dehydrogenase/acetyl-CoA synthase complex beta subunit CRAL/TRIO domain Cadherin cytoplasmic region Cadherin domain Calcineurin-like phosphoesterase Carbamoyl-phosphate synthase L chain, ATP binding domain Carbohydrate binding domain Carbohydrate binding domain (family 15) Carbohydrate binding module (family 6) Carbohydrate phosphorylase Carboxyl transferase domain Carboxylesterase Caspase domain Catalase Catechol dioxygenase N terminus Cation-independent mannose-6-phosphate receptor repeat Cellulase (glycosyl hydrolase family 5) Chalcone and stilbene synthases, C-terminal domain Chalcone and stilbene synthases, N-terminal domain Chlorophyll A-B binding protein Chorismate mutase type I Citrate synthase Class I Histocompatibility antigen, domains alpha 1 and 2 Class II histocompatibility antigen, alpha domain Class II histocompatibility antigen, beta domain Class III cytochrome C family CoA-ligase CoA-transferase family III CobQ/CobB/MinD/ParA nucleotide binding domain Conserved region in glutamate synthase Copper amine oxidase, enzyme domain Copper binding proteins, plastocyanin/azurin family Copper type II ascorbate-dependent monooxygenase, C-terminal domain Copper type II ascorbate-dependent monooxygenase, N-terminal domain Cutinase Cyclic nucleotide-binding domain Cyclin, N-terminal domain Cyclophilin type peptidyl-prolyl cis-trans isomerase Cys/Met metabolism PLP-dependent enzyme Cystine-knot domain Cytidine and deoxycytidylate deaminase zinc-binding region Cytidylyltransferase Cytochrome C and Quinol oxidase polypeptide I Cytochrome C' Cytochrome C1 family Cytochrome D1 heme domain Cytochrome P450 Cytochrome b(C-terminal)/b6/petD Cytochrome b(N-terminal)/b6/petB Cytochrome b5-like Heme/Steroid binding domain Cytochrome c Cytochrome c oxidase subunit III Cytochrome c oxidase subunit VIa Cytochrome c552 D-ala D-ala ligase C-terminus D-ala D-ala ligase N-terminus D-isomer specific 2-hydroxyacid dehydrogenase, NAD binding domain D-mannose binding lectin DAHP synthetase I family DNA polymerase family A DNA topoisomerase DegT/DnrJ/EryC1/StrS aminotransferase family Dehydrogenase E1 component Delta-aminolevulinic acid dehydratase Deoxynucleoside kinase Di-haem cytochrome c peroxidase Dihydrodipicolinate reductase, C-terminus Dihydrodipicolinate synthetase family Dihydrofolate reductase Dihydroneopterin aldolase Dihydroorotate dehydrogenase Dioxygenase Dipeptidyl peptidase IV (DPP IV) N-terminal region EPSP synthase (3-phosphoshikimate 1-carboxyvinyltransferase) Ecotin Electron transfer flavoprotein beta subunit Endonuclease/Exonuclease/phosphatase family Enolase, C-terminal TIM barrel domain Enolase, N-terminal domain Enoyl-CoA hydratase/isomerase family Envelope glycoprotein GP120 Eukaryotic DNA topoisomerase I, DNA binding fragment Eukaryotic DNA topoisomerase I, catalytic core Eukaryotic aspartyl protease Eukaryotic initiation factor 4E Eukaryotic-type carbonic anhydrase FAD binding domain FAD binding domain FAD binding domain FAD binding domain FAD binding domain in molybdopterin dehydrogenase FAD binding domain of DNA photolyase FAD dependent oxidoreductase FAD linked oxidases, C-terminal domain FGGY family of carbohydrate kinases, C-terminal domain FGGY family of carbohydrate kinases, N-terminal domain FKBP-type peptidyl-prolyl cis-trans isomerase FMN-dependent dehydrogenase Ferrochelatase Fibroblast growth factor Flavin containing amine oxidoreductase Flavin reductase like domain Flavivirus glycoprotein, central and dimerisation domains