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(-) Description

Title :  PORCINE PANCREATIC ALPHA-AMYLASE IN COMPLEX WITH HELIANTHAMIDE, A NOVEL PROTEINACEOUS INHIBITOR
 
Authors :  L. K. Williams, G. D. Brayer
Date :  21 Nov 14  (Deposition) - 25 Nov 15  (Release) - 25 Nov 15  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.60
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Amylase, Inhibitor, Diabetes, Protein Inhibitor, Hydrolase-Hydrolase Inhibitor Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  C. Tysoe, L. K. Williams, R. Keyzers, N. T. Nguyen, A. Aguda, X. Zhang, C. A. Tarling, R. J. Andersen, G. D. Brayer, S. G. Withers
Structural Templating And Guided Refolding Of The Potent Naturally Occurring Peptide Helianthamide Within The Active Site Of Amylase, A Diabetes And Obesity Therapeutic Target
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - PANCREATIC ALPHA-AMYLASE
    Chains: A
    EC Number: 3.2.1.1
    Fragment: UNP RESIDUES 16-511
    Organ: PANCREAS
    Organism Common: PIG
    Organism Scientific: SUS SCROFA
    Organism Taxid: 9823
    Synonym: PA,1,4-ALPHA-D-GLUCAN GLUCANOHYDROLASE
 
Molecule 2 - HELIANTHAMIDE
    Chains: B
    Engineered: YES
    Organism Scientific: STICHODACTYLA HELIANTHUS
    Organism Taxid: 6123
    Synthetic: YES

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 4)

Asymmetric/Biological Unit (4, 4)
No.NameCountTypeFull Name
1CA1Ligand/IonCALCIUM ION
2CL1Ligand/IonCHLORIDE ION
3GOL1Ligand/IonGLYCEROL
4PCA1Mod. Amino AcidPYROGLUTAMIC ACID

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG A:195 , ASN A:298 , ARG A:337binding site for residue CL A 501
2AC2SOFTWAREASN A:100 , ARG A:158 , ASP A:167 , HIS A:201 , HOH A:805 , HOH A:806 , HOH A:807binding site for residue CA A 502
3AC3SOFTWARETRP A:58 , ASP A:300 , ARG A:303 , HIS A:305 , GLY A:306 , ASP A:356 , TYR B:1007 , GLY B:1011binding site for residue GOL A 503

(-) SS Bonds  (8, 8)

Asymmetric/Biological Unit
No.Residues
1A:28 -A:86
2A:70 -A:115
3A:141 -A:160
4A:378 -A:384
5A:450 -A:462
6B:1006 -B:1038
7B:1016 -B:1033
8B:1020 -B:1039

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1Asn A:53 -Pro A:54
2Val A:129 -Pro A:130

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4X0N)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4X0N)

(-) Exons   (0, 0)

(no "Exon" information available for 4X0N)

(-) 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:496
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...........eeeee...hhhhhhhhhhhh.......eeee..............hhhhhhh...........hhhhhhhhhhhhhh...eeeeee...eeee...............hhhhh.......hhhhhhhhh............hhhhhhhh....eee....hhhhhhhhhhhhhhhhhhh..eeee.hhhhhhhhhhhhhhh................eeee..........hhhhhh...eee.hhhhhhhhhhhhh....hhhhhhhhhhhhh..hhh.eee.....hhhhh...hhhhh.hhhhhhhhhhhhhhhhhh...eeeeee.......ee..ee........ee..ee................hhhhhhhhhhhhhhhhhh....eeeeee....eeeeee...eeeeee.....eeeeee.....eeee......ee..ee...eeee....eeeeee.......eeeee.hhh. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                4x0n A    1 xYAPQTQSGRTSIVHLFEWRWVDIALECERYLGPKGFGGVQVSPPNENVVVTNPSRPWWERYQPVSYKLCTRSGNENEFRDMVTRCNNVGVRIYVDAVINHMCGSGAAAGTGTTCGSYCNPGSREFPAVPYSAWDFNDGKCKTASGGIESYNDPYQVRDCQLVGLLDLALEKDYVRSMIADYLNKLIDIGVAGFRIDASKHMWPGDIKAVLDKLHNLNTNWFPAGSRPFIFQEVIDLGGEAISSSEYFGNGRVTEFKYGAKLGTVVRKWSGEKMSYLKNWGEGWGFMPSDRALVFVDNHDNQRGHGAGGSSILTFWDARLYKVAVGFMLAHPYGFTRVMSSYRWARNFVNGEDVNDWIGPPNNNGVIKEVTINADTTCGNDWVCEHRWREIRNMVWFRNVVDGQPFANWWDNGSNQVAFGRGNRGFIVFNNDDWQLSSTLQTGLPGGTYCNVISGDKVGNSCTGIKVYVSSDGTAQFSISNSAQDPFIAIHAESKL  496
                            |       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       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490      
                            |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
                            1-PCA                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           


Chain B from PDB  Type:PROTEIN  Length:44
                                                                             
               SCOP domains -------------------------------------------- SCOP domains
               CATH domains -------------------------------------------- CATH domains
               Pfam domains -------------------------------------------- Pfam domains
         Sec.struct. author .....eeee..eeeeee.......eee..hhhhh..eeee.... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------- PROSITE
                 Transcript -------------------------------------------- Transcript
                4x0n B 1001 ESGNSCYIYHGVSGICKASCAEDEKAMAGMGVCEGHLCCYKTPW 1044
                                  1010      1020      1030      1040
   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 4X0N)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4X0N)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4X0N)

(-) Gene Ontology  (13, 13)

Asymmetric/Biological Unit(hide GO term definitions)

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  Cis Peptide Bonds
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 Related Entries

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

UniProtKB/Swiss-Prot
        AMYP_PIG | P00690: 1bvn 1dhk 1hx0 1jfh 1kxq 1kxt 1kxv 1ose 1pif 1pig 1ppi 1ua3 1vah 1wo2 3l2l 3l2m

(-) Related Entries Specified in the PDB File

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