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(-) Description

Title :  THERMUS THERMOPHILUS ASPARTATE AMINOTRANSFERASE DOUBLE MUTANT 1
 
Authors :  H. Ura, T. Nakai, S. I. Kawaguchi, I. Miyahara, K. Hirotsu, S. Kuramitsu
Date :  07 Jan 99  (Deposition) - 02 Sep 03  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.80
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Aminotransferase, Pyridoxal Enzyme, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  H. Ura, T. Nakai, S. I. Kawaguchi, I. Miyahara, K. Hirotsu, S. Kuramits
Substrate Recognition Mechanism Of Thermophilic Dual-Substrate Enzyme
J. Biochem. (Tokyo) V. 130 89 2001
PubMed-ID: 11432784

(-) Compounds

Molecule 1 - PROTEIN (ASPARTATE AMINOTRANSFERASE)
    Chains: A, B
    EC Number: 2.6.1.1
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Strain: AB1157
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Mutation: YES
    Organism Scientific: THERMUS THERMOPHILUS
    Organism Taxid: 300852
    Strain: HB8

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 4)

Asymmetric/Biological Unit (2, 4)
No.NameCountTypeFull Name
1PLP2Ligand/IonPYRIDOXAL-5'-PHOSPHATE
2PO42Ligand/IonPHOSPHATE ION

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLY A:39 , TRP A:125 , ASN A:175 , TYR A:322 , ARG A:361 , HOH A:603BINDING SITE FOR RESIDUE PO4 A 414
2AC2SOFTWAREGLY B:39 , TRP B:125 , ASN B:175 , TYR B:322 , ARG B:361 , HOH B:1582 , HOH B:1597 , HOH B:1655BINDING SITE FOR RESIDUE PO4 B 414
3AC3SOFTWAREGLY A:99 , GLY A:100 , SER A:101 , TRP A:125 , ASN A:171 , ASN A:175 , ASP A:203 , ILE A:205 , TYR A:206 , ALA A:233 , LYS A:234 , ARG A:242 , HOH A:518 , TYR B:64BINDING SITE FOR RESIDUE PLP A 413
4AC4SOFTWARETYR A:64 , GLY B:99 , GLY B:100 , SER B:101 , TRP B:125 , ASN B:171 , ASN B:175 , ASP B:203 , ILE B:205 , TYR B:206 , ALA B:233 , LYS B:234 , ARG B:242 , HOH B:1518 , HOH B:1597BINDING SITE FOR RESIDUE PLP B 413

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1B5P)

(-) Cis Peptide Bonds  (6, 6)

Asymmetric/Biological Unit
No.Residues
1Ser A:122 -Pro A:123
2Ser A:172 -Pro A:173
3Asn A:175 -Pro A:176
4Ser B:122 -Pro B:123
5Ser B:172 -Pro B:173
6Asn B:175 -Pro B:176

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1B5P)

(-) PROSITE Motifs  (1, 2)

Asymmetric/Biological Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1AA_TRANSFER_CLASS_1PS00105 Aminotransferases class-I pyridoxal-phosphate attachment site.AAT_THET8231-244
 		  2A:231-244
B:231-244

(-) Exons   (0, 0)

(no "Exon" information available for 1B5P)

(-) 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:382
 aligned with AAT_THET8 | Q56232 from UniProtKB/Swiss-Prot  Length:385

    Alignment length:382
                                    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  
            AAT_THET8     1 MRGLSRRVQAMKPSATVAVNAKALELRRQGVDLVALTAGEPDFDTPEHVKEAARRALAQGKTKYAPPAGIPELREALAEKFRRENGLSVTPEETIVTVGGKQALFNLFQAILDPGDEVIVLSPYWVSYPEMVRFAGGVVVEVETLPEEGFVPDPERVRRAITPRTKALVVNSPNNPTGAVYPKEVLEALARLAVEHDFYLVSDEIYEHLLYEGEHFSPGRVAPEHTLTVNGAAKAFAMTGWRIGYACGPKEVIKAMASVSSQSTTSPDTIAQWATLEALTNQEASRAFVEMAREAYRRRRDLLLEGLTALGLKAVRPSGAFYVLMDTSPIAPDEVRAAERLLEAGVAVVPGTDFAAFGHVRLSYATSEENLRKALERFARVL 382
               SCOP domains d1b5pa_ A: Aspartate aminotransferase, AAT                                                                                                                                                                                                                                                                                                                                                     SCOP domains
               CATH domains 1b5pA01 A:1-62,A:282-381 Aspartate Aminotransferase, domain 1 1b5pA02 A:63-281 Type I PLP-dependent aspartate aminotransferase-like (Major domain)                                                                                                                                       1b5pA01 A:1-62,A:282-381 Aspartate Aminotransferase, domain 1                                       - CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....hhhhh....hhhhhhhhhhhhhh..................hhhhhhhhhhhh............hhhhhhhhhhhhh.......hhheeee.hhhhhhhhhhhhh.....eeeeee....hhhhhhhh...eeeeee..hhh.....hhhhhhh....eeeeeee...........hhhhhhhhhhhhh...eeeee..............hhh.....eeeeee.......hhh..eeee..hhhhhhhhhhhh.......hhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhh...........eeeee.......hhhhhhhhhh........hhh....eeeee....hhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------AA_TRANSFER_CL------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1b5p A   1 MRGLSRRVQAMKPSATVAVNAKALELRRQGVDLVALTAGEPDFDTPEHVKEAARRALAQGKTKYAPPAGIPELREALAEKFRRENGLSVTPEETIVTVGGSQALFNLFQAILDPGDEVIVLSPYWVSYPEMVRFAGGVVVEVETLPEEGFVPDPERVRRAITPRTKALVVNSPNNPTGAVYPKEVLEALARLAVEHDFYLVSDEIYEHLLYEGEHFSPGRVAPEHTLTVNGAAKAFAMTGWRIGYACGPKEVIKAMASVSRQSTTSPDTIAQWATLEALTNQEASRAFVEMAREAYRRRRDLLLEGLTALGLKAVRPSGAFYVLMDTSPIAPDEVRAAERLLEAGVAVVPGTDFAAFGHVRLSYATSEENLRKALERFARVL 382
                                    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  


