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(-) Description

Title :  LARGE IMPROVEMENT IN THE THERMAL STABILITY OF A TETRAMERIC MALATE DEHYDROGENASE BY SINGLE POINT MUTATIONS AT THE DIMER-DIMER INTERFACE
 
Authors :  A. Bjork, B. Dalhus, D. Mantzilas, V. G. H. Eijsink, R. Sirevag
Date :  25 Feb 04  (Deposition) - 26 Aug 04  (Release) - 15 Apr 15  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.80
Chains :  Asym. Unit :  A,C
Biol. Unit 1:  A,C  (2x)
Keywords :  Oxidoreductase, Tricarboxylic Acid Cycle, Malate Dehydrogenase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  A. Bjork, B. Dalhus, D. Mantzilas, R. Sirevag, V. G. H. Eijsink
Large Improvement In The Thermal Stability Of A Tetrameric Malate Dehydrogenase By Single Point Mutations At The Dimer Dimer Interface.
J. Mol. Biol. V. 341 1215 2004
PubMed-ID: 15321717  |  Reference-DOI: 10.1016/J.JMB.2004.06.079

(-) Compounds

Molecule 1 - MALATE DEHYDROGENASE
    ChainsA, C
    EC Number1.1.1.37
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    MutationYES
    Organism ScientificCHLOROFLEXUS AURANTIACUS
    Organism Taxid1108

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit AC
Biological Unit 1 (2x)AC

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 20)

Asymmetric Unit (4, 20)
No.NameCountTypeFull Name
1CD10Ligand/IonCADMIUM ION
2CL2Ligand/IonCHLORIDE ION
3NA6Ligand/IonSODIUM ION
4NAD2Ligand/IonNICOTINAMIDE-ADENINE-DINUCLEOTIDE
Biological Unit 1 (1, 4)
No.NameCountTypeFull Name
1CD-1Ligand/IonCADMIUM ION
2CL-1Ligand/IonCHLORIDE ION
3NA-1Ligand/IonSODIUM ION
4NAD4Ligand/IonNICOTINAMIDE-ADENINE-DINUCLEOTIDE

(-) Sites  (20, 20)

Asymmetric Unit (20, 20)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREASP A:200 , ASP A:243 , GLU A:277 , HOH A:2280BINDING SITE FOR RESIDUE CD A1308
02AC2SOFTWAREGLU A:195 , GLU A:281 , HOH A:2206 , GLU C:281 , CL C:1312BINDING SITE FOR RESIDUE CD A1309
03AC3SOFTWAREGLU A:159 , HOH A:2168 , HOH A:2170 , GLU C:159 , HOH C:2219BINDING SITE FOR RESIDUE CD A1310
04AC4SOFTWAREGLU A:178 , CL A:1313 , HOH A:2077 , HOH A:2142BINDING SITE FOR RESIDUE CD A1311
05AC5SOFTWAREASP A:148 , HIS A:175 , HOH A:2162 , HOH A:2185 , HOH A:2314BINDING SITE FOR RESIDUE CD A1312
06AC6SOFTWAREASP A:123 , ALA A:124 , THR A:302 , CD A:1311BINDING SITE FOR RESIDUE CL A1313
07AC7SOFTWAREHIS A:19 , HOH A:2008BINDING SITE FOR RESIDUE NA A1314
08AC8SOFTWARETYR A:226 , HOH A:2007BINDING SITE FOR RESIDUE NA A1315
09AC9SOFTWAREARG A:2 , LYS A:3 , LEU A:26 , HOH C:2258BINDING SITE FOR RESIDUE NA A1316
10BC1SOFTWAREHOH A:2052 , HOH A:2054 , HOH A:2247 , HOH A:2250 , HOH A:2251 , HOH C:2176BINDING SITE FOR RESIDUE CD A1317
11BC2SOFTWAREHOH A:2078 , HOH A:2079 , HOH A:2184 , HOH A:2188BINDING SITE FOR RESIDUE NA A1318
12BC3SOFTWARETYR C:226 , HOH C:2250 , HOH C:2251BINDING SITE FOR RESIDUE NA A1319
13BC4SOFTWAREASP C:148 , HIS C:175 , HOH C:2153 , HOH C:2156 , HOH C:2159BINDING SITE FOR RESIDUE CD C1310
14BC5SOFTWAREGLU C:178 , HOH C:2136 , HOH C:2139 , HOH C:2190BINDING SITE FOR RESIDUE CD C1311
15BC6SOFTWAREGLU A:281 , CD A:1309 , HOH A:2204 , GLU C:281BINDING SITE FOR RESIDUE CL C1312
16BC7SOFTWAREHOH A:2178 , HOH C:2047 , HOH C:2048 , HOH C:2050 , HOH C:2253 , HOH C:2254BINDING SITE FOR RESIDUE CD C1313
17BC8SOFTWAREHOH C:2129 , HOH C:2204 , HOH C:2207 , HOH C:2270 , HOH C:2289 , HOH C:2290BINDING SITE FOR RESIDUE CD C1314
18BC9SOFTWAREASP A:243BINDING SITE FOR RESIDUE NA C1315
19CC1SOFTWAREGLY A:9 , GLY A:11 , PHE A:12 , VAL A:13 , ASP A:33 , ILE A:34 , VAL A:35 , TYR A:65 , THR A:77 , SER A:78 , GLY A:79 , ALA A:80 , ILE A:98 , CYS A:102 , VAL A:118 , ASN A:119 , ASN A:120 , GLN A:143 , LEU A:147 , HIS A:175 , PRO A:229 , HOH A:2075 , HOH A:2244 , HOH A:2312 , HOH A:2313 , HOH A:2314 , HOH A:2315 , HOH A:2316 , HOH A:2317 , HOH A:2318 , HOH A:2319 , HOH A:2320BINDING SITE FOR RESIDUE NAD A1307
20CC2SOFTWAREGLY C:9 , GLY C:11 , PHE C:12 , VAL C:13 , ASP C:33 , ILE C:34 , VAL C:35 , TYR C:65 , THR C:77 , SER C:78 , GLY C:79 , ALA C:80 , ILE C:98 , CYS C:102 , VAL C:118 , ASN C:120 , GLN C:143 , LEU C:147 , HIS C:175 , PRO C:229 , HOH C:2069 , HOH C:2153 , HOH C:2246 , HOH C:2247 , HOH C:2319 , HOH C:2320 , HOH C:2321 , HOH C:2322BINDING SITE FOR RESIDUE NAD C1309

