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(-) Description

Title :  CRYSTAL STRUCTURE OF CIRCULAR PERMUTED CBM21 (CP90) GIVES INSIGHT INTO THE ALTERED SELECTIVITY ON CARBOHYDRATE BINDING.
 
Authors :  P. Stephen, K. C. Cheng, P. C. Lyu
Date :  05 Apr 12  (Deposition) - 12 Dec 12  (Release) - 24 Jul 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.86
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Beta Barrel, Starch Binding, Amylose, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  P. Stephen, K. C. Cheng, P. C. Lyu
Crystal Structure Of Circular Permuted Rocbm21 (Cp90): Dimerisation And Proximity Of Binding Sites
Plos One V. 7 50488 2012
PubMed-ID: 23226294  |  Reference-DOI: 10.1371/JOURNAL.PONE.0050488

(-) Compounds

Molecule 1 - GLUCOAMYLASE
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET28A
    Expression System Strain: BL21 (DE3)
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Fragment: UNP RESIDUES 115-131, 26-114
    Gene: AMYA, CBM21
    Organism Scientific: RHIZOPUS ORYZAE
    Organism Taxid: 64495
    Other Details: CIRCULAR PERMUTED GLUCOAMYLASE OF RESIDUES 115-131 AND RESIDUES 26-114.

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (5, 33)

Asymmetric/Biological Unit (5, 33)
No.NameCountTypeFull Name
1ACT1Ligand/IonACETATE ION
2CL10Ligand/IonCHLORIDE ION
3NA12Ligand/IonSODIUM ION
4NH44Ligand/IonAMMONIUM ION
5SO46Ligand/IonSULFATE ION

(-) Sites  (33, 33)