Flavodoxin Flavodoxin-like fold Flavoprotein Formamidopyrimidine-DNA glycosylase H2TH domain Formamidopyrimidine-DNA glycosylase N-terminal domain Formyl transferase Fructose-1-6-bisphosphatase Fumarate reductase respiratory complex, transmembrane subunit Fumarate reductase subunit D Furin-like cysteine rich region G-protein alpha subunit GDSL-like Lipase/Acylhydrolase GHMP kinases putative ATP-binding protein GMC oxidoreductase GMC oxidoreductase GXGXG motif Galactoside-binding lectin Galactosyltransferase Globin Glu/Leu/Phe/Val dehydrogenase, dimerisation domain Glucosamine-6-phosphate isomerases/6-phosphogluconolactonase Glutamate synthase central domain Glutamate/Leucine/Phenylalanine/Valine dehydrogenase Glutamine amidotransferases class-II Glutamine synthetase, catalytic domain Glutathione S-transferase, C-terminal domain Glutathione S-transferase, N-terminal domain Glyceraldehyde 3-phosphate dehydrogenase, C-terminal domain Glyceraldehyde 3-phosphate dehydrogenase, NAD binding domain Glycine radical Glycolipid 2-alpha-mannosyltransferase Glycoprotein hormone Glycosyl hydrolase family 1 Glycosyl hydrolase family 10 Glycosyl hydrolase family 14 Glycosyl hydrolase family 20, catalytic domain Glycosyl hydrolase family 20, domain 2 Glycosyl hydrolase family 26 Glycosyl hydrolase family 3 C terminal domain Glycosyl hydrolase family 3 N terminal domain Glycosyl hydrolase family 47 Glycosyl hydrolase family 48 Glycosyl hydrolase family 53 Glycosyl hydrolase family 67 C-terminus Glycosyl hydrolase family 67 N-terminus Glycosyl hydrolase family 67 middle domain Glycosyl hydrolase family 9 Glycosyl hydrolases family 11 Glycosyl hydrolases family 15 Glycosyl hydrolases family 16 Glycosyl hydrolases family 18 Glycosyl hydrolases family 2, TIM barrel domain Glycosyl hydrolases family 2, sugar binding domain Glycosyl hydrolases family 28 Glycosyl hydrolases family 38 C-terminal domain Glycosyl hydrolases family 38 N-terminal domain Glycosyl hydrolases family 6 Glycosyltransferase family 28 N-terminal domain Glycosyltransferase family 43 Glycosyltransferase family 6 Glyoxalase/Bleomycin resistance protein/Dioxygenase superfamily Gram-negative porin Green fluorescent protein HIT domain Heat-labile enterotoxin beta chain Hemagglutinin Hemagglutinin esterase Hemagglutinin-neuraminidase Heme oxygenase Hexokinase Hexokinase HhH-GPD superfamily base excision DNA repair protein High potential iron-sulfur protein Histidine acid phosphatase Histidine kinase-, DNA gyrase B-, and HSP90-like ATPase Hsp70 protein Hydroxymethylglutaryl-coenzyme A reductase IMP dehydrogenase / GMP reductase domain IPT/TIG domain Immunoglobulin C1-set domain Immunoglobulin V-set domain Immunoglobulin domain Inosine-uridine preferring nucleoside hydrolase Inositol monophosphatase family Insulin/IGF/Relaxin family Integrase core domain Integrin, beta chain Iridovirus major capsid protein Iron only hydrogenase large subunit, C-terminal domain Isocitrate/isopropylmalate dehydrogenase Jacalin-like lectin domain Kinesin motor domain Kringle domain LSM domain LamB porin Lectin C-type domain Legume lectins alpha domain Legume lectins beta domain Ligand-binding domain of nuclear hormone receptor Ligand-binding domain of nuclear hormone receptor Ligand-gated ion channel Lipase Lipocalin / cytosolic fatty-acid binding protein family Lyase MGS-like domain Macrophage migration inhibitory factor (MIF) Major intrinsic protein Mandelate racemase / muconate lactonizing enzyme, C-terminal domain