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(-) Description

Title :  HUMAN MESOTRYPSIN COMPLEXED WITH HAI-2 KUNITZ DOMAIN 1
 
Authors :  R. Wang, A. S. Soares, E. S. Radisky
Date :  18 Jul 14  (Deposition) - 15 Oct 14  (Release) - 10 Dec 14  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.65
Chains :  Asym./Biol. Unit :  A,X
Keywords :  Serine Protease, Protease Inhibitor, Protein-Protein Interaction, Protein Degradation, Proteolysis, Substrate Specificity, Enzyme Kinetics, Hydrolase-Hydrolase Inhibitor Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  D. Pendlebury, R. Wang, R. D. Henin, A. Hockla, A. S. Soares, B. J. Madden, M. D. Kazanov, E. S. Radisky
Sequence And Conformational Specificity In Substrate Recognition: Several Human Kunitz Protease Inhibitor Domain Are Specific Substrates Of Mesotrypsin.
J. Biol. Chem. V. 289 32783 2014
PubMed-ID: 25301953  |  Reference-DOI: 10.1074/JBC.M114.609560

(-) Compounds

Molecule 1 - KUNITZ-TYPE PROTEASE INHIBITOR 2
    Chains: X
    Engineered: YES
    Expression System: KOMAGATAELLA PASTORIS
    Expression System Taxid: 4922
    Fragment: BPTI/KUNITZ INHIBITOR 1 RESIDUES 34-91
    Gene: SPINT2, HAI2, KOP
    Organism Common: HUMAN
    Organism Scientific: HOMO SAPIENS
    Organism Taxid: 9606
    Synonym: HEPATOCYTE GROWTH FACTOR ACTIVATOR INHIBITOR TYPE 2,HAI-2, PLACENTAL BIKUNIN
 
Molecule 2 - TRYPSIN-3
    Chains: A
    EC Number: 3.4.21.4
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Gene: PRSS3, PRSS4, TRY3, TRY4
    Mutation: YES
    Organism Common: HUMAN
    Organism Scientific: HOMO SAPIENS
    Organism Taxid: 9606
    Synonym: BRAIN TRYPSINOGEN,MESOTRYPSINOGEN,SERINE PROTEASE 3,SERINE PROTEASE 4,TRYPSIN III,TRYPSIN IV

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AX

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 2)

Asymmetric/Biological Unit (2, 2)
No.NameCountTypeFull Name
1CA1Ligand/IonCALCIUM ION
2NAG1Ligand/IonN-ACETYL-D-GLUCOSAMINE

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLU A:70 , ASN A:72 , VAL A:75 , GLU A:77 , GLU A:80binding site for residue CA A 301
2AC2SOFTWARETRP X:22 , ASN X:24 , ASP X:27binding site for Mono-Saccharide NAG X 101 bound to ASN X 24

(-) SS Bonds  (8, 8)

Asymmetric/Biological Unit
No.Residues
1A:22 -A:157
2A:42 -A:58
3A:136 -A:201
4A:168 -A:182
5A:191 -A:220
6X:5 -X:55
7X:14 -X:38
8X:30 -X:51

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 4U32)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4U32)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4U32)

(-) Exons   (0, 0)

(no "Exon" information available for 4U32)

(-) 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 A from PDB  Type:PROTEIN  Length:224
                                                                                                                                                                                                                                                                 
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....ee........eeeee...eeeeeee....eeeehhhhh....eeee............eeeeeeeeee.............eeeee........................eeeeee...............eeeeee..hhhhhhhhh.......eeee................eeee..eeeeeeee..........eeeee...hhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                4u32 A   16 IVGGYTCEENSLPYQVSLNSGSHFCGGSLISEQWVVSAAHCYKTRIQVRLGEHNIKVLEGNEQFINAAKIIRHPKYNRDTLDNDIMLIKLSSPAVINARVSTISLPTAPPAAGTECLISGWGNTLSFGADYPDELKCLDAPVLTQAECKASYPGKITNSMFCVGFLEGGKDSCQRDAGGPVVCNGQLQGVVSWGHGCAWKNRPGVYTKVYNYVDWIKDTIAANS  246
                                    25        37        47        57        67|       78        88        98       108       118      |129||     140       150       160       170       180   |   188       198     ||212    || 222       232       242    
                                             34|                            67|                                                     125|  ||                                                184A 188A              204|     217| |                          
                                              37                             69                                                      127  ||                                                                        209      219 |                          
                                                                                                                                        130|                                                                                  221A                          
                                                                                                                                         132                                                                                                                


Chain X from PDB  Type:PROTEIN  Length:54
                                                                                       
               SCOP domains ------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------ Pfam domains
         Sec.struct. author ................eeeeeee....eeeeeee...........hhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------ Transcript
                4u32 X    2 HDFCLVSKVVGRCRASMPRWWYNVTDGSCQLFVYGGCDGNSNNYLTKEECLKKC   55
                                    11        21        31        41        51
   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  (0, 0)

(no "SCOP Domain" information available for 4U32)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4U32)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4U32)

(-) Gene Ontology  (26, 27)

Asymmetric/Biological Unit(hide GO term definitions)

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 Related Entries

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

UniProtKB/Swiss-Prot
        TRY3_HUMAN | P35030: 1h4w 2r9p 3l33 3l3t 3p92 3p95 4dg4 4u30 5c67 5jbt 5tp0

(-) Related Entries Specified in the PDB File

4u30