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(-) Description

Title :  AZURIN MUTANT WITH MET 121 REPLACED BY HIS, PH 3.5 CRYSTAL FORM, DATA COLLECTED AT-180 DEGREES CELSIUS
 
Authors :  A. Messerschmidt, L. Prade
Date :  28 Jan 98  (Deposition) - 29 Apr 98  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.45
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  A,C  (1x)
Biol. Unit 2:  B,D  (1x)
Keywords :  Electron Transport, Cuproprotein (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  A. Messerschmidt, L. Prade, S. J. Kroes, J. Sanders-Loehr, R. Huber, G. W. Canters
Rack-Induced Metal Binding Vs. Flexibility: Met121His Azurin Crystal Structures At Different Ph.
Proc. Natl. Acad. Sci. Usa V. 95 3443 1998
PubMed-ID: 9520385  |  Reference-DOI: 10.1073/PNAS.95.7.3443
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - AZURIN
    Cellular LocationPERIPLASM
    ChainsA, B, C, D
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System GeneAZU
    Expression System PlasmidPCH11
    Expression System StrainJM101
    Expression System Taxid562
    GeneAZU
    MutationYES
    Organism ScientificACHROMOBACTER DENITRIFICANS
    Organism Taxid32002

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit ABCD
Biological Unit 1 (1x)A C 
Biological Unit 2 (1x) B D

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 10)

Asymmetric Unit (3, 10)
No.NameCountTypeFull Name
1CU4Ligand/IonCOPPER (II) ION
2NO32Ligand/IonNITRATE ION
3SO44Ligand/IonSULFATE ION
Biological Unit 1 (2, 3)
No.NameCountTypeFull Name
1CU-1Ligand/IonCOPPER (II) ION
2NO31Ligand/IonNITRATE ION
3SO42Ligand/IonSULFATE ION
Biological Unit 2 (2, 3)
No.NameCountTypeFull Name
1CU-1Ligand/IonCOPPER (II) ION
2NO31Ligand/IonNITRATE ION
3SO42Ligand/IonSULFATE ION

(-) Sites  (10, 10)

Asymmetric Unit (10, 10)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREHIS A:46 , CYS A:112 , HIS A:117 , HIS A:121BINDING SITE FOR RESIDUE CU A 130
02AC2SOFTWAREGLY A:76 , HIS A:83 , HOH A:212 , HOH A:226BINDING SITE FOR RESIDUE SO4 A 131
03AC3SOFTWAREHIS B:46 , CYS B:112 , HIS B:117 , HIS B:121BINDING SITE FOR RESIDUE CU B 130
04AC4SOFTWAREVAL B:73 , ALA B:75 , GLY B:76 , HIS B:83 , HOH B:147 , HOH B:232BINDING SITE FOR RESIDUE SO4 B 131
05AC5SOFTWAREGLY C:45 , HIS C:46 , CYS C:112 , HIS C:117 , NO3 C:132BINDING SITE FOR RESIDUE CU C 130
06AC6SOFTWAREVAL C:73 , LYS C:74 , ALA C:75 , GLY C:76 , HIS C:83 , HOH C:154 , HOH C:222BINDING SITE FOR RESIDUE SO4 C 131
07AC7SOFTWAREMET C:13 , GLN C:14 , HIS C:46 , CYS C:112 , HIS C:117 , HIS C:121 , CU C:130BINDING SITE FOR RESIDUE NO3 C 132
08AC8SOFTWAREGLY D:45 , HIS D:46 , CYS D:112 , HIS D:117 , NO3 D:132BINDING SITE FOR RESIDUE CU D 130
09AC9SOFTWAREALA D:75 , GLY D:76 , HIS D:83 , HOH D:176 , HOH D:236BINDING SITE FOR RESIDUE SO4 D 131
10BC1SOFTWARESER D:9 , MET D:13 , GLN D:14 , TYR D:15 , HIS D:46 , CYS D:112 , HIS D:117 , HIS D:121 , CU D:130BINDING SITE FOR RESIDUE NO3 D 132

(-) SS Bonds  (4, 4)

Asymmetric Unit
No.Residues
1A:3 -A:26
2B:3 -B:26
3C:3 -C:26
4D:3 -D:26

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1A4C)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1A4C)

(-) PROSITE Motifs  (1, 4)

