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(-) Description

Title :  HUMAN PEPSIN 3A IN COMPLEX WITH A PHOSPHONATE INHIBITOR IVA-VAL-VAL-LEU(P)-(O)PHE-ALA-ALA-OME
 
Authors :  M. Fujinaga, M. M. Cherney, N. I. Tarasova, P. A. Bartlett, J. E. Hanson, M. N. G. James
Date :  15 Jun 99  (Deposition) - 18 Jun 99  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.96
Chains :  Asym./Biol. Unit :  E
Keywords :  Aspartic Proteinase, Phosphonate Inhibitor, Transition State Analogue, Hydrolase-Hydrolase Inhibitor Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  M. Fujinaga, M. M. Cherney, N. I. Tarasova, P. A. Bartlett, J. E. Hanson M. N. James
Structural Study Of The Complex Between Human Pepsin And A Phosphorus-Containing Peptidic -Transition-State Analog.
Acta Crystallogr. , Sect. D V. 56 272 2000
PubMed-ID: 10713513  |  Reference-DOI: 10.1107/S0907444999016376
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - PEPSIN 3A
    ChainsE
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit E

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 1)

Asymmetric/Biological Unit (1, 1)
No.NameCountTypeFull Name
1HH01Ligand/IonMETHYL N-[(2S)-2-({(S)-HYDROXY[(1R)-3-METHYL-1-{[N-(3-METHYLBUTANOYL)-L-VALYL-L-VALYL]AMINO}BUTYL]PHOSPHORYL}OXY)-3-PHENYLPROPANOYL]-L-ALANYL-L-ALANINATE

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREMET E:12 , GLU E:13 , ASP E:32 , GLY E:34 , SER E:35 , THR E:74 , TYR E:75 , GLY E:76 , THR E:77 , PHE E:111 , TYR E:189 , ILE E:213 , ASP E:215 , GLY E:217 , THR E:218 , SER E:219 , HOH E:461BINDING SITE FOR RESIDUE HH0 E 327

(-) SS Bonds  (3, 3)

Asymmetric/Biological Unit
No.Residues
1E:45 -E:50
2E:206 -E:210
3E:249 -E:282

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Thr E:22 -Pro E:23

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1QRP)

(-) PROSITE Motifs  (2, 3)

Asymmetric/Biological Unit (2, 3)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1PEPTIDASE_A1PS51767 Peptidase family A1 domain profile.PEPA3_HUMAN76-385  1E:14-323
PEPA4_HUMAN76-385  1E:14-323
PEPA5_HUMAN76-385  1E:14-323
2ASP_PROTEASEPS00141 Eukaryotic and viral aspartyl proteases active site.PEPA3_HUMAN91-102
274-285
  2E:29-40
E:212-223
PEPA4_HUMAN91-102
274-285
  2E:29-40
E:212-223
PEPA5_HUMAN91-102
274-285
  2E:29-40
E:212-223

(-) Exons   (0, 0)

(no "Exon" information available for 1QRP)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it)
Chain E from PDB  Type:PROTEIN  Length:326
 aligned with PEPA3_HUMAN | P0DJD8 from UniProtKB/Swiss-Prot  Length:388

