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(-) Description

Title :  N149W VARIANT OF SIRHP BOUND TO SULFITE
 
Authors :  K. W. Smith, M. E. Stroupe
Date :  01 Nov 12  (Deposition) - 16 Jan 13  (Release) - 06 Mar 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.60
Chains :  Asym./Biol. Unit :  A
Keywords :  Oxidoreductase, Siroheme-Binding Protein, Iron-Sulfur Cluster, S/Nirr, Oxidoreductase-Substrate Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  K. W. Smith, M. E. Stroupe
Mutational Analysis Of Sulfite Reductase Hemoprotein Reveal The Mechanism For Coordinated Electron And Proton Transfer.
Biochemistry V. 51 9857 2012
PubMed-ID: 23153334  |  Reference-DOI: 10.1021/BI300947A

(-) Compounds

Molecule 1 - SULFITE REDUCTASE [NADPH] HEMOPROTEIN BETA-COMPONENT
    Chains: A
    EC Number: 1.8.1.2
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PBADHISA
    Expression System Strain: LMG194
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Fragment: UNP RESIDUES 64-570
    Gene: B2763, CYSI, JW2733
    Mutation: YES
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 83333
    Strain: K-12
    Synonym: SIR-HP, SIRHP

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (4, 4)
No.NameCountTypeFull Name
1NA1Ligand/IonSODIUM ION
2SF41Ligand/IonIRON/SULFUR CLUSTER
3SO31Ligand/IonSULFITE ION
4SRM1Ligand/IonSIROHEME

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG A:83 , ARG A:153 , LYS A:215 , LYS A:217 , SRM A:604 , HOH A:810 , HOH A:1057BINDING SITE FOR RESIDUE SO3 A 601
2AC2SOFTWAREILE A:362 , ASN A:395 , GLN A:396 , ASN A:397BINDING SITE FOR RESIDUE NA A 602
3AC3SOFTWARECYS A:434 , CYS A:440 , ALA A:443 , THR A:477 , GLY A:478 , CYS A:479 , ASN A:481 , GLY A:482 , CYS A:483BINDING SITE FOR RESIDUE SF4 A 603
4AC4SOFTWAREARG A:83 , ARG A:113 , THR A:115 , ASN A:116 , ARG A:117 , THR A:119 , GLN A:121 , HIS A:123 , LYS A:215 , LYS A:217 , ALA A:232 , GLY A:256 , LEU A:257 , SER A:258 , GLN A:396 , CYS A:434 , VAL A:435 , THR A:439 , CYS A:440 , LEU A:442 , ASN A:481 , GLY A:482 , CYS A:483 , ARG A:485 , SO3 A:601 , HOH A:720 , HOH A:765 , HOH A:782 , HOH A:810 , HOH A:858 , HOH A:972 , HOH A:997 , HOH A:1062 , HOH A:1129BINDING SITE FOR RESIDUE SRM A 604

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1Pro A:223 -Pro A:224
2Phe A:437 -Pro A:438

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 4HTR)

(-) 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:441
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
               SCOP domains d4htra1 A:83-144 automated matches                       d4htra2 A:151-345 automated matches                                                                                                                            d4htra3 A:346-425 automated matches                                             d4htra4 A:426-570 automated matches                                                                                                               SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhh.eehhhhhhhhhhhhhhhh....eee.....ee......hhhhhhhh.........ee.....hhhhhhhhhhhhhhhhhhh.....eeee.......hhhhh.eeeeeee....eeeeeeee..................eeeeeee..hhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh..................eeee....eeeeee.hhh.ee.ee..eehhhhhhhhhhhh...eee.....eeeeeee..hhhhhhhhhhhh......hhhhhheee................hhhhhhhhhhhhhhhh........eeee.......hhhhh.eeeeeee..eeeeee..........eeeeeeeehhhhhhhhhhhhhhhhhhh....hhhhhhhhh.......hhhhhh.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4htr A  83 RCRLPGGVITTKQWQAIDKFAGENTIYGSIRLTNRQTFQFHGILPVHQMLHSVGLDAMNRNVLCTSNPYESQLHAEAYEWAKKISEHLLPKFKTTVVIPPQNDIDLHANDMNFVAIAENGKLVGFNLLVGGGLSIEHGNKKTYARTASEFGYLPLEHTLAVAEAVVTTQRDWGNNAKTKYTLERVGVETFKAEVERRAGIKFEPIRPYEFTGRGDRIGWVKGIDDNWHLTLFIENGRILDYPARPLKTGLLEIAKIHKGDFRITANQNLIIAGVPESEKAKIEKIAKESGLMNAVTPQRENSMACVSFPTCPLAMAEAERFLPSFIDNIDNLMAKHGVSDEHIVMRVTGCPNGCGRAMLAEVGLVGKAPGRYNLHLGGNRIGTRIPRMYKENITEPEILASLDELIGRWAKEREAGEGFGDFTVRAGIIRPVLDPARDLWD 570
                                    92       102       112       122   ||  137      |153       163       173       183|      224       234       244       254       264       274       284       294   ||  309       319       329       339       349       359       369       379       389       399       409       419       429       439       449       459       469       479       489       499       509       519       529       539       549       559       569 
                                                                     126|         144|                             183|                                                                                298|                                                                                                                                                                                                                                                                          
                                                                      132          151                              215                                                                                 304
   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/Biological Unit
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (16, 16)

Asymmetric/Biological Unit(hide GO term definitions)

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  Cis Peptide Bonds
    Phe A:437 - Pro A:438   [ RasMol ]  
    Pro A:223 - Pro A:224   [ RasMol ]  
 

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 Related Entries

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

UniProtKB/Swiss-Prot
        CYSI_ECOLI | P17846: 1aop 2aop 2gep 3aop 3geo 4aop 4g38 4g39 4gep 5aop 5gep 6gep 7gep 8gep

(-) Related Entries Specified in the PDB File

4g38 N149W VARIANT OF SIRHP
4g39 R153S VARIANT OF SIRHP