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(-) Description

Title :  CRYSTAL STRUCTURE OF A HALOTOLERANT CARBONIC ANHYDRASE FROM DUNALIELLA SALINA
 
Authors :  L. Premkumar, H. M. Greenblatt, U. K. Bageshwar, T. Savchenko, I. Gokhm J. L. Sussman, A. Zamir, Israel Structural Proteomics Center (Is
Date :  10 Dec 04  (Deposition) - 03 May 05  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.86
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Biol. Unit 3:  A,B  (1x)
Keywords :  Alpha-Type Carbonic Anhydrase, Haltolerant Protein, Algal Carbonic Anhydrase, Salt Tolerant Protein, Zinc Enzyme, Anion Tolerance, Dunaliella Salina Carbonic Anhydrase, Dca Ii, Israel Structural Proteomics Center, Ispc, Structural Genomics, Lyase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  L. Premkumar, H. M. Greenblatt, U. K. Bageshwar, T. Savchenko, I. Gokhman, J. L. Sussman, A. Zamir
Three-Dimensional Structure Of A Halotolerant Algal Carboni Anhydrase Predicts Halotolerance Of A Mammalian Homolog.
Proc. Natl. Acad. Sci. Usa V. 102 7493 2005
PubMed-ID: 15894606  |  Reference-DOI: 10.1073/PNAS.0502829102

(-) Compounds

Molecule 1 - HALOTOLERANT ALPHA-TYPE CARBONIC ANHYDRASE (DCA II)
    Chains: A, B
    EC Number: 4.2.1.1
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET21A
    Expression System Strain: ORIGAMI B PLYSS
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: DCA II
    Organism Scientific: DUNALIELLA SALINA
    Organism Taxid: 3046

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (1x): A 
Biological Unit 2 (1x):  B
Biological Unit 3 (1x): AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 7)

Asymmetric Unit (3, 7)
No.NameCountTypeFull Name
1ACY2Ligand/IonACETIC ACID
2NA2Ligand/IonSODIUM ION
3ZN3Ligand/IonZINC ION
Biological Unit 1 (1, 1)
No.NameCountTypeFull Name
1ACY1Ligand/IonACETIC ACID
2NA-1Ligand/IonSODIUM ION
3ZN-1Ligand/IonZINC ION
Biological Unit 2 (1, 1)
No.NameCountTypeFull Name
1ACY1Ligand/IonACETIC ACID
2NA-1Ligand/IonSODIUM ION
3ZN-1Ligand/IonZINC ION
Biological Unit 3 (1, 2)
No.NameCountTypeFull Name
1ACY2Ligand/IonACETIC ACID
2NA-1Ligand/IonSODIUM ION
3ZN-1Ligand/IonZINC ION

(-) Sites  (7, 7)

Asymmetric Unit (7, 7)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLY A:67 , GLN A:69 , GLY A:72 , HOH A:343 , HOH A:379BINDING SITE FOR RESIDUE NA A 281
2AC2SOFTWAREGLY B:67 , GLN B:69 , GLY B:72 , HOH B:306 , HOH B:333 , HOH B:336BINDING SITE FOR RESIDUE NA B 282
3AC3SOFTWAREHIS A:115 , HIS A:117 , HIS A:135 , ACY A:279 , HOH A:330BINDING SITE FOR RESIDUE ZN A 283
4AC4SOFTWAREHIS B:115 , HIS B:117 , HIS B:135 , ACY B:280 , HOH B:324BINDING SITE FOR RESIDUE ZN B 284
5AC5SOFTWAREHIS A:13 , HOH A:416 , HIS B:13 , HOH B:327BINDING SITE FOR RESIDUE ZN B 285
6AC6SOFTWAREHIS A:115 , HIS A:135 , LEU A:216 , THR A:217 , ZN A:283 , HOH A:330 , HOH A:476BINDING SITE FOR RESIDUE ACY A 279
7AC7SOFTWAREHIS B:115 , HIS B:135 , VAL B:137 , LEU B:216 , THR B:217 , ZN B:284 , HOH B:324BINDING SITE FOR RESIDUE ACY B 280

(-) SS Bonds  (2, 2)

Asymmetric Unit
No.Residues
1A:31 -A:221
2B:31 -B:221

(-) Cis Peptide Bonds  (4, 4)

Asymmetric Unit
No.Residues
1Ser A:37 -Pro A:38
2Pro A:219 -Gly A:220
3Ser B:37 -Pro B:38
4Pro B:219 -Gly B:220

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1Y7W)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1Y7W)

(-) Exons   (0, 0)

(no "Exon" information available for 1Y7W)

(-) 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:274
                                                                                                                                                                                                                                                                                                                  
               SCOP domains d1y7wa_ A: automated matches                                                                                                                                                                                                                                                       SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .............hhhh.ee..ee.hhhhhh......eehhhhh.hhhhh.......hhhhhh........ee...ee.......ee.........eeee..eeeeeeeeeeeeee.....ee......eeeeeeeee....hhhhh.eeeeeeeeee....hhhhhhhhhhhhhhhhh.........ee...eehhhhh......eeeeee..........eeeeee...eeehhhhhhhhhhhhhhhh...................eee.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1y7w A   3 NPNDGYDYMQHGFDWPGLQEGGTTKYPACSGSNQSPIDINTNQLMEPSSRSGTSAVSLNGLNVDGAQADGITLTNAKVDLEQGMKVTFDQPAANLPTIEIGGTTKSFVPIQFHFHHFLSEHTINGIHYPLELHIVMQEQDPADVATAQLAVIGIMYKYSENGDAFLNSLQTQIEGKIGDGTASYGDTGVSIDNINVKTQLLPSSLKYAGYDGSLTTPGCDERVKWHVFTTPREVTREQMKLFVDVTMGAHAGADVVNNRMIQDLGDREVYKYNY 276
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272    


Chain B from PDB  Type:PROTEIN  Length:274
                                                                                                                                                                                                                                                                                                                  
               SCOP domains d1y7wb_ B: automated matches                                                                                                                                                                                                                                                       SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .............hhhh.ee..ee.hhhhhh......eehhhhh.hhhhh.......hhhhhh........ee...ee.......ee.........eeee..eeeeeeeeeeeeee.....ee......eeeeeeeee....hhhhh.eeeeeeeeee....hhhhhhhhhhhhhhhhh.........ee...eehhhhh......eeeeee..........eeeeee...eeehhhhhhhhhhhhhhhh...................eee.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1y7w B   3 NPNDGYDYMQHGFDWPGLQEGGTTKYPACSGSNQSPIDINTNQLMEPSSRSGTSAVSLNGLNVDGAQADGITLTNAKVDLEQGMKVTFDQPAANLPTIEIGGTTKSFVPIQFHFHHFLSEHTINGIHYPLELHIVMQEQDPADVATAQLAVIGIMYKYSENGDAFLNSLQTQIEGKIGDGTASYGDTGVSIDNINVKTQLLPSSLKYAGYDGSLTTPGCDERVKWHVFTTPREVTREQMKLFVDVTMGAHAGADVVNNRMIQDLGDREVYKYNY 276
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272
   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, 2)

Asymmetric Unit
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1Y7W)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1Y7W)

(-) Gene Ontology  (0, 0)

Asymmetric Unit(hide GO term definitions)
    (no "Gene Ontology" information available for 1Y7W)

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  4.2.1.1
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