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
No.Residues
1Asn A:120 -Pro A:121
2Asn C:120 -Pro C:121

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 1UXK)

(-) 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:296
 aligned with MDH_CHLAA | P80040 from UniProtKB/Swiss-Prot  Length:309

    Alignment length:307
                                    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       
            MDH_CHLAA     1 MRKKISIIGAGFVGSTTAHWLAAKELGDIVLLDFVEGVPQGKALDLYEASPIEGFDVRVTGTNNYADTANSDVIVVTSGAPRKPGMSREDLIKVNADITRACISQAAPLSPNAVIIMVNNPLDAMTYLAAEVSGFPKERVIGQAGVLDAARYRTFIAMEAGVSVEDVQAMLMGGHGDEMVPLPRFSTISGIPVSEFIAPDRLAQIVERTRKGGGEIVNLLKTGSAYYAPAAATAQMVEAVLKDKKRVMPVAAYLTGQYGLNDIYFGVPVILGAGGVEKILELPLNEEEMALLNASAKAVRATLDTLK 307
               SCOP domains -d1uxka1 A:2-143 Malate dehydrogenase                                                                                                          d1uxka2 A:144-307 Malate dehydrogenase                                                                                                                               SCOP domains
               CATH domains 1uxkA01 A:1-144 NAD(P)-binding Rossmann-like Domain                                                                                             1uxkA02 A:145-305 L-2-Hydroxyisocaproate Dehydrogenase, subunit A, domain 2                                                                                      -- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeee..hhhhhhhhhhhhhh...eeeee....hhhhhhhhhhhhhhhhhh....eeee.hhhhhh...eeee....-----------hhhhhhhhhhhhhhhhhhh...eeee...hhhhhhhhhhhhhh.hhh.eee.hhhhhhhhhhhhhhhhhh.hhh.eee..ee.hhh.ee.hhh.eee..ee.hhh.hhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhh...eeeeeeeeee.hhh.eeeeeeeeeeee..eeeee.....hhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1uxk A   1 MRKKISIIGAGFVGSTTAHWLAAKELGDIVLLDIVEGVPQGKALDLYEASPIEGFDVRVTGTNNYADTANSDVIVVTSGA-----------IKVNADITRACISQAAPLSPNAVIIMVNNPLDAMTYLAAEVSGFPKERVIGQAGVLDAARYRTFIAMEAGVSVQDVQAMLMGGHGDEMVPLPRFSTISGIPVSEFIAPDRLAQIVERTRKGGGEIVNLLKTGSAYYAPAAATAQMVEAVLKDKKRVMPVAAYLTGQYGLNDIYFGVPVILGAGGVEKILELPLNEEEMALLNASAKAVRATLDTLK 307
                                    10        20        30        40        50        60        70        80         - |     100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       
                                                                                                          80          92                                                                                                                                                                                                                       

Chain C from PDB  Type:PROTEIN  Length:301
 aligned with MDH_CHLAA | P80040 from UniProtKB/Swiss-Prot  Length:309