Asymmetric Unit (1, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1COPPER_BLUEPS00196 Type-1 copper (blue) proteins signature.AZUR_ACHDE125-141
 
 
 
  4A:105-120
B:105-120
C:105-120
D:105-120
Biological Unit 1 (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1COPPER_BLUEPS00196 Type-1 copper (blue) proteins signature.AZUR_ACHDE125-141
 
 
 
  2A:105-120
-
C:105-120
-
Biological Unit 2 (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1COPPER_BLUEPS00196 Type-1 copper (blue) proteins signature.AZUR_ACHDE125-141
 
 
 
  2-
B:105-120
-
D:105-120

(-) Exons   (0, 0)

(no "Exon" information available for 1A4C)

(-) 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:129
 aligned with AZUR_ACHDE | P00280 from UniProtKB/Swiss-Prot  Length:149

    Alignment length:129
                                    30        40        50        60        70        80        90       100       110       120       130       140         
           AZUR_ACHDE    21 AQCEATIESNDAMQYNLKEMVVDKSCKQFTVHLKHVGKMAKVAMGHNWVLTKEADKQGVATDGMNAGLAQDYVKAGDTRVIAHTKVIGGGESDSVTFDVSKLTPGEAYAYFCSFPGHWAMMKGTLKLSN 149
               SCOP domains d1a4ca_ A: Azurin                                                                                                                 SCOP domains
               CATH domains 1a4cA00 A:1-129 Cupredoxins -  blue copper proteins                                                                               CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------- Pfam domains
     Sec.struct. author (1) ..eeeeeeee...eee.eeeee....eeeeeeeeee.........eeeeee...hhhhhhhhhhhhh.............eeeeeee...-------hhhhh.....eeeee........eeeeeeee. Sec.struct. author (1)
     Sec.struct. author (2) ------------------------------------------------------------------------------------------eeeeeeeee------------------------------ Sec.struct. author (2)
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------COPPER_BLUE      -------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1a4c A   1 AQCEATIESNDAMQYDLKEMVVDKSCKQFTVHLKHVGKMAKSAMGHNWVLTKEADKEGVATDGMNAGLAQDYVKAGDTRVIAHTKVIGGGESDSVTFDVSKLTPGEAYAYFCSFPGHWAMHKGTLKLSN 129
                                    10        20        30        40        50        60        70        80        90       100       110       120         

Chain B from PDB  Type:PROTEIN  Length:129
 aligned with AZUR_ACHDE | P00280 from UniProtKB/Swiss-Prot  Length:149

    Alignment length:129
                                    30        40        50        60        70        80        90       100       110       120       130       140         
           AZUR_ACHDE    21 AQCEATIESNDAMQYNLKEMVVDKSCKQFTVHLKHVGKMAKVAMGHNWVLTKEADKQGVATDGMNAGLAQDYVKAGDTRVIAHTKVIGGGESDSVTFDVSKLTPGEAYAYFCSFPGHWAMMKGTLKLSN 149
               SCOP domains d1a4cb_ B: Azurin                                                                                                                 SCOP domains
               CATH domains 1a4cB00 B:1-129 Cupredoxins -  blue copper proteins                                                                               CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------- Pfam domains
     Sec.struct. author (1) ..eeeeeeee...eee.eeeee....eeeeeeeeee.........eeeeee...hhhhhhhhhhhhh.............eeeeeee...-------hhhhh.....eeeee........eeeeeeee. Sec.struct. author (1)
     Sec.struct. author (2) ------------------------------------------------------------------------------------------eeeeeeeee------------------------------ Sec.struct. author (2)
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------COPPER_BLUE      -------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1a4c B   1 AQCEATIESNDAMQYDLKEMVVDKSCKQFTVHLKHVGKMAKSAMGHNWVLTKEADKEGVATDGMNAGLAQDYVKAGDTRVIAHTKVIGGGESDSVTFDVSKLTPGEAYAYFCSFPGHWAMHKGTLKLSN 129
                                    10        20        30        40        50        60        70        80        90       100       110       120         

Chain C from PDB  Type:PROTEIN  Length:129
 aligned with AZUR_ACHDE | P00280 from UniProtKB/Swiss-Prot  Length:149

