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(-) Description

Title :  NATIVE L-ASPARTATE AMMONIA LYASE
 
Authors :  W. Shi, J. Dunbar, G. K. Farber
Date :  19 Feb 97  (Deposition) - 16 Jun 97  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.70
Chains :  Asym./Biol. Unit :  A,B,C,D
Keywords :  Amino Acid Ammonia-Lyase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  W. Shi, J. Dunbar, M. M. Jayasekera, R. E. Viola, G. K. Farber
The Structure Of L-Aspartate Ammonia-Lyase From Escherichia Coli.
Biochemistry V. 36 9136 1997
PubMed-ID: 9230045  |  Reference-DOI: 10.1021/BI9704515
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - L-ASPARTATE AMMONIA-LYASE
    Chains: A, B, C, D
    EC Number: 4.3.1.1
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 37762
    Strain: B
    Synonym: L-ASPARTASE

 Structural Features

(-) Chains, Units

  1234
Asymmetric/Biological Unit : ABCD

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 3)

Asymmetric/Biological Unit (2, 3)
No.NameCountTypeFull Name
1ACT1Ligand/IonACETATE ION
2BGC2Ligand/IonBETA-D-GLUCOSE

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLU A:388 , HOH A:711BINDING SITE FOR RESIDUE BGC A 601
2AC2SOFTWAREGLY C:123BINDING SITE FOR RESIDUE ACT A 701
3AC3SOFTWAREASP B:165 , ILE D:426BINDING SITE FOR RESIDUE BGC B 701

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1JSW)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (1, 4)

Asymmetric/Biological Unit (1, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1FUMARATE_LYASESPS00163 Fumarate lyases signature.ASPA_ECOLI320-329
 
 
 		  4A:320-329
B:320-329
C:320-329
D:320-329

(-) Exons   (0, 0)

(no "Exon" information available for 1JSW)

(-) 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:459
 aligned with ASPA_ECOLI | P0AC38 from UniProtKB/Swiss-Prot  Length:478

    Alignment length:459
                                    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         
           ASPA_ECOLI     1 MSNNIRIEEDLLGTREVPADAYYGVHTLRAIENFYISNNKISDIPEFVRGMVMVKKAAAMANKELQTIPKSVANAIIAACDEVLNNGKCMDQFPVDVYQGGAGTSVNMNTNEVLANIGLELMGHQKGEYQYLNPNDHVNKCQSTNDAYPTGFRIAVYSSLIKLVDAINQLREGFERKAVEFQDILKMGRTQLQDAVPMTLGQEFRAFSILLKEEVKNIQRTAELLLEVNLGATAIGTGLNTPKEYSPLAVKKLAEVTGFPCVPAEDLIEATSDCGAYVMVHGALKRLAVKMSKICNDLRLLSSGPRAGLNEINLPELQAGSSIMPAKVNPVVPEVVNQVCFKVIGNDTTVTMAAEAGQLQLNVMEPVIGQAMFESVHILTNACYNLLEKCINGITANKEVCEGYVYNSIGIVTYLNPFIGHHNGDIVGKICAETGKSVREVVLERGLLTEAELDDIFSV 459
               SCOP domains d1jswa_ A: L-aspartate ammonia lyase                                                                                                                                                                                                                                                                                                                                                                                                                                        SCOP domains
               CATH domains -----1jswA01 A:6-142 Fumarase/aspartase (N-terminal domain)                                                                                   1jswA02 A:143-410 Fumarase/aspartase (Central domain)                                                                                                                                                                                                                       1jswA03 A:411-459                                 CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eeeee....eeeee......hhhhhhhhh.............hhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhh....................hhhhhhhhhhhhhhhhhhh.....................hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.eee..hhh....eeehhhhhhhhhhhhhhhhhhhhhhhhh....................hhhhhhhhhhhh..................hhhhhhhhhhhhhhhhhhhhhhhhhhhh............................hhhhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhhhhh.hhh....hhhhhhhh..........hhhh.hhhhhhhhhhhh.....hhhhhhhh.....hhhh..... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------FUMARATE_L---------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1jsw A   1 MSNNIRIEEDLLGTREVPADAYYGVHTLRAIENFYISNNKISDIPEFVRGMVMVKKAAAMANKELQTIPKSVANAIIAACDEVLNNGKCMDQFPVDVYQGGAGTSVNMNTNEVLANIGLELMGHQKGEYQYLNPNDHVNKCQSTNDAYPTGFRIAVYSSLIKLVDAINQLREGFERKAVEFQDILKMGRTQLQDAVPMTLGQEFRAFSILLKEEVKNIQRTAELLLEVNLGATAIGTGLNTPKEYSPLAVKKLAEVTGFPCVPAEDLIEATSDCGAYVMVHGALKRLAVKMSKICNDLRLLSSGPRAGLNEINLPELQAGSSIMPAKVNPVVPEVVNQVCFKVIGNDTTVTMAAEAGQLQLNVMEPVIGQAMFESVHILTNACYNLLEKCINGITANKEVCEGYVYNSIGIVTYLNPFIGHHNGDIVGKICAETGKSVREVVLERGLLTEAELDDIFSV 459
                                    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         