    Alignment length:308
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301        
            MDH_CHLAA     2 RKKISIIGAGFVGSTTAHWLAAKELGDIVLLDFVEGVPQGKALDLYEASPIEGFDVRVTGTNNYADTANSDVIVVTSGAPRKPGMSREDLIKVNADITRACISQAAPLSPNAVIIMVNNPLDAMTYLAAEVSGFPKERVIGQAGVLDAARYRTFIAMEAGVSVEDVQAMLMGGHGDEMVPLPRFSTISGIPVSEFIAPDRLAQIVERTRKGGGEIVNLLKTGSAYYAPAAATAQMVEAVLKDKKRVMPVAAYLTGQYGLNDIYFGVPVILGAGGVEKILELPLNEEEMALLNASAKAVRATLDTLKSL 309
               SCOP domains d1uxkc1 C:2-143 Malate dehydrogenase                                                                                                          d1uxkc2 C:144-307 Malate dehydrogenase                                                                                                                              -- SCOP domains
               CATH domains 1uxkC01 C:2-144 NAD(P)-binding Rossmann-like Domain                                                                                            1uxkC02 C:145-305 L-2-Hydroxyisocaproate Dehydrogenase, subunit A, domain 2                                                                                      ---- CATH domains
           Pfam domains (1) -Ldh_1_N-1uxkC03 C:3-143                                                                                                                      -Ldh_1_C-1uxkC01 C:145-309                                                                                                                                             Pfam domains (1)
           Pfam domains (2) -Ldh_1_N-1uxkC04 C:3-143                                                                                                                      -Ldh_1_C-1uxkC02 C:145-309                                                                                                                                             Pfam domains (2)
         Sec.struct. author ..eeeee..hhhhhhhhhhhhhh...eeeee....hhhhhhhhhhhhhhhhhh....eeee.hhhhhh...eeee....-------.hhhhhhhhhhhhhhhhhhhhhh...eeee...hhhhhhhhhhhhhh.hhh.eee.hhhhhhhhhhhhhhhhhh.hhh.eee..ee.hhh.ee.hhh.eee..ee.hhh.hhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhh...eeeeeeeeee.hhh.eeeeeeeeeeee..eeeee.....hhhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1uxk C   2 RKKISIIGAGFVGSTTAHWLAAKELGDIVLLDIVEGVPQGKALDLYEASPIEGFDVRVTGTNNYADTANSDVIVVTSGA-------REDLIKVNADITRACISQAAPLSPNAVIIMVNNPLDAMTYLAAEVSGFPKERVIGQAGVLDAARYRTFIAMEAGVSVQDVQAMLMGGHGDEMVPLPRFSTISGIPVSEFIAPDRLAQIVERTRKGGGEIVNLLKTGSAYYAPAAATAQMVEAVLKDKKRVMPVAAYLTGQYGLNDIYFGVPVILGAGGVEKILELPLNEEEMALLNASAKAVRATLDTLKSL 309
                                    11        21        31        41        51        61        71        |-      | 91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301        
                                                                                                         80      88                                                                                                                                                                                                                             

   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  (2, 4)

Asymmetric Unit

(-) CATH Domains  (2, 4)

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

(-) Pfam Domains  (2, 4)

Asymmetric Unit
(-)
Clan: LDH_C (56)

(-) Gene Ontology  (8, 8)

Asymmetric Unit(hide GO term definitions)
Chain A,C   (MDH_CHLAA | P80040)
molecular function
    GO:0030060    L-malate dehydrogenase activity    Catalysis of the reaction: (S)-malate + NAD+ = oxaloacetate + NADH + H+.
    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:0016491    oxidoreductase activity    Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced.
    GO:0016616    oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor    Catalysis of an oxidation-reduction (redox) reaction in which a CH-OH group acts as a hydrogen or electron donor and reduces NAD+ or NADP.
biological process
    GO:0005975    carbohydrate metabolic process    The chemical reactions and pathways involving carbohydrates, any of a group of organic compounds based of the general formula Cx(H2O)y. Includes the formation of carbohydrate derivatives by the addition of a carbohydrate residue to another molecule.
    GO:0019752    carboxylic acid metabolic process    The chemical reactions and pathways involving carboxylic acids, any organic acid containing one or more carboxyl (COOH) groups or anions (COO-).
    GO:0055114    oxidation-reduction process    A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
    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.

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 Related Entries

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

UniProtKB/Swiss-Prot
        MDH_CHLAA | P800401guy 1ur5 1uxg 1uxh 1uxi 1uxj 4cl3

(-) Related Entries Specified in the PDB File

1guy STRUCTURAL BASIS FOR THERMOPHILIC PROTEIN STABILITY: STRUCTURES OF THERMOPHILIC AND MESOPHILIC MALATE DEHYDROGENASES
1ur5 STABILIZATION OF A TETRAMERIC MALATE DEHYDROGENASE BY INTRODUCTION OF A DISULFIDE BRIDGE AT THE DIMER-DIMER INTERFACE
1uxg STRUCTURAL BASIS FOR THERMOPHILIC PROTEIN STABILITY: STRUCTURES OF THERMOPHILIC AND MESOPHILIC MALATE DEHYDROGENASES
1uxh STRUCTURAL BASIS FOR THERMOPHILIC PROTEIN STABILITY: STRUCTURES OF THERMOPHILIC AND MESOPHILIC MALATE DEHYDROGENASES
1uxi STRUCTURAL BASIS FOR THERMOPHILIC PROTEIN STABILITY: STRUCTURES OF THERMOPHILIC AND MESOPHILIC MALATE DEHYDROGENASES
1uxj STRUCTURAL BASIS FOR THERMOPHILIC PROTEIN STABILITY: STRUCTURES OF THERMOPHILIC AND MESOPHILIC MALATE DEHYDROGENASES