Mandelate racemase / muconate lactonizing enzyme, N-terminal domain Matrixin Met Apo-repressor, MetJ Metallo-beta-lactamase superfamily Methyl-coenzyme M reductase alpha subunit, C-terminal domain Methyl-coenzyme M reductase alpha subunit, N-terminal domain Methyl-coenzyme M reductase beta subunit, C-terminal domain Methyl-coenzyme M reductase gamma subunit Methylmalonyl-CoA mutase Molybdopterin oxidoreductase Molybdopterin oxidoreductase Fe4S4 domain Molydopterin dinucleotide binding domain Monooxygenase Multicopper oxidase Multicopper oxidase Multicopper oxidase Mur ligase family, catalytic domain Mur ligase family, glutamate ligase domain MutS domain V Myo-inositol-1-phosphate synthase Myosin head (motor domain) Myristoyl-CoA Myristoyl-CoA NAD dependent epimerase/dehydratase family NAD synthase NAD(P) transhydrogenase beta subunit NAD-dependent glycerol-3-phosphate dehydrogenase C-terminus NADH NUDIX domain Neuraminidase Nickel-dependent hydrogenase Nitrate reductase gamma subunit Nitric oxide synthase, oxygenase domain Nitrite and sulphite reductase 4Fe-4S domain Nitrite/Sulfite reductase ferredoxin-like half domain Nitrogenase component 1 type Oxidoreductase Nitrophorin Nitroreductase family Nuclear transport factor 2 (NTF2) domain Nucleoside diphosphate kinase Nucleotidyl transferase O-methyltransferase Oxidoreductase FAD-binding domain Oxidoreductase NAD-binding domain Oxidoreductase family, C-terminal alpha/beta domain Oxidoreductase family, NAD-binding Rossmann fold PAS domain PH domain PRC-barrel domain PX domain Palmitoyl protein thioesterase Pancreatic ribonuclease Pantoate-beta-alanine ligase Papain family cysteine protease Penicillin amidase Penicillin binding protein transpeptidase domain Peridinin-chlorophyll A binding protein Periplasmic binding proteins and sugar binding domain of the LacI family Peroxidase Phage lysozyme Phosphoenolpyruvate carboxykinase Phosphofructokinase Phosphoglucose isomerase Phosphoglycerate kinase Phosphoglycerate mutase family Phospholipase A1 Phospholipase A2 Phosphoribosyl transferase domain Phosphoribosyltransferase Phosphorylase family Phosphorylase family 2 Phosphotriesterase family Photosynthetic reaction centre cytochrome C subunit Photosynthetic reaction centre protein Photosynthetic reaction centre, H-chain N-terminal region Photosystem I psaA/psaB protein Photosystem I reaction centre subunit III Photosystem I reaction centre subunit IX / PsaJ Photosystem I reaction centre subunit VIII Photosystem I reaction centre subunit XI Phycobilisome protein Picornavirus coat protein (VP4) Poly A polymerase regulatory subunit Poly(A) polymerase central domain Polyomavirus coat protein Polypeptide deformylase Polysaccharide lyase family 8, super-sandwich domain Prenyltransferase and squalene oxidase repeat Prismane/CO dehydrogenase family Probable molybdopterin binding domain Proline dehydrogenase Prolyl oligopeptidase family Prolyl oligopeptidase, N-terminal beta-propeller domain Protease inhibitor/seed storage/LTP family Protein kinase domain Protein prenyltransferase alpha subunit repeat Protein tyrosine kinase Protein-tyrosine phosphatase Pterin binding enzyme Putative esterase Pyridine nucleotide-disulphide oxidoreductase Pyridine nucleotide-disulphide oxidoreductase, dimerisation domain Pyridoxal-dependent decarboxylase conserved domain Pyridoxal-dependent decarboxylase, C-terminal sheet domain Pyridoxal-dependent decarboxylase, pyridoxal binding domain Pyridoxal-phosphate dependent enzyme Pyridoxamine 