Chain B from PDB  Type:PROTEIN  Length:382
 aligned with AAT_THET8 | Q56232 from UniProtKB/Swiss-Prot  Length:385

    Alignment length:382
                                    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  
            AAT_THET8     1 MRGLSRRVQAMKPSATVAVNAKALELRRQGVDLVALTAGEPDFDTPEHVKEAARRALAQGKTKYAPPAGIPELREALAEKFRRENGLSVTPEETIVTVGGKQALFNLFQAILDPGDEVIVLSPYWVSYPEMVRFAGGVVVEVETLPEEGFVPDPERVRRAITPRTKALVVNSPNNPTGAVYPKEVLEALARLAVEHDFYLVSDEIYEHLLYEGEHFSPGRVAPEHTLTVNGAAKAFAMTGWRIGYACGPKEVIKAMASVSSQSTTSPDTIAQWATLEALTNQEASRAFVEMAREAYRRRRDLLLEGLTALGLKAVRPSGAFYVLMDTSPIAPDEVRAAERLLEAGVAVVPGTDFAAFGHVRLSYATSEENLRKALERFARVL 382
               SCOP domains d1b5pb_ B: Aspartate aminotransferase, AAT                                                                                                                                                                                                                                                                                                                                                     SCOP domains
               CATH domains 1b5pB01 B:1-62,B:282-381 Aspartate Aminotransferase, domain 1 1b5pB02 B:63-281 Type I PLP-dependent aspartate aminotransferase-like (Major domain)                                                                                                                                       1b5pB01 B:1-62,B:282-381 Aspartate Aminotransferase, domain 1                                       - CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....hhhh.....hhhhhhhhhhhhhh..................hhhhhhhhhhhh............hhhhhhhhhhhhhhh.....hhheeee.hhhhhhhhhhhhh.....eeeeee....hhhhhhhhh..eeeeee..hhh.....hhhhhhh....eeeeeee...........hhhhhhhhhhhhhh..eeeee..............hhh.....eeeeee.......hhh..eeee..hhhhhhhhhhhh.......hhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhh...........eeeee.......hhhhhhhhhhh.......hhh....eeeee....hhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------AA_TRANSFER_CL------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1b5p B   1 MRGLSRRVQAMKPSATVAVNAKALELRRQGVDLVALTAGEPDFDTPEHVKEAARRALAQGKTKYAPPAGIPELREALAEKFRRENGLSVTPEETIVTVGGSQALFNLFQAILDPGDEVIVLSPYWVSYPEMVRFAGGVVVEVETLPEEGFVPDPERVRRAITPRTKALVVNSPNNPTGAVYPKEVLEALARLAVEHDFYLVSDEIYEHLLYEGEHFSPGRVAPEHTLTVNGAAKAFAMTGWRIGYACGPKEVIKAMASVSRQSTTSPDTIAQWATLEALTNQEASRAFVEMAREAYRRRRDLLLEGLTALGLKAVRPSGAFYVLMDTSPIAPDEVRAAERLLEAGVAVVPGTDFAAFGHVRLSYATSEENLRKALERFARVL 382
                                    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
   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  (1, 2)

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

(-) CATH Domains  (2, 4)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1B5P)

(-) Gene Ontology  (8, 8)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (AAT_THET8 | Q56232)
molecular function
    GO:0004069    L-aspartate:2-oxoglutarate aminotransferase activity    Catalysis of the reaction: L-aspartate + 2-oxoglutarate = oxaloacetate + L-glutamate.
    GO:0080130    L-phenylalanine:2-oxoglutarate aminotransferase activity    Catalysis of the reaction: L-phenylalanine + 2-oxoglutarate = phenylpyruvate + L-glutamate.
    GO:0003824    catalytic activity    Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic.
    GO:0030170    pyridoxal phosphate binding    Interacting selectively and non-covalently with pyridoxal 5' phosphate, 3-hydroxy-5-(hydroxymethyl)-2-methyl4-pyridine carboxaldehyde 5' phosphate, the biologically active form of vitamin B6.
    GO:0008483    transaminase activity    Catalysis of the transfer of an amino group to an acceptor, usually a 2-oxo acid.
    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:0009058    biosynthetic process    The chemical reactions and pathways resulting in the formation of substances; typically the energy-requiring part of metabolism in which simpler substances are transformed into more complex ones.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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 Related Entries

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

UniProtKB/Swiss-Prot
        AAT_THET8 | Q56232: 1b5o 1bjw 1bkg 1gc3 1gc4 1gck 5bj3 5bj4

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 1B5P)