Chain B from PDB  Type:PROTEIN  Length:460
 aligned with ASPA_ECOLI | P0AC38 from UniProtKB/Swiss-Prot  Length:478

    Alignment length:460
                                    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
           ASPA_ECOLI     1 MSNNIRIEEDLLGTREVPADAYYGVHTLRAIENFYISNNKISDIPEFVRGMVMVKKAAAMANKELQTIPKSVANAIIAACDEVLNNGKCMDQFPVDVYQGGAGTSVNMNTNEVLANIGLELMGHQKGEYQYLNPNDHVNKCQSTNDAYPTGFRIAVYSSLIKLVDAINQLREGFERKAVEFQDILKMGRTQLQDAVPMTLGQEFRAFSILLKEEVKNIQRTAELLLEVNLGATAIGTGLNTPKEYSPLAVKKLAEVTGFPCVPAEDLIEATSDCGAYVMVHGALKRLAVKMSKICNDLRLLSSGPRAGLNEINLPELQAGSSIMPAKVNPVVPEVVNQVCFKVIGNDTTVTMAAEAGQLQLNVMEPVIGQAMFESVHILTNACYNLLEKCINGITANKEVCEGYVYNSIGIVTYLNPFIGHHNGDIVGKICAETGKSVREVVLERGLLTEAELDDIFSVQ 460
               SCOP domains d1jswb_ B: L-aspartate ammonia lyase                                                                                                                                                                                                                                                                                                                                                                                                                                         SCOP domains
               CATH domains -----1jswB01 B:6-142 Fumarase/aspartase (N-terminal domain)                                                                                   1jswB02 B:143-410 Fumarase/aspartase (Central domain)                                                                                                                                                                                                                       1jswB03 B:411-460                                  CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .......eee..eee.........hhhhhhhhh..............hhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhh...................hhhhhhhhhhhhhhhhhh......................hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...eee..hhh....eeehhhhhhhhhhhhhhhhhhhhhhhhh....................hhhhhhhhhhhhh..................hhhhhhhhhhhhhhhhhhhhhhhhhh....................hhh......hhhhhhhhhhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhhhhhh........hhhhhhhh....hhhhhhhhhh.hhhhhhhhhhhhhh...hhhhhhhh....hhhhhh..... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------FUMARATE_L----------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1jsw B   1 MSNNIRIEEDLLGTREVPADAYYGVHTLRAIENFYISNNKISDIPEFVRGMVMVKKAAAMANKELQTIPKSVANAIIAACDEVLNNGKCMDQFPVDVYQGGAGTSVNMNTNEVLANIGLELMGHQKGEYQYLNPNDHVNKCQSTNDAYPTGFRIAVYSSLIKLVDAINQLREGFERKAVEFQDILKMGRTQLQDAVPMTLGQEFRAFSILLKEEVKNIQRTAELLLEVNLGATAIGTGLNTPKEYSPLAVKKLAEVTGFPCVPAEDLIEATSDCGAYVMVHGALKRLAVKMSKICNDLRLLSSGPRAGLNEINLPELQAGSSIMPAKVNPVVPEVVNQVCFKVIGNDTTVTMAAEAGQLQLNVMEPVIGQAMFESVHILTNACYNLLEKCINGITANKEVCEGYVYNSIGIVTYLNPFIGHHNGDIVGKICAETGKSVREVVLERGLLTEAELDDIFSVQ 460
                                    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


Chain C from PDB  Type:PROTEIN  Length:413
 aligned with ASPA_ECOLI | P0AC38 from UniProtKB/Swiss-Prot  Length:478