    Alignment length:129
                                    30        40        50        60        70        80        90       100       110       120       130       140         
           AZUR_ACHDE    21 AQCEATIESNDAMQYNLKEMVVDKSCKQFTVHLKHVGKMAKVAMGHNWVLTKEADKQGVATDGMNAGLAQDYVKAGDTRVIAHTKVIGGGESDSVTFDVSKLTPGEAYAYFCSFPGHWAMMKGTLKLSN 149
               SCOP domains d1a4cc_ C: Azurin                                                                                                                 SCOP domains
               CATH domains 1a4cC00 C:1-129 Cupredoxins -  blue copper proteins                                                                               CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------- Pfam domains
     Sec.struct. author (1) ..eeeeeeee...eee.eeeee....eeeeeeeeee.........eeeeee...hhhhhhhhhhhhh.............eeeeeee...-------hhhhh.....eeeee........eeeeeeee. Sec.struct. author (1)
     Sec.struct. author (2) ------------------------------------------------------------------------------------------eeeeeeeee------------------------------ Sec.struct. author (2)
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------COPPER_BLUE      -------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1a4c C   1 AQCEATIESNDAMQYDLKEMVVDKSCKQFTVHLKHVGKMAKSAMGHNWVLTKEADKEGVATDGMNAGLAQDYVKAGDTRVIAHTKVIGGGESDSVTFDVSKLTPGEAYAYFCSFPGHWAMHKGTLKLSN 129
                                    10        20        30        40        50        60        70        80        90       100       110       120         

Chain D from PDB  Type:PROTEIN  Length:129
 aligned with AZUR_ACHDE | P00280 from UniProtKB/Swiss-Prot  Length:149

    Alignment length:129
                                    30        40        50        60        70        80        90       100       110       120       130       140         
           AZUR_ACHDE    21 AQCEATIESNDAMQYNLKEMVVDKSCKQFTVHLKHVGKMAKVAMGHNWVLTKEADKQGVATDGMNAGLAQDYVKAGDTRVIAHTKVIGGGESDSVTFDVSKLTPGEAYAYFCSFPGHWAMMKGTLKLSN 149
               SCOP domains d1a4cd_ D: Azurin                                                                                                                 SCOP domains
               CATH domains 1a4cD00 D:1-129 Cupredoxins -  blue copper proteins                                                                               CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------- Pfam domains
     Sec.struct. author (1) ..eeeeeeee...eee.eeeee....eeeeeeeeee.........eeeeee...hhhhhhhhhhhhh.............eeeeeee...-------hhhhh.....eeeee........eeeeeeee. Sec.struct. author (1)
     Sec.struct. author (2) ------------------------------------------------------------------------------------------eeeeeeeee------------------------------ Sec.struct. author (2)
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------COPPER_BLUE      -------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1a4c D   1 AQCEATIESNDAMQYDLKEMVVDKSCKQFTVHLKHVGKMAKSAMGHNWVLTKEADKEGVATDGMNAGLAQDYVKAGDTRVIAHTKVIGGGESDSVTFDVSKLTPGEAYAYFCSFPGHWAMHKGTLKLSN 129
                                    10        20        30        40        50        60        70        80        90       100       110       120         

   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  (1, 4)

Asymmetric Unit

(-) CATH Domains  (1, 4)

Asymmetric Unit
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1A4C)

(-) Gene Ontology  (5, 5)

Asymmetric Unit(hide GO term definitions)
Chain A,B,C,D   (AZUR_ACHDE | P00280)
molecular function
    GO:0005507    copper ion binding    Interacting selectively and non-covalently with copper (Cu) ions.
    GO:0009055    electron carrier activity    Any molecular entity that serves as an electron acceptor and electron donor in an electron transport chain. An electron transport chain is a process in which a series of electron carriers operate together to transfer electrons from donors to any of several different terminal electron acceptors to generate a transmembrane electrochemical gradient.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
biological process
    GO:0055114    oxidation-reduction process    A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
cellular component
    GO:0042597    periplasmic space    The region between the inner (cytoplasmic) and outer membrane (Gram-negative Bacteria) or cytoplasmic membrane and cell wall (Fungi and Gram-positive Bacteria).

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 Related Entries

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

UniProtKB/Swiss-Prot
        AZUR_ACHDE | P002801a4a 1a4b 1aiz 1azb 1azc 1uri 2aza

(-) Related Entries Specified in the PDB File

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