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(-) Description

Title :  AFLATOXIN ALDEHYDE REDUCTASE (AKR7A1) FROM RAT LIVER
 
Authors :  E. Kozma, E. Brown, E. M. Ellis, A. J. Lapthorn
Date :  08 Feb 02  (Deposition) - 27 Jun 02  (Release) - 21 Sep 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.38
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Oxidoreductase, Aldo-Keto Reductase, Aflatoxin B1, Succinic Semialdehyde Oxidoreductase, Akr7 Family (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  E. Kozma, E. Brown, E. M. Ellis, A. J. Lapthorn
The Crystal Structure Of Rat Liver Akr7A1: A Dimeric Member Of The Aldo-Keto Reductase Superfamily
J. Biol. Chem. V. 277 16285 2002
PubMed-ID: 11839745  |  Reference-DOI: 10.1074/JBC.M110808200
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - AFLATOXIN B1 ALDEHYDE REDUCTASE MEMBER 3
    ChainsA, B
    EC Number1.-.-.-
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET15B
    Expression System StrainBL21
    Expression System Taxid511693
    OrganLIVER
    Organism CommonNORWAY RAT
    Organism ScientificRATTUS NORVEGICUS
    Organism Taxid10116
    SynonymAFLATOXIN B1 ALDEHYDE REDUCTASE, AFLATOXIN ALDEHYDE REDUCTASE, AKR7A1, AFB1-AR, B1 ALDEHYDE REDUCTASE MEMBER 1, RAFAR1

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 14)

Asymmetric/Biological Unit (3, 14)
No.NameCountTypeFull Name
1CIT1Ligand/IonCITRIC ACID
2GOL12Ligand/IonGLYCEROL
3NAP1Ligand/IonNADP NICOTINAMIDE-ADENINE-DINUCLEOTIDEPHOSPHATE

(-) Sites  (14, 14)

Asymmetric Unit (14, 14)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREGLY A:11 , ALA A:12 , MET A:13 , ARG A:18 , ASP A:40 , TYR A:45 , SER A:139 , ASN A:140 , GLN A:165 , PHE A:193 , ASN A:194 , PRO A:195 , LEU A:196 , ALA A:197 , GLY A:198 , GLY A:199 , ARG A:204 , SER A:217 , ARG A:218 , TYR A:228 , ILE A:260 , ILE A:282 , LEU A:283 , GLY A:284 , SER A:286 , GLN A:290 , GLN A:293 , ASN A:294 , ARG A:327 , CIT A:1331 , HOH A:2128 , HOH A:2131 , HOH A:2185 , HOH A:2186 , HOH A:2187BINDING SITE FOR RESIDUE NAP A1328
02AC2SOFTWAREMET A:13 , TYR A:45 , MET A:77 , HIS A:109 , PHE A:224 , TYR A:228 , ARG A:231 , ARG A:327 , NAP A:1328 , HOH A:2182BINDING SITE FOR RESIDUE CIT A1331
03AC3SOFTWAREHIS A:113 , GLU A:145 , GLU A:148 , HOH A:2072 , HOH A:2188 , HOH A:2189 , HOH A:2190 , HIS B:185BINDING SITE FOR RESIDUE GOL A1329
04AC4SOFTWAREPHE A:180 , ARG A:184 , LEU A:188 , GLN A:272 , ASP A:279 , HOH A:2116 , HOH A:2191BINDING SITE FOR RESIDUE GOL A1330
05AC5SOFTWAREMET B:77 , PHE B:78 , GOL B:1334BINDING SITE FOR RESIDUE GOL B1328
06AC6SOFTWAREARG B:88 , PHE B:89 , GLU B:92 , THR B:93 , HOH B:2117 , HOH B:2305BINDING SITE FOR RESIDUE GOL B1329
07AC7SOFTWAREPHE B:180 , ARG B:184 , LEU B:188 , GLN B:272 , GLN B:277 , ASP B:279 , HOH B:2306BINDING SITE FOR RESIDUE GOL B1330
08AC8SOFTWAREGLY B:62 , ARG B:63 , CYS B:66 , ARG B:102 , ASP B:104 , HOH B:2079BINDING SITE FOR RESIDUE GOL B1331
09AC9SOFTWAREPRO B:84 , ALA B:85 , ARG B:88 , GLN B:126 , HOH B:2307 , HOH B:2308BINDING SITE FOR RESIDUE GOL B1332
10BC1SOFTWAREGLU B:38 , LYS B:69 , ASP B:104 , LEU B:105 , ARG B:189 , TYR B:191 , HOH B:2042 , HOH B:2133BINDING SITE FOR RESIDUE GOL B1333
11BC2SOFTWAREARG B:17 , VAL B:44 , ALA B:46 , ASN B:47 , PHE B:78 , GLU B:300 , GOL B:1328 , HOH B:2310 , HOH B:2311BINDING SITE FOR RESIDUE GOL B1334
12BC3SOFTWAREHIS B:125 , HIS B:128 , GLN B:129 , GLY B:157 , ILE B:159 , HOH B:2082BINDING SITE FOR RESIDUE GOL B1335
13BC4SOFTWAREHIS A:185 , HIS B:113 , GLU B:145 , GLU B:148 , HOH B:2143 , HOH B:2150 , HOH B:2312 , HOH B:2313BINDING SITE FOR RESIDUE GOL B1336
14BC5SOFTWARETRP B:266 , HIS B:270 , VAL B:308 , ASP B:312 , HOH B:2246BINDING SITE FOR RESIDUE GOL B1337