Asymmetric Unit (33, 33)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREASN A:66 , TRP A:67 , ASN A:68 , ASN A:69 , SER A:83BINDING SITE FOR RESIDUE SO4 A 201
02AC2SOFTWARETYR A:5 , ALA A:27 , SER A:28 , HOH A:305 , HOH A:315 , HOH A:335BINDING SITE FOR RESIDUE SO4 A 202
03AC3SOFTWAREALA A:75 , ALA B:75 , HOH B:310BINDING SITE FOR RESIDUE NH4 A 203
04AC4SOFTWARETYR A:6 , ASN A:8 , LYS A:48 , ASN A:86 , NA A:207 , HOH A:315 , HOH A:326BINDING SITE FOR RESIDUE SO4 A 204
05AC5SOFTWAREALA A:12 , ALA B:12 , NA B:210BINDING SITE FOR RESIDUE NA A 205
06AC6SOFTWAREASN A:13 , GLU A:101 , CL B:214BINDING SITE FOR RESIDUE NA A 206
07AC7SOFTWARETYR A:6 , ASP A:7 , ASN A:8 , SO4 A:204BINDING SITE FOR RESIDUE NA A 207
08AC8SOFTWAREGLY A:63BINDING SITE FOR RESIDUE NA A 208
09AC9SOFTWARETYR A:103BINDING SITE FOR RESIDUE NA A 209
10BC1SOFTWARESER A:33 , TYR A:34BINDING SITE FOR RESIDUE NA A 210
11BC2SOFTWAREASP A:7 , ASN A:9 , TYR A:14 , HOH A:307BINDING SITE FOR RESIDUE CL A 211
12BC3SOFTWARESER A:33 , TYR A:34BINDING SITE FOR RESIDUE CL A 212
13BC4SOFTWARESER A:93 , ALA A:94 , HOH A:344 , SER B:77BINDING SITE FOR RESIDUE CL A 213
14BC5SOFTWARETHR A:4 , ASN A:49 , ALA A:51 , TYR A:52BINDING SITE FOR RESIDUE CL A 214
15BC6SOFTWAREASN A:9 , GLN A:15 , ASN B:9 , TYR B:14 , GLN B:15BINDING SITE FOR RESIDUE ACT A 215
16BC7SOFTWAREASN B:66 , TRP B:67 , ASN B:68 , ASN B:69 , SER B:83BINDING SITE FOR RESIDUE SO4 B 201
17BC8SOFTWARETYR B:5 , ALA B:27 , SER B:28 , HOH B:305 , HOH B:324BINDING SITE FOR RESIDUE SO4 B 202
18BC9SOFTWARETYR B:6 , ASN B:8 , LYS B:48 , ASN B:86 , NH4 B:218 , HOH B:308BINDING SITE FOR RESIDUE SO4 B 203
19CC1SOFTWARETYR B:6 , ASN B:8 , ASN B:86 , TYR B:103 , CL B:211BINDING SITE FOR RESIDUE NH4 B 204
20CC2SOFTWAREILE B:82 , SER B:83BINDING SITE FOR RESIDUE NA B 205
21CC3SOFTWARESER B:33 , TYR B:34BINDING SITE FOR RESIDUE NA B 206
22CC4SOFTWAREALA B:27 , GLN B:30 , HOH B:309 , HOH B:343BINDING SITE FOR RESIDUE NA B 207
23CC5SOFTWAREALA B:75 , PHE B:92 , SER B:93 , HOH B:310BINDING SITE FOR RESIDUE NA B 208
24CC6SOFTWARELYS B:55 , THR B:57 , LYS B:105 , GLU B:107BINDING SITE FOR RESIDUE NA B 209
25CC7SOFTWARENA A:205 , ASN B:13 , GLU B:101 , CL B:216BINDING SITE FOR RESIDUE NA B 210
26CC8SOFTWAREASN B:8 , ASN B:13 , GLY B:84 , SER B:85 , TYR B:103 , NH4 B:204BINDING SITE FOR RESIDUE CL B 211
27CC9SOFTWAREGLY B:63 , LYS B:97 , GLY B:98BINDING SITE FOR RESIDUE CL B 212
28DC1SOFTWARESER B:33 , TYR B:34BINDING SITE FOR RESIDUE CL B 213
29DC2SOFTWAREALA A:12 , NA A:206 , ALA B:12BINDING SITE FOR RESIDUE CL B 214
30DC3SOFTWARETYR B:6 , ASN B:49 , TYR B:103 , NH4 B:217BINDING SITE FOR RESIDUE CL B 215
31DC4SOFTWAREASP B:65 , TRP B:67 , GLU B:101 , NA B:210BINDING SITE FOR RESIDUE CL B 216
32DC5SOFTWARETYR B:103 , LYS B:105 , CL B:215BINDING SITE FOR RESIDUE NH4 B 217
33DC6SOFTWARETYR B:6 , ASP B:7 , ASN B:8 , SO4 B:203 , HOH B:320BINDING SITE FOR RESIDUE NH4 B 218

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4EIB)

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 4EIB)

(-) 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:108
                                                                                                                                            
               SCOP domains ------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...........................eeeeeeee...eeeeeeeee....eeeeeeeee...........eee.eeeee.....eeeeeeeee.....eeeeeeeee Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------ Transcript
                 4eib A   2 GKTYYDNNNSANYQVSTHMASIPSSASVQLDSYNYDGSTFSGKIYVKNIAYSKKVTVVYADGSDNWNNNGNIIAASFSGPISGSNYEYWTFSASVKGIKEFYIKYEVS 109
                                    11        21        31        41        51        61        71        81        91       101        


Chain B from PDB  Type:PROTEIN  Length:108
                                                                                                                                            
               SCOP domains ------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...........................eeeeeeee...eeeeeeeee.....eeeeeeeee..........eee.eeeee.....eeeeeeeee...eeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------ Transcript
                 4eib B   2 GKTYYDNNNSANYQVSTHMASIPSSASVQLDSYNYDGSTFSGKIYVKNIAYSKKVTVVYADGSDNWNNNGNIIAASFSGPISGSNYEYWTFSASVKGIKEFYIKYEVS 109
                                    11        21        31        41        51        61        71        81        91       101
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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  (0, 0)

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

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (4, 4)

Asymmetric/Biological Unit(hide GO term definitions)

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