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(-) Description

Title :  ACETYLENE HYDRATASE FROM PELOBACTER ACETYLENICUS
 
Authors :  O. Einsle, P. M. H. Kroneck, G. B. Seiffert, A. Messerschmidt
Date :  15 Jan 07  (Deposition) - 27 Feb 07  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.26
Chains :  Asym./Biol. Unit :  A
Keywords :  Tungstoprotein, Dmso Reductase Family, Iron-Sulfur-Cluster, Lyase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  G. B. Seiffert, G. M. Ullmann, A. Messerschmidt, B. Schink, P. M. H. Kroneck, O. Einsle
Structure Of The Non-Redox-Active Tungsten/[4Fe:4S] Enzyme Acetylene Hydratase
Proc. Natl. Acad. Sci. Usa V. 104 3073 2007
PubMed-ID: 17360611  |  Reference-DOI: 10.1073/PNAS.0610407104
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - ACETYLENE HYDRATASE AHY
    Chains: A
    EC Number: 4.2.1.71
    Organism Scientific: PELOBACTER ACETYLENICUS
    Organism Taxid: 29542
    Strain: WOACY

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (6, 8)

Asymmetric/Biological Unit (6, 8)
No.NameCountTypeFull Name
1ACT1Ligand/IonACETATE ION
2MGD2Ligand/Ion2-AMINO-5,6-DIMERCAPTO-7-METHYL-3,7,8A,9-TETRAHYDRO-8-OXA-1,3,9,10-TETRAAZA-ANTHRACEN-4-ONE GUANOSINEDINUCLEOTIDE
3MPD2Ligand/Ion(4S)-2-METHYL-2,4-PENTANEDIOL
4NA1Ligand/IonSODIUM ION
5SF41Ligand/IonIRON/SULFUR CLUSTER
6W1Ligand/IonTUNGSTEN ION

(-) Sites  (8, 8)

Asymmetric Unit (8, 8)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLU A:404 , ASP A:706 , ACT A:1003 , HOH A:1144 , HOH A:1550 , HOH A:1551BINDING SITE FOR RESIDUE NA A 1001
2AC2SOFTWAREGLU A:404 , THR A:653 , ASP A:706 , TRP A:708 , NA A:1001 , HOH A:1492 , HOH A:1550 , HOH A:1551BINDING SITE FOR RESIDUE ACT A 1003
3AC3SOFTWARECYS A:9 , SER A:11 , CYS A:12 , ILE A:14 , ASN A:15 , CYS A:16 , CYS A:46 , SER A:49 , TRP A:179 , VAL A:180BINDING SITE FOR RESIDUE SF4 A 800
4AC4SOFTWARETHR A:111 , ASN A:114 , ALA A:137 , MET A:140 , CYS A:141 , VAL A:295 , MET A:299 , ALA A:416 , SER A:417 , ASN A:418 , GLY A:422 , TYR A:423 , TYR A:442 , ASP A:443 , GLN A:444 , THR A:447 , ASP A:460 , ARG A:465 , ARG A:606 , GLN A:612 , SER A:613 , CYS A:614 , HIS A:676 , ASP A:699 , LEU A:703 , LEU A:719 , MGD A:802 , W A:803 , HOH A:1048 , HOH A:1051 , HOH A:1054 , HOH A:1055 , HOH A:1079 , HOH A:1155 , HOH A:1209 , HOH A:1224 , HOH A:1251 , HOH A:1496 , HOH A:1862BINDING SITE FOR RESIDUE MGD A 801
5AC5SOFTWAREASP A:13 , LYS A:48 , CYS A:141 , ILE A:170 , GLY A:171 , LYS A:172 , ASN A:173 , HIS A:177 , ASN A:178 , TRP A:179 , LEU A:199 , ASP A:200 , PRO A:201 , ARG A:202 , THR A:204 , LEU A:216 , TYR A:218 , GLY A:219 , ASP A:221 , TRP A:293 , VAL A:295 , SER A:296 , GLN A:300 , PHE A:602 , GLY A:604 , LEU A:605 , ARG A:606 , GLU A:607 , ASP A:608 , ASN A:610 , PHE A:611 , GLN A:612 , ARG A:720 , MGD A:801 , W A:803 , HOH A:1044 , HOH A:1110 , HOH A:1136 , HOH A:1146 , HOH A:1150 , HOH A:1250 , HOH A:1862BINDING SITE FOR RESIDUE MGD A 802
6AC6SOFTWARECYS A:141 , MGD A:801 , MGD A:802 , HOH A:1862BINDING SITE FOR RESIDUE W A 803
7AC7SOFTWAREILE A:14 , ASN A:15 , THR A:39 , THR A:40 , SER A:181 , GLN A:182 , ASP A:185 , PHE A:477BINDING SITE FOR RESIDUE MPD A 1004
8AC8SOFTWAREILE A:14 , PHE A:158 , HOH A:1192 , HOH A:1502 , HOH A:1627BINDING SITE FOR RESIDUE MPD A 1005

