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Table 1 The dataset of obligatory and non-obligatory polypeptide chains identified from the PDB

From: Interaction preferences across protein-protein interfaces of obligatory and non-obligatory components are different

LIST OF NON-OBLIGATORY PROTEIN-CHAINS
PDB Representative-chain Partner-chain Resolution Names of proteins
1dx5 I M 2.30 Thrombomodulin, Thrombin Heavy Chain
1gua A B 2.00 Rap1A, C-Raf1
1efu A B 2.50 Elongation Factor Tu, Elongation Factor Ts
1avw B A 1.75 Trypsin, Trypsin Inhibitor
1emv A B 1.70 Immunity Protein Im9, Colicin E9
1ay7 B A 1.70 Barstar, Guanyl-Specific Ribonuclease Sa
1stf E I 2.37 Papain (Cys 25 Carboxymethylated), Papain (Cys 25 Carboxymethylated)
3eza B A NMR Histidine-Containing Phosphocarrier Protein H, Phosphotransferase System, Enzyme I
1ggr B A NMR Phosphocarrier Protein Hpr, Pts System, Glucose-Specific Iia Component
1pyt B A 2.35 Procarboxypeptidase A, Procarboxypeptidase A
1pyt B D 2.35 Procarboxypeptidase A, Chymotrypsinogen C
1fle I E 1.90 Elafin, Elastase
1sgp I E 1.40 Turkey Ovomucoid Inhibitor, Streptomyces Griseus Proteinase B
1ycs A B 2.20 P53, P53
1ycs B A 2.20 P53, P53
1efn A B 2.50 Fyn Tyrosine Kinase, Hiv-1 Nef Protein
1efn B A 2.50 HIV-1 Nef Protein, Fyn Tyrosine Kinase
1tx4 A B 1.65 P50-Rho GAP, Transforming protein rhoa
1tx4 B A 1.65 Transforming protein Rhoa, P50-Rho GAP
1a2k C A 2.50 Nuclear Transport Factor 2, Nuclear Transport Factor 2
1fin A B 2.30 Cyclin-Dependent Kinase 2, Cyclin A
1fin B A 2.30 Cyclin A, Cyclin-Dependent Kinase 2
1ak4 A C 2.36 Cyclophilin A, Hiv-1Capsid
1ak4 C A 2.36 Hiv-1Capsid, Cyclophilin A
1dhk A B 1.85 Porcine Pancreatic Alpha-Amylase, Bean Lectin-Like Inhibitor
1gla F G 2.60 Glycerol Kinase, Factor III Glc
1ydr E I 2.20 C-Amp-Dependent Protein Kinase, Protein Kinase Inhibitor Peptide
2pcc A B 2.30 Cytochrome C Peroxidase, Cytochrome C
2pcc B A 2.30 Cytochrome C, Cytochrome C Peroxidase
1d2z A B 2.00 Death Domain Of Pelle, Death Domain Of Tube
LIST OF OBLIGATORY PROTEIN-CHAINS
PDB Representative chain Partner chain Resolution Names of proteins
1bmq B A 2.50 Interleukin-1 Beta Convertase, Interleukin-1 Beta Convertase
1qdl B A 2.50 Anthranilate Synthase (Trpg-Subunit), Anthranilate Synthase (Trpe-Subunit)
1poi B A 2.50 Glutaconate Coenzyme A-Transferase, Glutaconate Coenzyme A-Transferase
1ihf B A 2.50 Integration Host Factor, Integration Host Factor
1poi B C 2.50 Glutaconate Coenzyme A-Transferase, Glutaconate Coenzyme A-Transferase
1bcr B A 2.50 Serine Carboxypeptidase II, Serine Carboxypeptidase II
