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(-) Description

Title :  CRYSTAL STRUCTURE OF 3-KETOSTEROID-9-ALPHA-HYDROXYLASE (KSHA) FROM M. TUBERCULOSIS IN COMPLEX WITH 4-ANDROSTENE-3,17-DIONE
 
Authors :  J. Penfield, L. J. Worrall, N. C. Strynadka, L. D. Eltis
Date :  12 May 14  (Deposition) - 30 Jul 14  (Release) - 01 Oct 14  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.46
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (3x)
Keywords :  Mixed Function Oxygenases, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  J. S. Penfield, L. J. Worrall, N. C. Strynadka, L. D. Eltis
Substrate Specificities And Conformational Flexibility Of 3-Ketosteroid 9 Alpha-Hydroxylases.
J. Biol. Chem. V. 289 25523 2014
PubMed-ID: 25049233  |  Reference-DOI: 10.1074/JBC.M114.575886

(-) Compounds

Molecule 1 - 3-KETOSTEROID-9-ALPHA-MONOOXYGENASE OXYGENASE SUBUNIT
    Chains: A
    EC Number: 1.14.13.142
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Strain: GJ1158
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: KSHA, RV3526
    Organism Scientific: MYCOBACTERIUM TUBERCULOSIS
    Organism Taxid: 83332
    Strain: ATCC 25618 / H37RV
    Synonym: 3-KETOSTEROID-9-ALPHA-HYDROXYLASE OXYGENASE SUBUNIT, RIESKE- TYPE OXYGENASE, RO

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit : A
Biological Unit 1 (3x): A

Summary Information (see also Sequences/Alignments below)

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

Asymmetric Unit (4, 4)
No.NameCountTypeFull Name
1ASD1Ligand/Ion4-ANDROSTENE-3-17-DIONE
2FE1Ligand/IonFE (III) ION
3FES1Ligand/IonFE2/S2 (INORGANIC) CLUSTER
4PO41Ligand/IonPHOSPHATE ION
Biological Unit 1 (3, 9)
No.NameCountTypeFull Name
1ASD3Ligand/Ion4-ANDROSTENE-3-17-DIONE
2FE-1Ligand/IonFE (III) ION
3FES3Ligand/IonFE2/S2 (INORGANIC) CLUSTER
4PO43Ligand/IonPHOSPHATE ION

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASN A:175 , HIS A:181 , HIS A:186 , ASP A:304 , HOH A:628BINDING SITE FOR RESIDUE FE A 401
2AC2SOFTWARECYS A:67 , HIS A:69 , MET A:70 , GLY A:72 , CYS A:86 , PHE A:88 , HIS A:89 , TRP A:91BINDING SITE FOR RESIDUE FES A 402
3AC3SOFTWAREARG A:21 , TYR A:22 , HIS A:130 , HIS A:132BINDING SITE FOR RESIDUE PO4 A 403
4AC4SOFTWAREASN A:175 , VAL A:176 , HIS A:186 , GLN A:204 , LEU A:226 , ALA A:230 , MET A:238 , ASN A:240 , ASN A:257 , GLY A:300 , ASP A:304 , HOH A:509BINDING SITE FOR RESIDUE ASD A 404

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4QCK)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
No.Residues
1Asp A:14 -Ala A:15
2Lys A:279 -Gly A:280

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4QCK)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4QCK)

(-) Exons   (0, 0)

(no "Exon" information available for 4QCK)

(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
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SAPs(SNPs) PROSITE motifs Exons
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Chain A from PDB  Type:PROTEIN  Length:355
                                                                                                                                                                                                                                                                                                                                                                                                   
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...........eeeeeee.hhhh....eeeee..eeeeeee.....eeeee........hhhhheee..eee......eee....eee..............ee.eeee..eeeeee.......hhhhh...hhhhhh......eeeeeeee..hhhhhhhhhhhhhhhhhh..eeeeeeeeeee..eeeeeeeeee.hhhh..eeeeeeeee...eeeeeeeeee..eeeeeeeeeeeeeee..eeeeeeeeee......hhhhhhhhhhhhhhhhhhhhhhhhhhhh..........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.eeee..hhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4qck A  14 DAGALPTRYARGWHCLGVAKDYLEGKPHGVEAFGTKLVVFADSHGDLKVLDGYCRHMGGDLSEGTVKGDEVACPFHDWRWGGDGRCKLVPYARRTPRMARTRSWTTDVRSGLLFVWHDHEGNPPDPAVRIPEIPEAASDEWTDWRWNRILIEGSNCRDIIDNVTDMAHFFYIHFGLPTYFKNVFEGHIASQYLHNVGRPDVDEAHLDSEASYFGPSFMINWLHNRYGNYKSESILINCHYPVTQNSFVLQWGVIVEKPKGMSEEMTDKLSRVFTEGVSKGFLQDVEIWKHKTRIDNPLLVEEDGAVYQLRRWYEQFYVDVADIKPEMVERFEIEVDTKRANEFWNAEVEKNLKSR 375
                                    23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213 ||    230       240       250       260       270       280       290       300       310       320       330       340       350       360       370     
                                                                                                                                                                                                                                   215|                                                                                                                                                        
                                                                                                                                                                                                                                    223
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  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 4QCK)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4QCK)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4QCK)

(-) Gene Ontology  (18, 18)

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  KSHA_MYCTU | P71875
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 Related Entries

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

UniProtKB/Swiss-Prot
        KSHA_MYCTU | P71875: 2zyl

(-) Related Entries Specified in the PDB File

4qdc 4qdd 4qdf