    Alignment length:326
                                    72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       362       372       382      
          PEPA3_HUMAN    63 VDEQPLENYLDMEYFGTIGIGTPAQDFTVVFDTGSSNLWVPSVYCSSLACTNHNRFNPEDSSTYQSTSETVSITYGTGSMTGILGYDTVQVGGISDTNQIFGLSETEPGSFLYYAPFDGILGLAYPSISSSGATPVFDNIWNQGLVSQDLFSVYLSADDQSGSVVIFGGIDSSYYTGSLNWVPVTVEGYWQITVDSITMNGEAIACAEGCQAIVDTGTSLLTGPTSPIANIQSDIGASENSDGDMVVSCSAISSLPDIVFTINGVQYPVPPSAYILQSEGSCISGFQGMNLPTESGELWILGDVFIRQYFTVFDRANNQVGLAPVA 388
               SCOP domains d1qrpe_ E: Pepsin(ogen)                                                                                                                                                                                                                                                                                                                SCOP domains
               CATH domains 1qrpE01 E:1-170 Acid Proteases                                                                                                                                            1qrpE02 E:171-325 Acid Proteases                                                                                                                           - CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eee.........................................hhhhhh....hhhhh...............................................hhhhhhh.........hhhhhhhhh.hhhhhhhhh......eeeee.........eeee...hhhh.....eeee.......eeee.eeee..eeee....eeeee......eeehhhhhhhhhhhh..ee.....eeehhhhhhhh..eeeee..eeeeehhhhheeee..eeee.eee...ee..ee.eeehhhhhhheeeeee....eeeeee.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) -------------PEPTIDASE_A1  PDB: E:14-323 UniProt: 76-385                                                                                                                                                                                                                                                                           --- PROSITE (3)
                PROSITE (4) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (4)
                PROSITE (5) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (5)
                PROSITE (6) ----------------------------ASP_PROTEASE---------------------------------------------------------------------------------------------------------------------------------------------------------------------------ASP_PROTEASE------------------------------------------------------------------------------------------------------- PROSITE (6)
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1qrp E   1 VDEQPLENYLDMEYFGTIGIGTPAQDFTVVFDTGSSNLWVPSVYCSSLACTNHNRFNPEDSSTYQSTSETVSITYGTGSMTGILGYDTVQVGGISDTNQIFGLSETEPGSFLYYAPFDGILGLAYPSISSSGATPVFDNIWNQGLVSQDLFSVYLSADDQSGSVVIFGGIDSSYYTGSLNWVPVTVEGYWQITVDSITMNGEAIACAEGCQAIVDTGTSLLTGPTSPIANIQSDIGASENSDGDMVVSCSAISSLPDIVFTINGVQYPVPPSAYILQSEGSCISGFQGMNLPTESGELWILGDVFIRQYFTVFDRANNQVGLAPVA 326
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320      

Chain E from PDB  Type:PROTEIN  Length:326
 aligned with PEPA4_HUMAN | P0DJD7 from UniProtKB/Swiss-Prot  Length:388

    Alignment length:326
                                    72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       362       372       382      
          PEPA4_HUMAN    63 VDEQPLENYLDMEYFGTIGIGTPAQDFTVVFDTGSSNLWVPSVYCSSLACTNHNRFNPEDSSTYQSTSETVSITYGTGSMTGILGYDTVQVGGISDTNQIFGLSETEPGSFLYYAPFDGILGLAYPSISSSGATPVFDNIWNQGLVSQDLFSVYLSADDQSGSVVIFGGIDSSYYTGSLNWVPVTVEGYWQITVDSITMNGEAIACAEGCQAIVDTGTSLLTGPTSPIANIQSDIGASENSDGDMVVSCSAISSLPDIVFTINGVQYPVPPSAYILQSEGSCISGFQGMNLPTESGELWILGDVFIRQYFTVFDRANNQVGLAPVA 388
               SCOP domains d1qrpe_ E: Pepsin(ogen)                                                                                                                                                                                                                                                                                                                SCOP domains
               CATH domains 1qrpE01 E:1-170 Acid Proteases                                                                                                                                            1qrpE02 E:171-325 Acid Proteases                                                                                                                           - CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eee.........................................hhhhhh....hhhhh...............................................hhhhhhh.........hhhhhhhhh.hhhhhhhhh......eeeee.........eeee...hhhh.....eeee.......eeee.eeee..eeee....eeeee......eeehhhhhhhhhhhh..ee.....eeehhhhhhhh..eeeee..eeeeehhhhheeee..eeee.eee...ee..ee.eeehhhhhhheeeeee....eeeeee.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) -------------PEPTIDASE_A1  PDB: E:14-323 UniProt: 76-385                                                                                                                                                                                                                                                                           --- PROSITE (2)
                PROSITE (3) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                PROSITE (4) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (4)
                PROSITE (5) ----------------------------ASP_PROTEASE---------------------------------------------------------------------------------------------------------------------------------------------------------------------------ASP_PROTEASE------------------------------------------------------------------------------------------------------- PROSITE (5)
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1qrp E   1 VDEQPLENYLDMEYFGTIGIGTPAQDFTVVFDTGSSNLWVPSVYCSSLACTNHNRFNPEDSSTYQSTSETVSITYGTGSMTGILGYDTVQVGGISDTNQIFGLSETEPGSFLYYAPFDGILGLAYPSISSSGATPVFDNIWNQGLVSQDLFSVYLSADDQSGSVVIFGGIDSSYYTGSLNWVPVTVEGYWQITVDSITMNGEAIACAEGCQAIVDTGTSLLTGPTSPIANIQSDIGASENSDGDMVVSCSAISSLPDIVFTINGVQYPVPPSAYILQSEGSCISGFQGMNLPTESGELWILGDVFIRQYFTVFDRANNQVGLAPVA 326
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320      