1wdc A B 2.00 Scallop Myosin, Scallop Myosin
1wdc A C 2.00 Scallop Myosin, Scallop Myosin
1ryp 1 I 1.90 20S Proteasome, 20S Proteasome
1ryp 1 J 1.90 20S Proteasome, 20S Proteasome
1ryp 1 S 1.90 20S Proteasome, 20S Proteasome
1ryp 1 T 1.90 20S Proteasome, 20S Proteasome
1ryp 1 Z 1.90 20S Proteasome, 20S Proteasome
1ryp 1 2 1.90 20S Proteasome, 20S Proteasome
1kve A B 1.80 Smk Toxin, Smk Toxin
1luc A B 1.50 Bacterial Luciferase, Bacterial Luciferase
1fm0 E D 1.45 Molybdopterin Convertin Factor, Subunit 2, Molybdopterin Convertin Factor, Subunit 1
1fm0 D E 1.45 Molybdopterin Convertin Factor, Subunit 1, Molybdopterin Convertin Factor, Subunit 2
1h2r S L 1.40 Periplasmic [Nife] Hydrogenase Small Subunit, [Nife] Hydrogenase Large Subunit
1h2r L S 1.40 Periplasmic [Nife] Hydrogenase Large Subunit, Periplasmic [Nife] Hydrogenase Small Subunit
1svf C D 1.40 Fusion Glycoprotein, Fusion Glycoprotein
1svf B A 1.40 Fusion Glycoprotein, Fusion Glycoprotein
1hbn B C 1.16 Methyl-Coenzyme M Reductase I Beta Subunit, Methyl-Coenzyme M Reductase I Gamma Subunit
1ycp K J 2.50 Epsilon Thrombin, Epsilon Thrombin
1hfe S L 1.60 Fe-Only Hydrogenase (Smaller Subunit), Fe-Only Hydrogenase (Larger Subunit)
1f95 A B NMR Dynein, Dynein
1a2k A B 2.50 Nuclear Transport Factor 2, Nuclear Transport Factor 2
2thi A B 2.50 Thiaminase I, Thiaminase I
1e5d A B 2.50 Rubredoxin: Oxygen Oxidoreductase, Rubredoxin: Oxygen Oxidoreductase
1b55 B A 2.40 Tyrosine-Protein Kinase Btk, Tyrosine-Protein Kinase Btk
3nos A B 2.40 Endothelial Nitric-Oxide Synthase, Endothelial Nitric-Oxide Synthase
1qfx A B 2.40 pH 2.5 Acid Phosphatase, pH 2.5 Acid Phosphatase
2tmk A B 2.40 Thymidylate Kinase, Thymidylate Kinase
1f37 A B 2.30 Ferredoxin [2Fe-2S], Ferredoxin [2Fe-2S]
1qdn A B 2.30 N-Ethylmaleimide Sensitive Fusion Protein (N), N- Ethylmaleimide Sensitive Fusion Protein (N)
1dcp A B 2.30 Dcoh, Dcoh
1dcp A C 2.30 Dcoh, Dcoh
1dcp A D 2.30 Dcoh, Dcoh
1dcp A E 2.30 Dcoh, Dcoh
1del B A 2.20 Deoxynucleoside Monophosphate Kinase, Deoxynucleoside Monophosphate Kinase
1otg A B 2.10 5-Carboxymethyl-2-Hydroxymuconate Isomerase, 5-Carboxymethyl-2-Hydroxymuconate Isomerase
1bft A B 2.00 Nuclear Factor Nf-Kappa-B P65, Nuclear Factor Nf-Kappa-B P65
1coz A B 2.00 Glycerol-3-Phosphate Cytidylyltransferase, Glycerol-3-Phosphate Cytidylyltransferase
1mka A B 2.00 Beta-Hydroxydecanoyl Thiol Ester Dehydrase, Beta-Hydroxydecanoyl Thiol Ester Dehydrase
1b66 A B 1.90 6-Pyruvoyl Tetrahydropterin Synthase, 6-Pyruvoyl Tetrahydropterin Synthase
