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(-) Description

Title :  F78L TT H-NOX
 
Authors :  E. E. Weinert, C. M. Phillips-Piro, M. A. Marletta
Date :  28 May 12  (Deposition) - 28 Aug 13  (Release) - 28 Aug 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.10
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  O2-Sensor, Signaling Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  E. E. Weinert, C. M. Phillips-Piro, M. A. Marletta
Porphyrin Pi-Stacking In A Heme Protein Scaffold Tunes Gas Ligand Affinity.
J. Inorg. Biochem. V. 127C 7 2013
PubMed-ID: 23831583  |  Reference-DOI: 10.1016/J.JINORGBIO.2013.06.004

(-) Compounds

Molecule 1 - METHYL-ACCEPTING CHEMOTAXIS PROTEIN
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Fragment: UNP RESIDUES 1-188
    Gene: TAR4, TTE0680
    Mutation: YES
    Organism Scientific: THERMOANAEROBACTER TENGCONGENSIS
    Organism Taxid: 273068
    Strain: DSM 15242 / JCM 11007 / NBRC 100824 / MB4
    Synonym: H-NOX PROTEIN

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (1x): A 
Biological Unit 2 (1x):  B

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 4)

Asymmetric Unit (2, 4)
No.NameCountTypeFull Name
1HEM2Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
2OXY2Ligand/IonOXYGEN MOLECULE
Biological Unit 1 (2, 2)
No.NameCountTypeFull Name
1HEM1Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
2OXY1Ligand/IonOXYGEN MOLECULE
Biological Unit 2 (2, 2)
No.NameCountTypeFull Name
1HEM1Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
2OXY1Ligand/IonOXYGEN MOLECULE

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREMET A:1 , LYS A:2 , ILE A:5 , TYR A:85 , PHE A:86 , PHE A:94 , MET A:98 , HIS A:102 , LEU A:105 , THR A:113 , PRO A:114 , PRO A:115 , MET A:129 , TYR A:131 , SER A:133 , ARG A:135 , MET A:137 , TYR A:140 , PHE A:141 , LEU A:144 , OXY A:501 , HOH A:643 , HOH A:697BINDING SITE FOR RESIDUE HEM A 500
2AC2SOFTWAREILE A:5 , TYR A:140 , LEU A:144 , HEM A:500BINDING SITE FOR RESIDUE OXY A 501
3AC3SOFTWARELEU A:40 , MET B:1 , LYS B:2 , ILE B:5 , TYR B:85 , MET B:98 , HIS B:102 , THR B:113 , PRO B:114 , PRO B:115 , LEU B:117 , TYR B:131 , SER B:133 , ARG B:135 , TYR B:140 , LEU B:144 , OXY B:501BINDING SITE FOR RESIDUE HEM B 500
4AC4SOFTWAREILE B:5 , TYR B:140 , LEU B:144 , HEM B:500BINDING SITE FOR RESIDUE OXY B 501

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 4FDK)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 4FDK)

(-) 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:188
                                                                                                                                                                                                                            
               SCOP domains d4fdka_ A: Methyl-accepting chemotaxis protein                                                                                                                                               SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhhhhh..............hhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhh.............eeeee..eeeeeeee...hhhhhhhhhhhhhhhhh..eeeeeeeeeee..eeeeeeeeee.......... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4fdk A   1 MKGTIVGTWIKTLRDLYGNDVVDESLKSVGWEPDRVITPLEDIDDDEVRRIFAKVSEKTGKNVNEIWREVGRQNIKTLSEWFPSYFAGRRLVNFLMMMDEVHLQLTKMIKGATPPRLIAKPVAKDAIEMEYVSKRKMYDYFLGLIEGSSKFFKEEISVEEVERGEKDGFSRLKVRIKFKNPVFEYKKN 188
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180        


Chain B from PDB  Type:PROTEIN  Length:188
                                                                                                                                                                                                                            
               SCOP domains d4fdkb_ B: Methyl-accepting chemotaxis protein                                                                                                                                               SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhhhhh..............hhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhh.......eeeeeeee..eeeeeeee...hhhhhhhhhhhhhhhhh..eeeeeeeeeee..eeeeeeeeee.......... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4fdk B   1 MKGTIVGTWIKTLRDLYGNDVVDESLKSVGWEPDRVITPLEDIDDDEVRRIFAKVSEKTGKNVNEIWREVGRQNIKTLSEWFPSYFAGRRLVNFLMMMDEVHLQLTKMIKGATPPRLIAKPVAKDAIEMEYVSKRKMYDYFLGLIEGSSKFFKEEISVEEVERGEKDGFSRLKVRIKFKNPVFEYKKN 188
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180
   Legend:   → Mismatch (orange background)
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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  (1, 2)

Asymmetric Unit
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (6, 6)

Asymmetric Unit(hide GO term definitions)

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 Related Entries

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

UniProtKB/TrEMBL
        Q8RBX6_CALS4 | Q8RBX6: 1u4h 1u55 1u56 1xbn 3eee 3iqb 3lah 3lai 3m0b 3nvr 3nvu 3sj5 3tf0 3tf1 4it2 5jru 5jrv 5jrx

(-) Related Entries Specified in the PDB File

1u4h O2-BOUND WT FERROUS TT H-NOX
1u55 O2-BOUND WT FERROUS TT H-NOX
1u56 H2O BOUND WT FERRIC TT H-NOX