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(-) Description

Title :  SOLUTION STRUCTURE OF THE HUMAN ALPHA-HEMOGLOBIN STABILIZING PROTEIN (AHSP) P30A MUTANT
 
Authors :  C. M. Santiveri, J. M. Perez-Canadillas, M. K. Vadivelu, M. D. Allen, T. J. Rutherford, N. A. Watkins, M. Bycroft
Date :  02 Jun 04  (Deposition) - 10 Jun 04  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (20x)
Keywords :  Chaperone, Ahsp P30A Mutant Nmr Structure, Proline Cis/Trans Isomerization, Alpha-Thalassaemia, Alpha-Hemoglobin Binding (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  C. M. Santiveri, J. M. Perez-Canadillas, M. K. Vadivelu, M. D. Allen, T. J. Rutherford, N. A. Watkins, M. Bycroft
Nmr Structure Of The Alpha-Hemoglobin Chaperone Ahsp: Insights Into Conformational Heterogeneity And Binding
J. Biol. Chem. V. 279 34963 2004
PubMed-ID: 15178680  |  Reference-DOI: 10.1074/JBC.M405016200

(-) Compounds

Molecule 1 - ALPHA-HEMOGLOBIN STABILIZING PROTEIN
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PRSET (A)
    Expression System Strain: C41
    Expression System Taxid: 562
    Mutation: YES
    Organism Common: HUMAN
    Organism Scientific: HOMO SAPIENS
    Organism Taxid: 9606
    Other Details: PRO 30 OF HUMAN AHSP HAS BEEN MUTATED TO ALA
    Synonym: ERYTHROID ASSOCIATED FACTOR, ERYTHROID DIFFERENTIATION RELATED FACTOR

 Structural Features

(-) Chains, Units

  
NMR Structure (20x): 

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 1W0B)

(-) Sites  (0, 0)

(no "Site" information available for 1W0B)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1W0B)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1W0B)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (1, 1)

NMR Structure (1, 1)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_050650P100TAHSP_HUMANPolymorphism36018996AP100T
  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1W0B)

(-) Exons   (2, 2)

NMR Structure (2, 2)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1ENST000003023121ENSE00001171596chr16:31539185-3153928399AHSP_HUMAN-00--
1.2ENST000003023122ENSE00001171609chr16:31539457-3153953579AHSP_HUMAN1-25251A:1-2525
1.3ENST000003023123ENSE00001171603chr16:31539779-31540124346AHSP_HUMAN26-102771A:26-10277

(-) Sequences/Alignments

NMR Structure
   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:102
 aligned with AHSP_HUMAN | Q9NZD4 from UniProtKB/Swiss-Prot  Length:102

    Alignment length:102
                                    10        20        30        40        50        60        70        80        90       100  
           AHSP_HUMAN     1 MALLKANKDLISAGLKEFSVLLNQQVFNDPLVSEEDMVTVVEDWMNFYINYYRQQVTGEPQERDKALQELRQELNTLANPFLAKYRDFLKSHELPSHPPPSS 102
               SCOP domains d1w0ba_ A: Alpha-hemoglobin stabilizing protein AHSP                                                   SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ----AHSP-1w0bA01 A:5-93                                                                      --------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhhhhhhhh........hhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.......... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------T-- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------ PROSITE
               Transcript 1 Exon 1.2  PDB: A:1-25    Exon 1.3  PDB: A:26-102 UniProt: 26-102                                       Transcript 1
                 1w0b A   1 SALLKANKDLISAGLKEFSVLLNQQVFNDALVSEEDMVTVVEDWMNFYINYYRQQVTGEPQERDKALQELRQELNTLANPFLAKYRDFLKSHELPSHPPPSS 102
                                    10        20        30        40        50        60        70        80        90       100
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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  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, 1)

NMR Structure
(-)
Class: All alpha proteins (14657)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1W0B)

(-) Pfam Domains  (1, 1)

NMR Structure
(-)
Clan: no clan defined [family: AHSP] (6)

(-) Gene Ontology  (10, 10)

NMR Structure(hide GO term definitions)
Chain A   (AHSP_HUMAN | Q9NZD4)
molecular function
    GO:0030492    hemoglobin binding    Interacting selectively and non-covalently with hemoglobin, an oxygen carrying, conjugated protein containing four heme groups and globin.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0051082    unfolded protein binding    Interacting selectively and non-covalently with an unfolded protein.
biological process
    GO:0030218    erythrocyte differentiation    The process in which a myeloid precursor cell acquires specializes features of an erythrocyte.
    GO:0020027    hemoglobin metabolic process    The chemical reactions and pathways involving hemoglobin, including its uptake and utilization.
    GO:0030097    hemopoiesis    The process whose specific outcome is the progression of the myeloid and lymphoid derived organ/tissue systems of the blood and other parts of the body over time, from formation to the mature structure. The site of hemopoiesis is variable during development, but occurs primarily in bone marrow or kidney in many adult vertebrates.
    GO:0006457    protein folding    The process of assisting in the covalent and noncovalent assembly of single chain polypeptides or multisubunit complexes into the correct tertiary structure.
    GO:0050821    protein stabilization    Any process involved in maintaining the structure and integrity of a protein and preventing it from degradation or aggregation.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005833    hemoglobin complex    An iron-containing, oxygen carrying complex. In vertebrates it is made up of two pairs of associated globin polypeptide chains, each chain carrying a noncovalently bound heme prosthetic group.

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 Related Entries

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

UniProtKB/Swiss-Prot
        AHSP_HUMAN | Q9NZD4: 1w09 1w0a 1xzy 1y01 1z8u 3ia3 3ovu

(-) Related Entries Specified in the PDB File

1w09 SOLUTION STRUCTURE OF THE CIS FORM OF THE HUMAN ALPHA-HEMOGLOBIN STABILIZING PROTEIN ( AHSP)
1w0a SOLUTION STRUCTURE OF THE TRANS FORM OF THE HUMAN ALPHA-HEMOGLOBIN STABILIZING PROTEIN (AHSP)