    Alignment length:413
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404       414   
           ASPA_ECOLI     5 IRIEEDLLGTREVPADAYYGVHTLRAIENFYISNNKISDIPEFVRGMVMVKKAAAMANKELQTIPKSVANAIIAACDEVLNNGKCMDQFPVDVYQGGAGTSVNMNTNEVLANIGLELMGHQKGEYQYLNPNDHVNKCQSTNDAYPTGFRIAVYSSLIKLVDAINQLREGFERKAVEFQDILKMGRTQLQDAVPMTLGQEFRAFSILLKEEVKNIQRTAELLLEVNLGATAIGTGLNTPKEYSPLAVKKLAEVTGFPCVPAEDLIEATSDCGAYVMVHGALKRLAVKMSKICNDLRLLSSGPRAGLNEINLPELQAGSSIMPAKVNPVVPEVVNQVCFKVIGNDTTVTMAAEAGQLQLNVMEPVIGQAMFESVHILTNACYNLLEKCINGITANKEVCEGYVYNSIGIVTYLNP 417
               SCOP domains d1jswc_ C: L-aspartate ammonia lyase                                                                                                                                                                                                                                                                                                                                                                                          SCOP domains
               CATH domains -1jswC01 C:6-142 Fumarase/aspartase (N-terminal domain)                                                                                   1jswC02 C:143-410 Fumarase/aspartase (Central domain)                                                                                                                                                                                                                       ------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....................hhhhhhhhh.............hhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhh.................hhhhhhhhhhhhhhhhhhh...........hhhh......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh................hhhhhhhhhhhhhhhhhhhhhhhhhh...................hhhhhhhhhhhhh.................hhhhhhhhhhhhhhhhhhhhhhhhhhh.............................hhhhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhhhhh.hhh.....hhhhhhhh....hhh.... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------FUMARATE_L---------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1jsw C   5 IRIEEDLLGTREVPADAYYGVHTLRAIENFYISNNKISDIPEFVRGMVMVKKAAAMANKELQTIPKSVANAIIAACDEVLNNGKCMDQFPVDVYQGGAGTSVNMNTNEVLANIGLELMGHQKGEYQYLNPNDHVNKCQSTNDAYPTGFRIAVYSSLIKLVDAINQLREGFERKAVEFQDILKMGRTQLQDAVPMTLGQEFRAFSILLKEEVKNIQRTAELLLEVNLGATAIGTGLNTPKEYSPLAVKKLAEVTGFPCVPAEDLIEATSDCGAYVMVHGALKRLAVKMSKICNDLRLLSSGPRAGLNEINLPELQAGSSIMPAKVNPVVPEVVNQVCFKVIGNDTTVTMAAEAGQLQLNVMEPVIGQAMFESVHILTNACYNLLEKCINGITANKEVCEGYVYNSIGIVTYLNP 417
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404       414   


Chain D from PDB  Type:PROTEIN  Length:459
 aligned with ASPA_ECOLI | P0AC38 from UniProtKB/Swiss-Prot  Length:478

