Show PDB file:   
         Plain Text   HTML   (compressed file size)
QuickSearch:   
by PDB,NDB,UniProt,PROSITE Code or Search Term(s)  
(-)Asymmetric Unit
(-)Asym. Unit - sites
(-)Biological Unit 1
(-)Biol. Unit 1 - sites
(-)Biological Unit 2
collapse expand < >
Image Asymmetric Unit
Asymmetric Unit  (Jmol Viewer)
Image Asym. Unit - sites
Asym. Unit - sites  (Jmol Viewer)
Image Biological Unit 1
Biological Unit 1  (Jmol Viewer)
Image Biol. Unit 1 - sites
Biol. Unit 1 - sites  (Jmol Viewer)
Image Biological Unit 2
Biological Unit 2  (Jmol Viewer)

(-) Description

Title :  FUNCTIONAL AND STRUCTURAL ROLE OF THE N-TERMINAL EXTENSION IN METHANOSARCINA ACETIVORANS PROTOGLOBIN
 
Authors :  C. Ciaccio, A. Pesce, G. R. Tundo, L. Tilleman, S. Dewilde, L. Moens, P. A M. Bolognesi, M. Nardini, M. Coletta
Date :  19 Dec 12  (Deposition) - 27 Mar 13  (Release) - 07 Aug 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  A,B  (1x)
Biol. Unit 2:  C,D  (1x)
Keywords :  Oxygen Transport, Spectroscopic Properties, Ligand Binding Properties, N-Terminal Trimming. (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  C. Ciaccio, A. Pesce, G. R. Tundo, L. Tilleman, L. Bertolacci, S. Dewilde, L. Moens, P. Ascenzi, M. Bolognesi, M. Nardini, M. Coletta
Functional And Structural Role Of The N-Terminal Extension In Methanosarcina Acetivorans Protoglobin.
Biochim. Biophys. Acta V. 1834 1813 2013
PubMed-ID: 23485914  |  Reference-DOI: 10.1016/J.BBAPAP.2013.02.026

(-) Compounds

Molecule 1 - PROTOGLOBIN
    Chains: A, B, C, D
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Fragment: RESIDUES 21-195
    Mutation: YES
    Organism Scientific: METHANOSARCINA ACETIVORANS C2A
    Organism Taxid: 188937
    Other Details: TRUNCATED FORM (WITHOUT THE FIRST 20 N-TERMINAL RESIDUES)

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit : ABCD
Biological Unit 1 (1x): AB  
Biological Unit 2 (1x):   CD

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 16)

Asymmetric Unit (3, 16)
No.NameCountTypeFull Name
1FMT4Ligand/IonFORMIC ACID
2GOL8Ligand/IonGLYCEROL
3HEM4Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
Biological Unit 1 (3, 7)
No.NameCountTypeFull Name
1FMT2Ligand/IonFORMIC ACID
2GOL3Ligand/IonGLYCEROL
3HEM2Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
Biological Unit 2 (3, 9)
No.NameCountTypeFull Name
1FMT2Ligand/IonFORMIC ACID
2GOL5Ligand/IonGLYCEROL
3HEM2Ligand/IonPROTOPORPHYRIN IX CONTAINING FE

(-) Sites  (16, 16)