5'-phosphate oxidase Pyruvate formate lyase Pyruvate kinase, barrel domain QXW lectin repeat Queuine tRNA-ribosyltransferase RNA recognition motif. (a.k.a. RRM, RBD, or RNP domain) Radical SAM superfamily Ras family Receptor L domain Receptor family ligand binding region Response regulator receiver domain Retroviral aspartyl protease Reverse transcriptase (RNA-dependent DNA polymerase) Reverse transcriptase connection domain Reverse transcriptase thumb domain Riboflavin kinase / FAD synthetase Ribonuclease T2 family Ribosome inactivating protein S-adenosyl-L-homocysteine hydrolase S-adenosyl-L-homocysteine hydrolase, NAD binding domain S-adenosylmethionine synthetase, N-terminal domain S-adenosylmethionine synthetase, central domain SET domain SH2 domain SH3 domain SRP54-type protein, GTPase domain Serine carboxypeptidase Serine hydroxymethyltransferase Serpin (serine protease inhibitor) Serum albumin family Shiga-like toxin beta subunit Shikimate kinase Sir2 family Snake toxin Staphylococcal nuclease homologue Starch binding domain Subtilase family Sulfatase Sulfotransferase domain Sushi domain (SCR repeat) TCP-1/cpn60 chaperonin family Taurine catabolism dioxygenase TauD, TfdA family Terpene synthase family, metal binding domain Tetrahydrofolate dehydrogenase/cyclohydrolase, NAD(P)-binding domain Thermolysin metallopeptidase, alpha-helical domain Thermolysin metallopeptidase, catalytic domain Thiamine monophosphate synthase/TENI Thiamine pyrophosphate enzyme, C-terminal TPP binding domain Thiamine pyrophosphate enzyme, N-terminal TPP binding domain Thiamine pyrophosphate enzyme, central domain Thioesterase superfamily Thiolase, C-terminal domain Thiolase, N-terminal domain Thymidine kinase from herpesvirus Thymidylate kinase Thymidylate synthase Thymidylate synthase complementing protein TonB dependent receptor TonB-dependent Receptor Plug Domain Transferrin Transglycosylase SLT domain Transketolase, C-terminal domain Transketolase, pyridine binding domain Transketolase, thiamine diphosphate binding domain Transthyretin precursor (formerly prealbumin) Triosephosphate isomerase Trypsin Tryptophan synthase alpha chain Tubulin/FtsZ family, GTPase domain Tyrosyl-DNA phosphodiesterase UDP-glucose/GDP-mannose dehydrogenase family, NAD binding domain UDP-glucose/GDP-mannose dehydrogenase family, UDP binding domain UDP-glucose/GDP-mannose dehydrogenase family, central domain Ubiquinol-cytochrome C reductase complex 14kD subunit Ubiquinol-cytochrome C reductase, UQCRX/QCR9 like UcrQ family Uracil DNA glycosylase superfamily Variant SH3 domain X-Pro dipeptidyl-peptidase (S15 family) Xylose isomerase-like TIM barrel YgbB family Zinc carboxypeptidase Zinc-binding dehydrogenase [2Fe-2S] binding domain alpha/beta hydrolase fold dTDP-4-dehydrorhamnose 3,5-epimerase dUTPase haloacid dehalogenase-like hydrolase impB/mucB/samB family lactate/malate dehydrogenase, NAD binding domain lactate/malate dehydrogenase, alpha/beta C-terminal domain metallopeptidase family M24 pfkB family carbohydrate kinase picornavirus capsid protein recA bacterial DNA recombination protein ribonuclease short chain dehydrogenase tRNA synthetase class II core domain (G, H, P, S and T) tRNA synthetases class I (E and Q), catalytic domain tRNA synthetases class I (I, L, M and V) tRNA synthetases class I (W and Y) tRNA synthetases class II (D, K and N) von Willebrand factor type D domain Alpha Beta Hydrolase NAD_kinase domain NEW NAD_kinase domain NEW NAD_kinase domain dimer

links