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2E7Z)

(-) Cis Peptide Bonds  (3, 3)

Asymmetric/Biological Unit
No.Residues
1Ser A:287 -Pro A:288
2Lys A:405 -Pro A:406
3Gln A:469 -Pro A:470

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2E7Z)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2E7Z)

(-) Exons   (0, 0)

(no "Exon" information available for 2E7Z)

(-) 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:727
 aligned with AHY_PELAE | Q71EW5 from UniProtKB/Swiss-Prot  Length:730

    Alignment length:727
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473       483       493       503       513       523       533       543       553       563       573       583       593       603       613       623       633       643       653       663       673       683       693       703       713       723       
            AHY_PELAE     4 KKHVVCQSCDINCVVEAEVKADGKIQTKSISEPHPTTPPNSICMKSVNADTIRTHKDRVLYPLKNVGSKRGEQRWERISWDQALDEIAEKLKKIIAKYGPESLGVSQTEINQQSEYGTLRRFMNLLGSPNWTSAMYMCIGNTAGVHRVTHGSYSFASFADSNCLLFIGKNLSNHNWVSQFNDLKAALKRGCKLIVLDPRRTKVAEMADIWLPLRYGTDAALFLGMINVIINEQLYDKEFVENWCVGFEELKERVQEYPLDKVAEITGCDAGEIRKAAVMFATESPASIPWAVSTDMQKNSCSAIRAQCILRAIVGSFVNGAEILGAPHSDLVPISKIQMHEALPEEKKKLQLGTETYPFLTYTGMSALEEPSERVYGVKYFHNMGAFMANPTALFTAMATEKPYPVKAFFALASNALMGYANQQNALKGLMNQDLVVCYDQFMTPTAQLADYVLPGDHWLERPVVQPNWEGIPFGNTSQQVVEPAGEAKDEYYFIRELAVRMGLEEHFPWKDRLELINYRISPTGMEWEEYQKQYTYMSKLPDYFGPEGVGVATPSGKVELYSSVFEKLGYDPLPYYHEPLQTEISDPELAKEYPLILFAGLREDSNFQSCYHQPGILRDAEPDPVALLHPKTAQSLGLPSGEWIWVETTHGRLKLLLKHDGAQPEGTIRIPHGRWCPEQEGGPETGFSGAMLHNDAMVLSDDDWNLDPEQGLPNLRGGILAKAYKC 730
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeee........eeeeee.....eeeee.............hhhhhhhhhhhh........eee.........eee.hhhhhhhhhhhhhhhhhhhhh...eeeee.hhhh....hhhhhhhhhhh...eehhhhhhhhhhhhhhhhhhh..eee......eeeee........hhhhhhhhhhhhhh..eeeee....hhhhhhh.eee.....hhhhhhhhhhhhhhhh...hhhhhhhheehhhhhhhhhh..hhhhhhhhhh.hhhhhhhhhhhhhhh..ee....hhhhh..hhhhhhhhhhhhhhhhh......eee........hhhhhhhhhhhhhhhhhhh.....hhhhhhhhhh.hhhhhhhhhh............hhhhhhhhhhhh......eeeee..hhhhh..hhhhhhhhhhh..eeeeee.....hhhhh.eeee..hhhhh...........eee.............hhhhhhhhhhhhh.hhhhh...hhhhhhhhhhhhhh.hhhhhh...eee....................ee..hhhhhhhh................hhhhhhhh.eeeee...............hhhhhhh...eeeehhhhhhhhh.....eeeee....eeeeeeee.......eeee...........hhhhh..hhhhhhhhhhh..hhhhh.........eeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2e7z A   4 KKHVVCQSCDINCVVEAEVKADGKIQTKSISEPHPTTPPNSICMKSVNADTIRTHKDRVLYPLKNVGSKRGEQRWERISWDQALDEIAEKLKKIIAKYGPESLGVSQTEINQQSEYGTLRRFMNLLGSPNWTSAMYMCIGNTAGVHRVTHGSYSFASFADSNCLLFIGKNLSNHNWVSQFNDLKAALKRGCKLIVLDPRRTKVAEMADIWLPLRYGTDAALFLGMINVIINEQLYDKEFVENWCVGFEELKERVQEYPLDKVAEITGCDAGEIRKAAVMFATESPASIPWAVSTDMQKNSCSAIRAQCILRAIVGSFVNGAEILGAPHSDLVPISKIQMHEALPEEKKKLQLGTETYPFLTYTGMSALEEPSERVYGVKYFHNMGAFMANPTALFTAMATEKPYPVKAFFALASNALMGYANQQNALKGLMNQDLVVCYDQFMTPTAQLADYVLPGDHWLERPVVQPNWEGIPFGNTSQQVVEPAGEAKDEYYFIRELAVRMGLEEHFPWKDRLELINYRISPTGMEWEEYQKQYTYMSKLPDYFGPEGVGVATPSGKVELYSSVFEKLGYDPLPYYHEPLQTEISDPELAKEYPLILFAGLREDSNFQSCYHQPGILRDAEPDPVALLHPKTAQSLGLPSGEWIWVETTHGRLKLLLKHDGAQPEGTIRIPHGRWCPEQEGGPETGFSGAMLHNDAMVLSDDDWNLDPEQGLPNLRGGILAKAYKC 730
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473       483       493       503       513       523       533       543       553       563       573       583       593       603       613       623       633       643       653       663       673       683       693       703       713       723
   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  (0, 0)