    Alignment length:459
                                    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         
           ASPA_ECOLI     1 MSNNIRIEEDLLGTREVPADAYYGVHTLRAIENFYISNNKISDIPEFVRGMVMVKKAAAMANKELQTIPKSVANAIIAACDEVLNNGKCMDQFPVDVYQGGAGTSVNMNTNEVLANIGLELMGHQKGEYQYLNPNDHVNKCQSTNDAYPTGFRIAVYSSLIKLVDAINQLREGFERKAVEFQDILKMGRTQLQDAVPMTLGQEFRAFSILLKEEVKNIQRTAELLLEVNLGATAIGTGLNTPKEYSPLAVKKLAEVTGFPCVPAEDLIEATSDCGAYVMVHGALKRLAVKMSKICNDLRLLSSGPRAGLNEINLPELQAGSSIMPAKVNPVVPEVVNQVCFKVIGNDTTVTMAAEAGQLQLNVMEPVIGQAMFESVHILTNACYNLLEKCINGITANKEVCEGYVYNSIGIVTYLNPFIGHHNGDIVGKICAETGKSVREVVLERGLLTEAELDDIFSV 459
               SCOP domains d1jswd_ D: L-aspartate ammonia lyase                                                                                                                                                                                                                                                                                                                                                                                                                                        SCOP domains
               CATH domains -----1jswD01 D:6-142 Fumarase/aspartase (N-terminal domain)                                                                                   1jswD02 D:143-410 Fumarase/aspartase (Central domain)                                                                                                                                                                                                                       1jswD03 D:411-459                                 CATH domains
           Pfam domains (1) ------------Lyase_1-1jswD05 D:13-345                                                                                                                                                                                                                                                                                                                     -----------------------------------------------------------------FumaraseC_C-1jswD01 D:411-459                     Pfam domains (1)
           Pfam domains (2) ------------Lyase_1-1jswD06 D:13-345                                                                                                                                                                                                                                                                                                                     -----------------------------------------------------------------FumaraseC_C-1jswD02 D:411-459                     Pfam domains (2)
           Pfam domains (3) ------------Lyase_1-1jswD07 D:13-345                                                                                                                                                                                                                                                                                                                     -----------------------------------------------------------------FumaraseC_C-1jswD03 D:411-459                     Pfam domains (3)
           Pfam domains (4) ------------Lyase_1-1jswD08 D:13-345                                                                                                                                                                                                                                                                                                                     -----------------------------------------------------------------FumaraseC_C-1jswD04 D:411-459                     Pfam domains (4)
         Sec.struct. author .....eeee....eeee.......hhhhhhhh...............hhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhh....hhh.........hhhhhhhhhhhhhhhhhhhhhh.....................hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh....eeeeee..eeeeeeehhhhhhhhhhhhhhhhhhhhhhhhhhh..................hhhhhhhhhhhhh..................hhhhhhhhhhhhhhhhhhhhhhhhhh.............................hhhhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhh.hhhhhhhhhhh.hhhhhhhhhhhhhh...hhhhhhh.....hhhhhh.... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------FUMARATE_L---------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1jsw D   1 MSNNIRIEEDLLGTREVPADAYYGVHTLRAIENFYISNNKISDIPEFVRGMVMVKKAAAMANKELQTIPKSVANAIIAACDEVLNNGKCMDQFPVDVYQGGAGTSVNMNTNEVLANIGLELMGHQKGEYQYLNPNDHVNKCQSTNDAYPTGFRIAVYSSLIKLVDAINQLREGFERKAVEFQDILKMGRTQLQDAVPMTLGQEFRAFSILLKEEVKNIQRTAELLLEVNLGATAIGTGLNTPKEYSPLAVKKLAEVTGFPCVPAEDLIEATSDCGAYVMVHGALKRLAVKMSKICNDLRLLSSGPRAGLNEINLPELQAGSSIMPAKVNPVVPEVVNQVCFKVIGNDTTVTMAAEAGQLQLNVMEPVIGQAMFESVHILTNACYNLLEKCINGITANKEVCEGYVYNSIGIVTYLNPFIGHHNGDIVGKICAETGKSVREVVLERGLLTEAELDDIFSV 459
                                    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
   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, 4)

Asymmetric/Biological Unit
(-)
Class: All alpha proteins (14657)

(-) CATH Domains  (3, 11)

Asymmetric/Biological Unit
(-)
Class: Mainly Alpha (13335)

(-) Pfam Domains  (2, 8)

Asymmetric/Biological Unit
(-)
Clan: no clan defined [family: FumaraseC_C] (10)
(-)
Clan: no clan defined [family: Lyase_1] (27)

(-) Gene Ontology  (12, 12)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B,C,D   (ASPA_ECOLI | P0AC38)
molecular function
    GO:0008797    aspartate ammonia-lyase activity    Catalysis of the reaction: L-aspartate = fumarate + NH3.
    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:0016829    lyase activity    Catalysis of the cleavage of C-C, C-O, C-N and other bonds by other means than by hydrolysis or oxidation, or conversely adding a group to a double bond. They differ from other enzymes in that two substrates are involved in one reaction direction, but only one in the other direction. When acting on the single substrate, a molecule is eliminated and this generates either a new double bond or a new ring.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
biological process
    GO:0006531    aspartate metabolic process    The chemical reactions and pathways involving aspartate, the anion derived from aspartic acid, 2-aminobutanedioic acid.
    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:0006106    fumarate metabolic process    The chemical reactions and pathways involving fumarate, the anion of trans-1,2-ethenedicarboxylic acid, the diastereoisomer of maleate. It is a key intermediate in metabolism and is formed in the TCA cycle from succinate and converted into malate.
    GO:0006108    malate metabolic process    The chemical reactions and pathways involving malate, the anion of hydroxybutanedioic acid, a chiral hydroxydicarboxylic acid. The (+) enantiomer is an important intermediate in metabolism as a component of both the TCA cycle and the glyoxylate cycle.
    GO:0051262    protein tetramerization    The formation of a protein tetramer, a macromolecular structure consisting of four noncovalently associated identical or nonidentical subunits.
    GO:0006099    tricarboxylic acid cycle    A nearly universal metabolic pathway in which the acetyl group of acetyl coenzyme A is effectively oxidized to two CO2 and four pairs of electrons are transferred to coenzymes. The acetyl group combines with oxaloacetate to form citrate, which undergoes successive transformations to isocitrate, 2-oxoglutarate, succinyl-CoA, succinate, fumarate, malate, and oxaloacetate again, thus completing the cycle. In eukaryotes the tricarboxylic acid is confined to the mitochondria. See also glyoxylate cycle.
cellular component
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.

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