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(-) Description

Title :  CRYSTAL STRUCTURE OF THE H-NOX DOMAIN FROM NOSTOC SP. PCC 7120 COMPLEXED TO NO
 
Authors :  X. Ma, F. Van Den Akker
Date :  27 Nov 06  (Deposition) - 30 Jan 07  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.60
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Biol. Unit 3:  A,B  (3x)
Keywords :  Heme, No, Co, Guanylyl Cyclase, Signaling Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  X. Ma, N. Sayed, A. Beuve, F. Van Den Akker
No And Co Differentially Activate Soluble Guanylyl Cyclase Via A Heme Pivot-Bend Mechanism.
Embo J. V. 26 578 2007
PubMed-ID: 17215864  |  Reference-DOI: 10.1038/SJ.EMBOJ.7601521

(-) Compounds

Molecule 1 - ALR2278 PROTEIN
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PET22B
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Gene: ALR2278
    Organism Scientific: NOSTOC SP.
    Organism Taxid: 103690
    Strain: PCC 7120

 Structural Features

(-) Chains, Units

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

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
2NO2Ligand/IonNITRIC OXIDE
Biological Unit 1 (1, 1)
No.NameCountTypeFull Name
1HEM1Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
2NO-1Ligand/IonNITRIC OXIDE
Biological Unit 2 (1, 1)
No.NameCountTypeFull Name
1HEM1Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
2NO-1Ligand/IonNITRIC OXIDE
Biological Unit 3 (1, 6)
No.NameCountTypeFull Name
1HEM6Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
2NO-1Ligand/IonNITRIC OXIDE

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREMET A:1 , TYR A:2 , TRP A:74 , TYR A:83 , PHE A:97 , LEU A:101 , HIS A:105 , VAL A:108 , LEU A:115 , ARG A:116 , PRO A:118 , PHE A:120 , TYR A:134 , SER A:136 , ARG A:138 , MET A:144 , VAL A:145 , LEU A:148 , NO A:600 , HOH A:612 , HOH A:625BINDING SITE FOR RESIDUE HEM A 500
2AC2SOFTWAREMET B:1 , TYR B:2 , TRP B:74 , LEU B:87 , PHE B:97 , LEU B:101 , LEU B:104 , HIS B:105 , LEU B:115 , ARG B:116 , PRO B:118 , TYR B:134 , SER B:136 , ARG B:138 , MET B:144 , VAL B:145 , LEU B:148 , NO B:601 , HOH B:616BINDING SITE FOR RESIDUE HEM B 501
3AC3SOFTWARETRP A:74 , HEM A:500BINDING SITE FOR RESIDUE NO A 600
4AC4SOFTWARETRP B:74 , HEM B:501BINDING SITE FOR RESIDUE NO B 601

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2O0C)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2O0C)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2O0C)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2O0C)

(-) Exons   (0, 0)

(no "Exon" information available for 2O0C)

(-) 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:182
 aligned with Q8YUQ7_NOSS1 | Q8YUQ7 from UniProtKB/TrEMBL  Length:189

    Alignment length:182
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180  
         Q8YUQ7_NOSS1     1 MYGLVNKAIQDMISKHHGEDTWEAIKQKAGLEDIDFFVGMEAYSDDVTYHLVGAASEVLGKPAEELLIAFGEYWVTYTSEEGYGELLASAGDSLPEFMENLDNLHARVGLSFPQLRPPAFECQHTSSKSMELHYQSTRCGLAPMVLGLLHGLGKRFQTKVEVTQTAFRETGEDHDIFSIKYE 182
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhhhhh..............hhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhh.hhhhhhh...hhhhhhhhhhhhhhhhhhhh......eeeeeeee..eeeeeee.....hhhhhhhhhhhhhhhh...eeeeeeehhhhh...eeeeeee. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2o0c A   1 MYGLVNKAIQDMISKHHGEDTWEAIKQKAGLEDIDFFVGMEAYSDDVTYHLVGAASEVLGKPAEELLIAFGEYWVTYTSEEGYGELLASAGDSLPEFMENLDNLHARVGLSFPQLRPPAFECQHTSSKSMELHYQSTRCGLAPMVLGLLHGLGKRFQTKVEVTQTAFRETGEDHDIFSIKYE 182
                                    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:182
 aligned with Q8YUQ7_NOSS1 | Q8YUQ7 from UniProtKB/TrEMBL  Length:189

    Alignment length:182
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180  
         Q8YUQ7_NOSS1     1 MYGLVNKAIQDMISKHHGEDTWEAIKQKAGLEDIDFFVGMEAYSDDVTYHLVGAASEVLGKPAEELLIAFGEYWVTYTSEEGYGELLASAGDSLPEFMENLDNLHARVGLSFPQLRPPAFECQHTSSKSMELHYQSTRCGLAPMVLGLLHGLGKRFQTKVEVTQTAFRETGEDHDIFSIKYE 182
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) HNOB-2o0cB01 B:1-172                                                                                                                                                        ---------- Pfam domains (1)
           Pfam domains (2) HNOB-2o0cB02 B:1-172                                                                                                                                                        ---------- Pfam domains (2)
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhhhhh..............hhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhh...hhhhhhhh..hhhhhhhhhhhhhhhhhhhh......eeeeeeee..eeeeeee.....hhhhhhhhhhhhhhhh...eeeeeeehhhhh...eeeeeee. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2o0c B   1 MYGLVNKAIQDMISKHHGEDTWEAIKQKAGLEDIDFFVGMEAYSDDVTYHLVGAASEVLGKPAEELLIAFGEYWVTYTSEEGYGELLASAGDSLPEFMENLDNLHARVGLSFPQLRPPAFECQHTSSKSMELHYQSTRCGLAPMVLGLLHGLGKRFQTKVEVTQTAFRETGEDHDIFSIKYE 182
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180
   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  (0, 0)

(no "SCOP Domain" information available for 2O0C)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2O0C)

(-) Pfam Domains  (1, 2)

Asymmetric Unit
(-)
Clan: HNOX-like (7)

(-) Gene Ontology  (2, 2)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (Q8YUQ7_NOSS1 | Q8YUQ7)
molecular function
    GO:0020037    heme binding    Interacting selectively and non-covalently with heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.

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  2o0c
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 Related Entries

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

UniProtKB/TrEMBL
        Q8YUQ7_NOSS1 | Q8YUQ7: 2o09 2o0g 3l6j 3tf8 3tf9 3tfa 3tfd 3tfe 3tff 3tfg 4iae 4iah 4iam 4jqh

(-) Related Entries Specified in the PDB File

2o09 2o0g