1otf A C 1.90 4-Oxalocrotonate Tautomerase, 4-Oxalocrotonate Tautomerase
1otf A D 1.90 4-Oxalocrotonate Tautomerase, 4-Oxalocrotonate Tautomerase
1otf A E 1.90 4-Oxalocrotonate Tautomerase, 4-Oxalocrotonate Tautomerase
1j9l A B 1.90 Stationary Phase Survival Protein, Stationary Phase Survival Protein
1dfn A B 1.90 Defensin HNP-3 – Chain A, Defensin HNP-3 – Chain B
1b93 A B 1.90 Methylglyoxal Synthase, Methylglyoxal Synthase
1b93 A C 1.90 Methylglyoxal Synthase, Methylglyoxal Synthase
1ext B A 1.85 Tumor Necrosis Factor Receptor, Tumor Necrosis Factor Receptor
1kve A C 1.80 Smk Toxin, Smk Toxin
1atl A B 1.80 Atrolysin C, Atrolysin C
1d2v A B 1.75 Myeloperoxidase, Myeloperoxidase
1tvx B A 1.75 Neutrophil Activating Peptide 2 Variant, Neutrophil Activating Peptide 2 Variant
1tvx B C 1.75 Neutrophil Activating Peptide 2 Variant, Neutrophil Activating Peptide 2 Variant
6gsv A B 1.75 Mu Class Glutathione S-Transferase Of Isoenz, Mu Class Glutathione S-Transferase Of Isoenz
1qsg G E 1.75 Enoyl-Reductase, Enoyl-Reductase
1qsg G F 1.75 Enoyl-Reductase, Enoyl-Reductase
1qsg G H 1.75 Enoyl-Reductase, Enoyl-Reductase
1a2z A B 1.73 Pyrrolidone Carboxyl Peptidase, Pyrrolidone Carboxyl Peptidase
1a2z A D 1.73 Pyrrolidone Carboxyl Peptidase, Pyrrolidone Carboxyl Peptidase
1mjh A B 1.70 ATP-Binding Domain Of Protein Mj0577, ATP-Binding Domain Of Protein Mj0577
1dqi A B 1.70 Superoxide Reductase, Superoxide Reductase
1dqi A D 1.70 Superoxide Reductase, Superoxide Reductase
1jqc B A 1.61 Protein R2 Of Ribonucleotide Reductase, Protein R2 Of Ribonucleotide Reductase
1f74 A C 1.60 N-Acetyl-Neuraminate Lyase, N-Acetyl-Neuraminate Lyase
3pvi A B 1.59 Pvuii Endonuclease, Pvuii Endonuclease
1f9z A B 1.50 Glyoxalase I, Glyoxalase I
1jr8 A B 1.50 Erv2 Protein, Mitochondrial, Erv2 Protein, Mitochondrial
1a4i B A 1.50 Methylenetetrahydrofolate Dehydrogenase / Me, Methylenetetrahydrofolate Dehydrogenase / Me
1dvj A B 1.50 Orotidine 5'-Phosphate Decarboxylase, Orotidine 5'-Phosphate Decarboxylase
1qh4 A B 1.41 Creatine Kinase, B Chain, Creatine Kinase, B Chain
2tnf A B 1.40 Tumor Necrosis Factor Alpha, Tumor Necrosis Factor Alpha
3sdh A B 1.40 Hemoglobin I (Homodimer) (Carbon-Monoxy) – C, Hemoglobin I (Homodimer) (Carbon-Monoxy) – C
1i0h A B 1.35 Manganese Superoxide Dismutase Y174F Mutant, Manganese Superoxide Dismutase Y174F Mutant
1dbf A B 1.30 Chorismate Mutase, Chorismate Mutase
1qks A B 1.28 Cytochrome Cd1 Nitrite Reductase, Cytochrome Cd1 Nitrite Reductase
1hbn B E 1.16 Methyl-Coenzyme M Reductase I Beta Subunit, Methyl-Coenzyme M Reductase I Beta Subunit