Asymmetric Unit (16, 16)
No.NameEvidenceResiduesDescription
01AC1SOFTWARELEU A:70 , TYR A:73 , PHE A:74 , TYR A:85 , VAL A:89 , ARG A:92 , PHE A:93 , TRP A:96 , TYR A:112 , ARG A:119 , HIS A:120 , LYS A:125 , ASN A:126 , ILE A:137 , TYR A:141 , LEU A:142 , PHE A:145 , ILE A:146 , ILE A:149 , VAL A:182 , TRP A:185 , FMT A:201 , HOH A:2064 , HOH A:2065 , HOH A:2099 , HOH A:2101BINDING SITE FOR RESIDUE HEM A 200
02AC2SOFTWARETRP A:60 , TYR A:61 , PHE A:93 , HEM A:200BINDING SITE FOR RESIDUE FMT A 201
03AC3SOFTWARELEU B:70 , TYR B:73 , PHE B:74 , TYR B:85 , VAL B:89 , ARG B:92 , PHE B:93 , TRP B:96 , TYR B:112 , ARG B:119 , HIS B:120 , LYS B:125 , ASN B:126 , ILE B:137 , TYR B:141 , LEU B:142 , PHE B:145 , ILE B:146 , ILE B:149 , VAL B:182 , TRP B:185 , FMT B:201 , HOH B:2063 , HOH B:2064 , HOH B:2088 , HOH B:2092BINDING SITE FOR RESIDUE HEM B 200
04AC4SOFTWARETRP B:60 , TYR B:61 , PHE B:93 , HEM B:200BINDING SITE FOR RESIDUE FMT B 201
05AC5SOFTWARELEU C:70 , TYR C:73 , PHE C:74 , TYR C:85 , VAL C:89 , ARG C:92 , PHE C:93 , TRP C:96 , TYR C:112 , ARG C:119 , HIS C:120 , LYS C:125 , ASN C:126 , ILE C:137 , TYR C:141 , LEU C:142 , PHE C:145 , ILE C:146 , ILE C:149 , VAL C:182 , TRP C:185 , FMT C:201 , HOH C:2061 , HOH C:2062 , HOH C:2088 , HOH C:2093BINDING SITE FOR RESIDUE HEM C 200
06AC6SOFTWARETRP C:60 , TYR C:61 , PHE C:93 , HEM C:200BINDING SITE FOR RESIDUE FMT C 201
07AC7SOFTWARELEU D:70 , TYR D:73 , PHE D:74 , TYR D:85 , VAL D:89 , ARG D:92 , PHE D:93 , TRP D:96 , TYR D:112 , ARG D:119 , HIS D:120 , LYS D:125 , ASN D:126 , ILE D:137 , TYR D:141 , LEU D:142 , PHE D:145 , ILE D:149 , VAL D:182 , TRP D:185 , FMT D:201 , HOH D:2071 , HOH D:2072 , HOH D:2096 , HOH D:2098BINDING SITE FOR RESIDUE HEM D 200
08AC8SOFTWARETRP D:60 , TYR D:61 , PHE D:93 , HEM D:200BINDING SITE FOR RESIDUE FMT D 201
09AC9SOFTWAREGLN A:52 , VAL A:53 , GLU A:54 , GLU A:55BINDING SITE FOR RESIDUE GOL A1196
10BC1SOFTWAREMET C:20 , TYR C:114 , LEU C:184 , TYR C:187 , HOH C:2001 , HOH C:2124BINDING SITE FOR RESIDUE GOL C1196
11BC2SOFTWARESER C:76 , PRO C:77 , ASP C:78 , THR C:80 , HOH C:2046BINDING SITE FOR RESIDUE GOL C1197
12BC3SOFTWAREASP C:111 , TYR C:114BINDING SITE FOR RESIDUE GOL C1198
13BC4SOFTWAREGLU A:47 , ALA D:108 , ASP D:111 , TYR D:112 , HOH D:2084BINDING SITE FOR RESIDUE GOL D1196
14BC5SOFTWAREMET B:20 , ASP B:111 , HOH B:2001BINDING SITE FOR RESIDUE GOL B1196
15BC6SOFTWAREASN C:126 , VAL C:131 , GLU C:132 , SER C:133 , HOH C:2081 , HOH C:2095 , HOH C:2097BINDING SITE FOR RESIDUE GOL C1199
16BC7SOFTWARELYS A:26 , LYS A:29 , PHE A:34 , THR A:35 , ALA A:36 , GLU A:39BINDING SITE FOR RESIDUE GOL A1197

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3ZH0)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3ZH0)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3ZH0)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3ZH0)

(-) Exons   (0, 0)

(no "Exon" information available for 3ZH0)

(-) 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:176
 aligned with Q8TLY9_METAC | Q8TLY9 from UniProtKB/TrEMBL  Length:195

    Alignment length:176
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189      
         Q8TLY9_METAC    20 FNLEDLKLLKEAVMFTAEDEEYIQKAGEVLEDQVEEILDTWYGFVGSHPHLLYYFTSPDGTPNEKYLAAVRKRFSRWILDTCNRSYDQAWLDYQYEIGLRHHRTKKNQTDNVESVPNIGYRYLVAFIYPITATMKPFLARKGHTPEEVEKMYQAWFKATTLQVALWSYPYVKYGDF 195
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhh................hhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhh...... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3zh0 A  20 MNLEDLKLLKEAVMFTAEDEEYIQKAGEVLEDQVEEILDTWYGFVGSHPHLLYYFTSPDGTPNEKYLAAVRKRFSRWILDTSNRSYDQAWLDYQYEIGLRHHRTKKNQTDNVESVPNIGYRYLVAFIYPITATMKPFLARKGHTPEEVEKMYQAWFKATTLQVALWSYPYVKYGDF 195
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189      