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (7, 14)

Asymmetric/Biological Unit (7, 14)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1ENSRNOT000000241601ENSRNOE00000171926chr5:158139986-158140251266ARK73_RAT1-68682A:4-68
B:4-68
65
65
1.2ENSRNOT000000241602ENSRNOE00000172095chr5:158142713-158142900188ARK73_RAT68-130632A:68-130
B:68-130
63
63
1.3ENSRNOT000000241603ENSRNOE00000172193chr5:158143095-158143199105ARK73_RAT131-165352A:131-165
B:131-165
35
35
1.4ENSRNOT000000241604ENSRNOE00000172302chr5:158143412-15814350897ARK73_RAT166-198332A:166-198
B:166-198
33
33
1.5ENSRNOT000000241605ENSRNOE00000172401chr5:158143746-158143845100ARK73_RAT198-231342A:198-231
B:198-208
34
11
1.6ENSRNOT000000241606ENSRNOE00000172489chr5:158146101-158146230130ARK73_RAT231-274442A:231-274
B:232-274
44
43
1.7ENSRNOT000000241607ENSRNOE00000172587chr5:158147144-158147516373ARK73_RAT275-327532A:275-327
B:275-327
53
53

(-) 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:324
 aligned with ARK73_RAT | P38918 from UniProtKB/Swiss-Prot  Length:327

    Alignment length:324
                                    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    
            ARK73_RAT     4 ARPATVLGAMEMGRRMDVTSSSASVRAFLQRGHTEIDTAFVYANGQSETILGDLGLGLGRSGCKVKIATKAAPMFGKTLKPADVRFQLETSLKRLQCPRVDLFYLHFPDHGTPIEETLQACHQLHQEGKFVELGLSNYVSWEVAEICTLCKKNGWIMPTVYQGMYNAITRQVETELFPCLRHFGLRFYAFNPLAGGLLTGRYKYQDKDGKNPESRFFGNPFSQLYMDRYWKEEHFNGIALVEKALKTTYGPTAPSMISAAVRWMYHHSQLKGTQGDAVILGMSSLEQLEQNLALVEEGPLEPAVVDAFDQAWNLVAHECPNYFR 327
               SCOP domains d1gvea_ A: Aflatoxin aldehyde reductase (akr7a1)                                                                                                                                                                                                                                                                                     SCOP domains
               CATH domains 1gveA00 A:4-327 NADP-dependent oxidoreductase                                                                                                                                                                                                                                                                                        CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...eeeee........hhhhhhhhhhhhhhh...eee...hhhhhhhhhhhh.............eeeeee........hhhhhhhhhhhhhhhh....eeeeee.......hhhhhhhhhhhhhhh..eeeeeee..hhhhhhhhhhhhhhhh...eeeeeee.....hhhhhhhhhhhhhhh.eeeee..hhhhhhhh..hhhhhhh...........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhh...hhhhh.eeee...hhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
           Transcript 1 (1) Exon 1.1  PDB: A:4-68 UniProt: 1-68 [INCOMPLETE]                 --------------------------------------------------------------Exon 1.3  PDB: A:131-165           Exon 1.4  PDB: A:166-198         --------------------------------Exon 1.6  PDB: A:231-274 UniProt: 231-274   Exon 1.7  PDB: A:275-327 UniProt: 275-327             Transcript 1 (1)
           Transcript 1 (2) ----------------------------------------------------------------Exon 1.2  PDB: A:68-130 UniProt: 68-130                        -------------------------------------------------------------------Exon 1.5  PDB: A:198-231          ------------------------------------------------------------------------------------------------ Transcript 1 (2)
                 1gve A   4 ARPATVLGAMEMGRRMDVTSSSASVRAFLQRGHTEIDTAFVYANGQSETILGDLGLGLGRSGCKVKIATKAAPMFGKTLKPADVRFQLETSLKRLQCPRVDLFYLHFPDHGTPIEETLQACHQLHQEGKFVELGLSNYVSWEVAEICTLCKKNGWIMPTVYQGMYNAITRQVETELFPCLRHFGLRFYAFNPLAGGLLTGRYKYQDKDGKNPESRFFGNPFSQLYMDRYWKEEHFNGIALVEKALKTTYGPTAPSMISAAVRWMYHHSQLKGTQGDAVILGMSSLEQLEQNLALVEEGPLEPAVVDAFDQAWNLVAHECPNYFR 327
                                    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    