(no "SCOP Domain" information available for 2E7Z)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2E7Z)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2E7Z)

(-) Gene Ontology  (10, 10)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (AHY_PELAE | Q71EW5)
molecular function
    GO:0051539    4 iron, 4 sulfur cluster binding    Interacting selectively and non-covalently with a 4 iron, 4 sulfur (4Fe-4S) cluster; this cluster consists of four iron atoms, with the inorganic sulfur atoms found between the irons and acting as bridging ligands.
    GO:0018818    acetylene hydratase activity    Catalysis of the reaction: acetaldehyde = acetylene + H(2)O.
    GO:0051536    iron-sulfur cluster binding    Interacting selectively and non-covalently with an iron-sulfur cluster, a combination of iron and sulfur atoms.
    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:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0030151    molybdenum ion binding    Interacting selectively and non-covalently with molybdenum (Mo) ions.
    GO:0043546    molybdopterin cofactor binding    Interacting selectively and non-covalently with the molybdopterin cofactor (Moco), essential for the catalytic activity of some enzymes, e.g. sulfite oxidase, xanthine dehydrogenase, and aldehyde oxidase. The cofactor consists of a mononuclear molybdenum (Mo-molybdopterin) or tungsten ion (W-molybdopterin) coordinated by one or two molybdopterin ligands.
    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.
biological process
    GO:0008152    metabolic process    The chemical reactions and pathways, including anabolism and catabolism, by which living organisms transform chemical substances. Metabolic processes typically transform small molecules, but also include macromolecular processes such as DNA repair and replication, and protein synthesis and degradation.
    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.

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