Chain B from PDB  Type:PROTEIN  Length:176
 aligned with Q8TLY9_METAC | Q8TLY9 from UniProtKB/TrEMBL  Length:195

    Alignment length:176
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189      
         Q8TLY9_METAC    20 FNLEDLKLLKEAVMFTAEDEEYIQKAGEVLEDQVEEILDTWYGFVGSHPHLLYYFTSPDGTPNEKYLAAVRKRFSRWILDTCNRSYDQAWLDYQYEIGLRHHRTKKNQTDNVESVPNIGYRYLVAFIYPITATMKPFLARKGHTPEEVEKMYQAWFKATTLQVALWSYPYVKYGDF 195
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhh................hhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhh...... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3zh0 B  20 MNLEDLKLLKEAVMFTAEDEEYIQKAGEVLEDQVEEILDTWYGFVGSHPHLLYYFTSPDGTPNEKYLAAVRKRFSRWILDTSNRSYDQAWLDYQYEIGLRHHRTKKNQTDNVESVPNIGYRYLVAFIYPITATMKPFLARKGHTPEEVEKMYQAWFKATTLQVALWSYPYVKYGDF 195
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189      


Chain C from PDB  Type:PROTEIN  Length:176
 aligned with Q8TLY9_METAC | Q8TLY9 from UniProtKB/TrEMBL  Length:195

    Alignment length:176
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189      
         Q8TLY9_METAC    20 FNLEDLKLLKEAVMFTAEDEEYIQKAGEVLEDQVEEILDTWYGFVGSHPHLLYYFTSPDGTPNEKYLAAVRKRFSRWILDTCNRSYDQAWLDYQYEIGLRHHRTKKNQTDNVESVPNIGYRYLVAFIYPITATMKPFLARKGHTPEEVEKMYQAWFKATTLQVALWSYPYVKYGDF 195
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhh..hhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhh................hhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhh...... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3zh0 C  20 MNLEDLKLLKEAVMFTAEDEEYIQKAGEVLEDQVEEILDTWYGFVGSHPHLLYYFTSPDGTPNEKYLAAVRKRFSRWILDTSNRSYDQAWLDYQYEIGLRHHRTKKNQTDNVESVPNIGYRYLVAFIYPITATMKPFLARKGHTPEEVEKMYQAWFKATTLQVALWSYPYVKYGDF 195
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189      


Chain D from PDB  Type:PROTEIN  Length:176
 aligned with Q8TLY9_METAC | Q8TLY9 from UniProtKB/TrEMBL  Length:195

    Alignment length:176
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189      
         Q8TLY9_METAC    20 FNLEDLKLLKEAVMFTAEDEEYIQKAGEVLEDQVEEILDTWYGFVGSHPHLLYYFTSPDGTPNEKYLAAVRKRFSRWILDTCNRSYDQAWLDYQYEIGLRHHRTKKNQTDNVESVPNIGYRYLVAFIYPITATMKPFLARKGHTPEEVEKMYQAWFKATTLQVALWSYPYVKYGDF 195
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhh..hhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhh................hhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhh...... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3zh0 D  20 MNLEDLKLLKEAVMFTAEDEEYIQKAGEVLEDQVEEILDTWYGFVGSHPHLLYYFTSPDGTPNEKYLAAVRKRFSRWILDTSNRSYDQAWLDYQYEIGLRHHRTKKNQTDNVESVPNIGYRYLVAFIYPITATMKPFLARKGHTPEEVEKMYQAWFKATTLQVALWSYPYVKYGDF 195
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189
   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 3ZH0)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3ZH0)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3ZH0)

(-) Gene Ontology  (3, 3)

Asymmetric Unit(hide GO term definitions)
Chain A,B,C,D   (Q8TLY9_METAC | Q8TLY9)
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.
    GO:0019825    oxygen binding    Interacting selectively and non-covalently with oxygen (O2).

 Visualization

(-) Interactive Views

Asymmetric Unit
  Complete Structure
    Jena3D(integrated viewing of ligand, site, SAP, PROSITE, SCOP information)
    WebMol | AstexViewer[tm]@PDBe
(Java Applets, require no local installation except for Java; loading may be slow)
    STRAP
(Java WebStart application, automatic local installation, requires Java; full application with system access!)
    RasMol
(require local installation)
    Molscript (VRML)
(requires installation of a VRML viewer; select preferred view via VRML and generate a mono or stereo PDF format file)
 
  Ligands, Modified Residues, Ions
    FMT  [ RasMol | Jena3D ]  +environment [ RasMol | Jena3D ]
    GOL  [ RasMol | Jena3D ]  +environment [ RasMol | Jena3D ]
    HEM  [ RasMol | Jena3D ]  +environment [ RasMol | Jena3D ]
 