Chain B from PDB  Type:PROTEIN  Length:301
 aligned with ARK73_RAT | P38918 from UniProtKB/Swiss-Prot  Length:327

    Alignment length:324
                                    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    
            ARK73_RAT     4 ARPATVLGAMEMGRRMDVTSSSASVRAFLQRGHTEIDTAFVYANGQSETILGDLGLGLGRSGCKVKIATKAAPMFGKTLKPADVRFQLETSLKRLQCPRVDLFYLHFPDHGTPIEETLQACHQLHQEGKFVELGLSNYVSWEVAEICTLCKKNGWIMPTVYQGMYNAITRQVETELFPCLRHFGLRFYAFNPLAGGLLTGRYKYQDKDGKNPESRFFGNPFSQLYMDRYWKEEHFNGIALVEKALKTTYGPTAPSMISAAVRWMYHHSQLKGTQGDAVILGMSSLEQLEQNLALVEEGPLEPAVVDAFDQAWNLVAHECPNYFR 327
               SCOP domains d1gveb_ B: Aflatoxin aldehyde reductase (akr7a1)                                                                                                                                                                                                                                                                                     SCOP domains
               CATH domains 1gveB00 B:4-327 NADP-dependent oxidoreductase                                                                                                                                                                                                                                                                                        CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...eeeee........hhhhhhhhhhhhhhh...eee...hhhhhhhhhhhhh............eeeeee........hhhhhhhhhhhhhhhhh...eeeeee.......hhhhhhhhhhhhhhh..eeeeeee..hhhhhhhhhhhhhhhh...eeeeeee.....hhhhhhhhhhhhhhh.eeeee..hhhhhhhh.....-----------------------..hhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhh...hhhhh.eeee...hhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
           Transcript 1 (1) Exon 1.1  PDB: B:4-68 UniProt: 1-68 [INCOMPLETE]                 --------------------------------------------------------------Exon 1.3  PDB: B:131-165           Exon 1.4  PDB: B:166-198         --------------------------------Exon 1.6  PDB: B:232-274 UniProt: 231-274   Exon 1.7  PDB: B:275-327 UniProt: 275-327             Transcript 1 (1)
           Transcript 1 (2) ----------------------------------------------------------------Exon 1.2  PDB: B:68-130 UniProt: 68-130                        -------------------------------------------------------------------Exon 1.5  PDB: B:198-208          ------------------------------------------------------------------------------------------------ Transcript 1 (2)
                 1gve B   4 ARPATVLGAMEMGRRMDVTSSSASVRAFLQRGHTEIDTAFVYANGQSETILGDLGLGLGRSGCKVKIATKAAPMFGKTLKPADVRFQLETSLKRLQCPRVDLFYLHFPDHGTPIEETLQACHQLHQEGKFVELGLSNYVSWEVAEICTLCKKNGWIMPTVYQGMYNAITRQVETELFPCLRHFGLRFYAFNPLAGGLLTGRYKYQ-----------------------YWKEEHFNGIALVEKALKTTYGPTAPSMISAAVRWMYHHSQLKGTQGDAVILGMSSLEQLEQNLALVEEGPLEPAVVDAFDQAWNLVAHECPNYFR 327
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203    |    -         -       233       243       253       263       273       283       293       303       313       323    
                                                                                                                                                                                                                                      208                     232                                                                                               

   Legend:   → Mismatch (orange background)
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  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

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (8, 8)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (ARK73_RAT | P38918)
molecular function
    GO:0004032    alditol:NADP+ 1-oxidoreductase activity    Catalysis of the reaction: an alditol + NADP+ = an aldose + NADPH + H+.
    GO:0004033    aldo-keto reductase (NADP) activity    Catalysis of the reaction: an alcohol + NADP+ = an aldehyde or a ketone + NADPH + H+.
    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:0046223    aflatoxin catabolic process    The chemical reactions and pathways resulting in the breakdown of aflatoxin, a fungal metabolite found as a contaminant in moldy grains that induces liver cancer. Aflatoxin induces a G to T transversion at codon 249 of p53, leading to its inactivation. Aflatoxin is converted to a chemical carcinogen by P450.
    GO:0046222    aflatoxin metabolic process    The chemical reactions and pathways involving aflatoxin, a fungal metabolite found as a contaminant in moldy grains that induces liver cancer. Aflatoxin induces a G to T transversion at codon 249 of p53, leading to its inactivation. Aflatoxin is converted to a chemical carcinogen by P450.
    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:0009636    response to toxic substance    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a toxic stimulus.
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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