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(-) Description

Title :  CRYSTAL STRUCTURE OF O-ACETYLSERINE SULFHYDRASE FROM GEOBACILLUS KAUSTOPHILUS HTA426
 
Authors :  P. H. Rehse, S. Yokoyama, Riken Structural Genomics/Proteomics In (Rsgi)
Date :  02 Mar 07  (Deposition) - 04 Sep 07  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.90
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  A  (2x)
Biol. Unit 3:  A  (2x)
Keywords :  O-Acetylserine Sulfhydrase, Structural Genomics, Nppsfa, National Project On Protein Structural And Functional Analyses, Riken Structural Genomics/Proteomics Initiative, Rsgi, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  P. H. Rehse, S. Yokoyama
Crystal Structure Of O-Acetylserine Sulfhydrase From Geobacillus Kaustophilus Hta426
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - CYSTEINE SYNTHASE
    Chains: A
    EC Number: 2.5.1.47
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET-15B
    Expression System Strain: BL26-CODONPLUS (DE3)-RIL
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Organism Scientific: GEOBACILLUS KAUSTOPHILUS
    Organism Taxid: 235909
    Strain: HTA426
    Synonym: O-ACETYL-L-SERINE SULFHYDRYLASE

 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  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 2EGU)

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 Sequence-Structure Mapping

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(-) PROSITE Motifs  (0, 0)

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(-) Exons   (0, 0)

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(-) Sequences/Alignments

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   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
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SAPs(SNPs) PROSITE motifs Exons
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Chain A from PDB  Type:PROTEIN  Length:271
 aligned with Q5L3S8_GEOKA | Q5L3S8 from UniProtKB/TrEMBL  Length:308

    Alignment length:308
                                    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        
         Q5L3S8_GEOKA     1 MARTVNSITELIGDTPAVKLNRIVDEDSADVYLKLEFMNPGSSVKDRIALAMIEAAEKAGKLKPGDTIVEPTSGNTGIGLAMVAAAKGYKAVLVMPDTMSLERRNLLRAYGAELVLTPGAQGMRGAIAKAEELVREHGYFMPQQFKNEANPEIHRLTTGKEIVEQMGDQLDAFVAGVGTGGTITGAGKVLREAYPNIKIYAVEPADSPVLSGGKPGPHKIQGIGAGFVPDILDTSIYDGVITVTTEEAFAAARRAAREEGILGGISSGAAIHAALKVAKELGKGKKVLAIIPSNGERYLSTPLYQFED 308
               SCOP domains d2egua_ A: automated matches                                                                                                                                                                                                                                                                                         SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......hhhhhh....eee..........eeeeee.hhh....hhhhhhhhhhhhhhhh.......eeeee.hhhhhhhhhhhhhhhh.eeeeeee...hhhhhhhhhhh..eeeeehhhhhhhhhhhhhhhhhhhhh....--------------hhhhhhhhhhh....eeeee...hhhhhhhhhhhhhhh...eeeeeee..-----------------------.........eeeeehhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhh...eeeeee..hhhhhh......... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2egu A   1 MARTVNSITELIGDTPAVKLNRIVDEDSADVYLKLEFMNPGSSVKDRIALAMIEAAEKAGKLKPGDTIVEPTSGNTGIGLAMVAAAKGYKAVLVMPDTMSLERRNLLRAYGAELVLTPGAQGMRGAIAKAEELVREHGYFMP--------------TTGKEIVEQMGDQLDAFVAGVGTGGTITGAGKVLREAYPNIKIYAVEPAD-----------------------DILDTSIYDGVITVTTEEAFAAARRAAREEGILGGISSGAAIHAALKVAKELGKGKKVLAIIPSNGERYLSTPLYQFED 308
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140 |       -      |160       170       180       190       200     |   -         -       230       240       250       260       270       280       290       300        
                                                                                                                                                                       142            157                                              206                     230
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 Classification and Annotation

(-) SCOP Domains  (1, 1)

Asymmetric Unit
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2EGU)

(-) Pfam Domains  (0, 0)

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(-) Gene Ontology  (5, 5)

Asymmetric Unit(hide GO term definitions)
Chain A   (Q5L3S8_GEOKA | Q5L3S8)
molecular function
    GO:0004124    cysteine synthase activity    Catalysis of the reaction: O3-acetyl-L-serine + hydrogen sulfide = L-cysteine + acetate.
    GO:0016740    transferase activity    Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
biological process
    GO:0008652    cellular amino acid biosynthetic process    The chemical reactions and pathways resulting in the formation of amino acids, organic acids containing one or more amino substituents.
    GO:0019344    cysteine biosynthetic process    The chemical reactions and pathways resulting in the formation of cysteine, 2-amino-3-mercaptopropanoic acid.
    GO:0006535    cysteine biosynthetic process from serine    The chemical reactions and pathways resulting in the formation of cysteine from other compounds, including serine.

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