  Sites
    AC1  [ RasMol ]  +environment [ RasMol ]
    AC2  [ RasMol ]  +environment [ RasMol ]
    AC3  [ RasMol ]  +environment [ RasMol ]
    AC4  [ RasMol ]  +environment [ RasMol ]
    AC5  [ RasMol ]  +environment [ RasMol ]
    AC6  [ RasMol ]  +environment [ RasMol ]
    AC7  [ RasMol ]  +environment [ RasMol ]
    AC8  [ RasMol ]  +environment [ RasMol ]
    AC9  [ RasMol ]  +environment [ RasMol ]
    BC1  [ RasMol ]  +environment [ RasMol ]
    BC2  [ RasMol ]  +environment [ RasMol ]
    BC3  [ RasMol ]  +environment [ RasMol ]
    BC4  [ RasMol ]  +environment [ RasMol ]
    BC5  [ RasMol ]  +environment [ RasMol ]
    BC6  [ RasMol ]  +environment [ RasMol ]
    BC7  [ RasMol ]  +environment [ RasMol ]
 
  Cis Peptide Bonds
(no "Cis Peptide Bonds" information available for 3zh0)
 
Biological Units
  Complete Structure
    Biological Unit 1  [ Jena3D ]
    Biological Unit 2  [ Jena3D ]

(-) Still Images

Jmol
  protein: cartoon or spacefill or dots and stick; nucleic acid: cartoon and stick; ligands: spacefill; active site: stick
[ Asym. Unit PNG format | Asym. Unit - sites PNG format | Biol. Unit 1 PNG format | Biol. Unit 1 - sites PNG format | Biol. Unit 2 PNG format ](automatic orientation, automatically generated)
Molscript
  protein, nucleic acid: cartoon; ligands: spacefill; active site: ball and stick
[ mono PDF format | stereo PDF format ](default orientation, automatically generated)

 Databases and Analysis Tools

(-) Databases

Access by PDB/NDB ID
  3zh0
    Family and Domain Information: ProDom | SYSTERS
    General Structural Information: GlycoscienceDB | MMDB | NDB | OCA | PDB | PDBe | PDBj | PDBsum | PDBWiki | PQS | PROTEOPEDIA
    Orientation in Membranes: OPM
    Protein Surface: SURFACE
    Secondary Structure: DSSP (structure derived) | HSSP (homology derived)
    Structural Genomics: GeneCensus
    Structural Neighbours: CE | VAST
    Structure Classification: CATH | Dali | SCOP
    Validation and Original Data: BMRB Data View | BMRB Restraints Grid | EDS | PROCHECK | RECOORD | WHAT_CHECK
 
Access by UniProt ID/Accession number
  Q8TLY9_METAC | Q8TLY9
    Comparative Protein Structure Models: ModBase
    Genomic Information: Ensembl
    Protein-protein Interaction: DIP
    Sequence, Family and Domain Information: InterPro | Pfam | SMART | UniProtKB/TrEMBL
 
Access by Enzyme Classificator   (EC Number)
  (no 'Enzyme Classificator' available)
    General Enzyme Information: BRENDA | EC-PDB | Enzyme | IntEnz
    Pathway: KEGG | MetaCyc
 
Access by Disease Identifier   (MIM ID)
  (no 'MIM ID' available)
    Disease Information: OMIM
 
Access by GenAge ID
  (no 'GenAge ID' available)
    Age Related Information: GenAge

(-) Analysis Tools

Access by PDB/NDB ID
    Domain Information: XDom
    Interatomic Contacts of Structural Units: CSU
    Ligand-protein Contacts: LPC
    Protein Cavities: castP
    Sequence and Secondary Structure: PDBCartoon
    Structure Alignment: STRAP(Java WebStart application, automatic local installation, requires Java; full application with system access!)
    Structure and Sequence Browser: STING
 
Access by UniProt ID/Accession number
  Q8TLY9_METAC | Q8TLY9
    Protein Disorder Prediction: DisEMBL | FoldIndex | GLOBPLOT (for more information see DisProt)

 Related Entries

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

UniProtKB/TrEMBL
        Q8TLY9_METAC | Q8TLY9: 2veb 2vee 3qzx 3qzz 3r0g 3zjh 3zji 3zjj 3zjl 3zjm 3zjn 3zjo 3zjp 3zjq 3zjr 3zjs 3zol 3zom

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 3ZH0)