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(-) Description

Title :  2.13 A STRUCTURE OF A KUNITZ-TYPE WINGED BEAN CHYMOTRYPSIN INHIBITOR PROTEIN
 
Authors :  S. Ravichandran, U. Sen, C. Chakrabarti, J. K. Dattagupta
Date :  04 Mar 99  (Deposition) - 12 Mar 99  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.14
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  A  (2x)
Biol. Unit 3:  A  (2x)
Keywords :  Serine Protease Inhibitor (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  S. Ravichandran, U. Sen, C. Chakrabarti, J. K. Dattagupta
Cryocrystallography Of A Kunitz-Type Serine Protease Inhibitor: The 90 K Structure Of Winged Bean Chymotrypsin Inhibitor (Wci) At 2. 13 A Resolution.
Acta Crystallogr. , Sect. D V. 55 1814 1999
PubMed-ID: 10531477  |  Reference-DOI: 10.1107/S0907444999009877
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - PROTEIN (CHYMOTRYPSIN INHIBITOR)
    Chains: A
    Organism Common: WINGED BEAN
    Organism Scientific: PSOPHOCARPUS TETRAGONOLOBUS
    Organism Taxid: 3891
    Synonym: WCI
    Tissue: SEED

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit : A
Biological Unit 1 (1x): A
Biological Unit 2 (2x): A
Biological Unit 3 (2x): A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 5)

Asymmetric Unit (1, 5)
No.NameCountTypeFull Name
1SO45Ligand/IonSULFATE ION
Biological Unit 1 (1, 5)
No.NameCountTypeFull Name
1SO45Ligand/IonSULFATE ION
Biological Unit 2 (1, 10)
No.NameCountTypeFull Name
1SO410Ligand/IonSULFATE ION
Biological Unit 3 (1, 10)
No.NameCountTypeFull Name
1SO410Ligand/IonSULFATE ION

(-) Sites  (7, 7)

Asymmetric Unit (7, 7)
No.NameEvidenceResiduesDescription
11STAUTHORSER A:62 , GLN A:63 , PHE A:64 , LEU A:65 , SER A:66 , LEU A:67 , PHE A:68 , ILE A:69THIS IS THE FIRST REACTIVE SITE OF THE CHYMOTRYPSIN INHIBITOR PROTEIN.
22NDAUTHORGLY A:37 , ASN A:38 , GLU A:39 , PRO A:40 , CYS A:41 , PRO A:42 , LEU A:43 , THR A:44THIS IS THE SECOND REACTIVE SITE OF THE CHYMOTRYPSIN INHIBITOR PROTEIN.
3AC1SOFTWARESER A:66 , LEU A:67 , SER A:88 , PRO A:89 , TRP A:90 , LYS A:108 , SO4 A:193 , HOH A:264 , HOH A:362BINDING SITE FOR RESIDUE SO4 A 191
4AC2SOFTWAREILE A:24 , HIS A:27 , SER A:123 , HIS A:124BINDING SITE FOR RESIDUE SO4 A 192
5AC3SOFTWARESER A:66 , PRO A:70 , SO4 A:191 , HOH A:264BINDING SITE FOR RESIDUE SO4 A 193
6AC4SOFTWAREHIS A:23 , HOH A:238BINDING SITE FOR RESIDUE SO4 A 194
7AC5SOFTWAREHIS A:27 , ARG A:47 , LEU A:168 , GLU A:169 , HOH A:213 , HOH A:345 , HOH A:357BINDING SITE FOR RESIDUE SO4 A 195

(-) SS Bonds  (2, 2)

Asymmetric Unit
No.Residues
1A:41 -A:85
2A:135 -A:144

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 4WBC)

(-) Sequences/Alignments

Asymmetric 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:180
                                                                                                                                                                                                                    
               SCOP domains d4wbca_ A: chymotrypsin inhibitor WCI                                                                                                                                                SCOP domains
               CATH domains 4wbcA00 A:1-180  [code=2.80.10.50, no name defined]                                                                                                                                  CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ................eeeeee..hhh...eeee.........eeee..........eeeee............eeeee............eee......eee.......hhh...eeeee........eeeeeee......eeeeeeeeee.....eeeeee.....eeeeee...... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 4wbc A   1 DDDLVDAEGNLVENGGTYYLLPHIWAHGGGIETAKTGNEPCPLTVVRSPNEVSKGEPIRISSQFLSLFIPRGSLVALGFANPPSCAASPWWTVVDSPQGPAVKLSQQKLPEKDILVFKFEKVSHSNIHVYKLLYCQHDEEDVKCDQYIGIHRDRNGNRRLVVTEENPLELVLLKAKSETA 180
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180
   Legend:   → Mismatch (orange background)
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  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 Unit
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (1, 1)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (5, 5)

Asymmetric Unit(hide GO term definitions)

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UniProtKB/Swiss-Prot
        ICW3_PSOTE | P10822: 1eyl 1fmz 1fn0 1wbc 1xg6 2bea 2beb 2esu 2et2 2qyi 2wbc 3i29 3i2a 3i2x 3qyd 3veq 4h9w 4ha2 4tlp

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