Chain E from PDB  Type:PROTEIN  Length:326
 aligned with PEPA5_HUMAN | P0DJD9 from UniProtKB/Swiss-Prot  Length:388

    Alignment length:326
                                    72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       362       372       382      
          PEPA5_HUMAN    63 VDEQPLENYLDMEYFGTIGIGTPAQDFTVVFDTGSSNLWVPSVYCSSLACTNHNRFNPEDSSTYQSTSETVSITYGTGSMTGILGYDTVQVGGISDTNQIFGLSETEPGSFLYYAPFDGILGLAYPSISSSGATPVFDNIWNQGLVSQDLFSVYLSADDKSGSVVIFGGIDSSYYTGSLNWVPVTVEGYWQITVDSITMNGETIACAEGCQAIVDTGTSLLTGPTSPIANIQSDIGASENSDGDMVVSCSAISSLPDIVFTINGVQYPVPPSAYILQSEGSCISGFQGMNVPTESGELWILGDVFIRQYFTVFDRANNQVGLAPVA 388
               SCOP domains d1qrpe_ E: Pepsin(ogen)                                                                                                                                                                                                                                                                                                                SCOP domains
               CATH domains 1qrpE01 E:1-170 Acid Proteases                                                                                                                                            1qrpE02 E:171-325 Acid Proteases                                                                                                                           - CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eee.........................................hhhhhh....hhhhh...............................................hhhhhhh.........hhhhhhhhh.hhhhhhhhh......eeeee.........eeee...hhhh.....eeee.......eeee.eeee..eeee....eeeee......eeehhhhhhhhhhhh..ee.....eeehhhhhhhh..eeeee..eeeeehhhhheeee..eeee.eee...ee..ee.eeehhhhhhheeeeee....eeeeee.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -------------PEPTIDASE_A1  PDB: E:14-323 UniProt: 76-385                                                                                                                                                                                                                                                                           --- PROSITE (1)
                PROSITE (2) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (3)
                PROSITE (4) ----------------------------ASP_PROTEASE---------------------------------------------------------------------------------------------------------------------------------------------------------------------------ASP_PROTEASE------------------------------------------------------------------------------------------------------- PROSITE (4)
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1qrp E   1 VDEQPLENYLDMEYFGTIGIGTPAQDFTVVFDTGSSNLWVPSVYCSSLACTNHNRFNPEDSSTYQSTSETVSITYGTGSMTGILGYDTVQVGGISDTNQIFGLSETEPGSFLYYAPFDGILGLAYPSISSSGATPVFDNIWNQGLVSQDLFSVYLSADDQSGSVVIFGGIDSSYYTGSLNWVPVTVEGYWQITVDSITMNGEAIACAEGCQAIVDTGTSLLTGPTSPIANIQSDIGASENSDGDMVVSCSAISSLPDIVFTINGVQYPVPPSAYILQSEGSCISGFQGMNLPTESGELWILGDVFIRQYFTVFDRANNQVGLAPVA 326
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320      

   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 1)

Asymmetric/Biological Unit

(-) CATH Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1QRP)

