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(-) Description

Title :  HUMAN LTC4 SYNTHASE IN COMPLEX WITH PRODUCT ANALOGS - IMPLICATIONS FOR ENZYME CATALYSIS
 
Authors :  D. Niegowski, A. Rinaldo-Matthis, J. Z. Haeggstrom
Date :  14 Feb 13  (Deposition) - 01 Jan 14  (Release) - 12 Mar 14  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  3.20
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (3x)
Biol. Unit 2:  A  (12x)
Keywords :  Leukotriene C4 Synthase, Product Analogs, Lipid Biosynthesis, Lyase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  D. Niegowski, T. Kleinschmidt, U. Olsson, S. Ahmad, A. Rinaldo-Matthis, J. Z. Haeggstrom
Crystal Structures Of Leukotriene C4 Synthase In Complex With Product Analogs: Implications For The Enzyme Mechanism
J. Biol. Chem. V. 289 5199 2014
PubMed-ID: 24366866  |  Reference-DOI: 10.1074/JBC.M113.534628

(-) Compounds

Molecule 1 - LEUKOTRIENE C4 SYNTHASE
    Chains: A
    EC Number: 4.4.1.20
    Engineered: YES
    Expression System: PICHIA PASTORIS
    Expression System Taxid: 4922
    Gene: LTC4S
    Organism Common: HUMAN
    Organism Scientific: HOMO SAPIENS
    Organism Taxid: 9606
    Synonym: LTC4 SYNTHASE, LEUKOTRIENE-C(4) SYNTHASE

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit : A
Biological Unit 1 (3x): A
Biological Unit 2 (12x): A

Summary Information (see also Sequences/Alignments below)

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

Asymmetric Unit (3, 3)
No.NameCountTypeFull Name
11JO1Ligand/IonD-GAMMA-GLUTAMYL-S-(4-PHENYLBUTYL)-L-CYSTEINYLGLYCINE
2NI1Ligand/IonNICKEL (II) ION
3SO41Ligand/IonSULFATE ION
Biological Unit 1 (2, 6)
No.NameCountTypeFull Name
11JO3Ligand/IonD-GAMMA-GLUTAMYL-S-(4-PHENYLBUTYL)-L-CYSTEINYLGLYCINE
2NI-1Ligand/IonNICKEL (II) ION
3SO43Ligand/IonSULFATE ION
Biological Unit 2 (2, 24)
No.NameCountTypeFull Name
11JO12Ligand/IonD-GAMMA-GLUTAMYL-S-(4-PHENYLBUTYL)-L-CYSTEINYLGLYCINE
2NI-1Ligand/IonNICKEL (II) ION
3SO412Ligand/IonSULFATE ION

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:-1 , HIS A:1BINDING SITE FOR RESIDUE NI A 201
2AC2SOFTWAREARG A:48 , SER A:100 , ALA A:101 , GLN A:102BINDING SITE FOR RESIDUE SO4 A 202
3AC3SOFTWAREALA A:20 , SER A:23 , LEU A:24 , VAL A:26 , ILE A:27 , ARG A:30 , TYR A:50 , GLN A:53 , ASN A:55 , GLU A:58 , TYR A:59 , LEU A:62 , TYR A:93 , ARG A:104 , LEU A:108 , LEU A:115 , TRP A:116BINDING SITE FOR RESIDUE 1JO A 203

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4J7T)

(-) Cis Peptide Bonds  (3, 3)

Asymmetric Unit
No.Residues
1Pro A:37 -Pro A:38
2Leu A:143 -Arg A:144
3Arg A:144 -Thr A:145

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4J7T)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4J7T)

(-) Exons   (0, 0)

(no "Exon" information available for 4J7T)

(-) 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:148
                                                                                                                                                                                    
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4j7t A  -1 HHHKDEVALLAAVTLLGVLLQAYFSLQVISARRAFRVSPPLTTGPPEFERVYRAQVNCSEYFPLFLATLWVAGIFFHEGAAALCGLVYLFARLRYFQGYARSAQLRLAPLYASARALWLLVALAALGLLAHFLPAALRAALLGRLRTL 146
                                     8        18        28        38        48        58        68        78        88        98       108       118       128       138
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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 4J7T)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4J7T)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4J7T)

(-) Gene Ontology  (29, 29)

Asymmetric Unit(hide GO term definitions)

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  Cis Peptide Bonds
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  4j7t
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  LTC4S_HUMAN | Q16873
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  4.4.1.20
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 Related Entries

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

UniProtKB/Swiss-Prot
        LTC4S_HUMAN | Q16873: 2pno 2uuh 2uui 3b29 3hkk 3leo 3pcv 4bpm 4j7y 4jc7 4jcz 4jrz 4wab 5hv9

(-) Related Entries Specified in the PDB File

2uuh 2uui 4j7y