(-) Gene Ontology  (10, 29)

Asymmetric/Biological Unit(hide GO term definitions)
Chain E   (PEPA3_HUMAN | P0DJD8)
molecular function
    GO:0004190    aspartic-type endopeptidase activity    Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a mechanism in which a water molecule bound by the side chains of aspartic residues at the active center acts as a nucleophile.
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    GO:0008233    peptidase activity    Catalysis of the hydrolysis of a peptide bond. A peptide bond is a covalent bond formed when the carbon atom from the carboxyl group of one amino acid shares electrons with the nitrogen atom from the amino group of a second amino acid.
biological process
    GO:0044267    cellular protein metabolic process    The chemical reactions and pathways involving a specific protein, rather than of proteins in general, occurring at the level of an individual cell. Includes cellular protein modification.
    GO:0007586    digestion    The whole of the physical, chemical, and biochemical processes carried out by multicellular organisms to break down ingested nutrients into components that may be easily absorbed and directed into metabolism.
    GO:0006508    proteolysis    The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.
cellular component
    GO:0070062    extracellular exosome    A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
    GO:0097486    multivesicular body lumen    The volume enclosed by the outermost membrane of a multivesicular body.

Chain E   (PEPA5_HUMAN | P0DJD9)
molecular function
    GO:0004190    aspartic-type endopeptidase activity    Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a mechanism in which a water molecule bound by the side chains of aspartic residues at the active center acts as a nucleophile.
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    GO:0008233    peptidase activity    Catalysis of the hydrolysis of a peptide bond. A peptide bond is a covalent bond formed when the carbon atom from the carboxyl group of one amino acid shares electrons with the nitrogen atom from the amino group of a second amino acid.
biological process
    GO:0044267    cellular protein metabolic process    The chemical reactions and pathways involving a specific protein, rather than of proteins in general, occurring at the level of an individual cell. Includes cellular protein modification.
    GO:0007586    digestion    The whole of the physical, chemical, and biochemical processes carried out by multicellular organisms to break down ingested nutrients into components that may be easily absorbed and directed into metabolism.
    GO:0030163    protein catabolic process    The chemical reactions and pathways resulting in the breakdown of a protein by the destruction of the native, active configuration, with or without the hydrolysis of peptide bonds.
    GO:0006508    proteolysis    The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.
cellular component
    GO:0070062    extracellular exosome    A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
    GO:0097486    multivesicular body lumen    The volume enclosed by the outermost membrane of a multivesicular body.

Chain E   (PEPA4_HUMAN | P0DJD7)
molecular function
    GO:0004190    aspartic-type endopeptidase activity    Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a mechanism in which a water molecule bound by the side chains of aspartic residues at the active center acts as a nucleophile.
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    GO:0008233    peptidase activity    Catalysis of the hydrolysis of a peptide bond. A peptide bond is a covalent bond formed when the carbon atom from the carboxyl group of one amino acid shares electrons with the nitrogen atom from the amino group of a second amino acid.
biological process
    GO:0044267    cellular protein metabolic process    The chemical reactions and pathways involving a specific protein, rather than of proteins in general, occurring at the level of an individual cell. Includes cellular protein modification.
    GO:0007586    digestion    The whole of the physical, chemical, and biochemical processes carried out by multicellular organisms to break down ingested nutrients into components that may be easily absorbed and directed into metabolism.
    GO:0030163    protein catabolic process    The chemical reactions and pathways resulting in the breakdown of a protein by the destruction of the native, active configuration, with or without the hydrolysis of peptide bonds.
    GO:0006508    proteolysis    The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.
cellular component
    GO:0070062    extracellular exosome    A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
    GO:0097486    multivesicular body lumen    The volume enclosed by the outermost membrane of a multivesicular body.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        PEPA3_HUMAN | P0DJD81flh 1psn 1pso 3utl
        PEPA4_HUMAN | P0DJD71flh 1psn 1pso 3utl
        PEPA5_HUMAN | P0DJD91flh 1psn 1pso 3utl

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 1QRP)