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(-) Description

Title :  DIABETES MELLITUS DUE TO A FRUSTRATED SCHELLMAN MOTIF IN HNF-1A
 
Authors :  N. Narayana, N. B. Phillips, Q. X. Hua, W. Jia, M. A. Weiss
Date :  09 May 06  (Deposition) - 20 Mar 07  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.40
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (2x)
Biol. Unit 2:  B  (2x)
Biol. Unit 3:  A,B  (2x)
Keywords :  Energy Landscape, Gene Regulation, Protein Engineering, Protein Stability, Protein Structure, Transcription Regulator (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  N. Narayana, N. B. Phillips, Q. X. Hua, W. Jia, M. A. Weiss
Diabetes Mellitus Due To Misfolding Of A Beta-Cell Transcription Factor: Stereospecific Frustration Of A Schellman Motif In Hnf-1Alpha.
J. Mol. Biol. V. 362 414 2006
PubMed-ID: 16930618  |  Reference-DOI: 10.1016/J.JMB.2006.06.086
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - HEPATOCYTE NUCLEAR FACTOR 1-ALPHA
    ChainsA, B
    EngineeredYES
    FragmentDIMERIZATION DOMAIN
    MutationYES
    Other DetailsTHE SEQUENCE WAS CHEMCIALLY SYNTHESIZED. THE SOURCE IS NATURALLY FOUND IN HOMO SAPIENS (HUMAN).
    SynonymHNF-1A, LIVER-SPECIFIC TRANSCRIPTION FACTOR LF-B1, LFB1, TRANSCRIPTION FACTOR 1, TCF-1
    SyntheticYES

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

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

Asymmetric Unit (2, 4)
No.NameCountTypeFull Name
1DAL2Mod. Amino AcidD-ALANINE
2NLE2Mod. Amino AcidNORLEUCINE
Biological Unit 1 (2, 4)
No.NameCountTypeFull Name
1DAL2Mod. Amino AcidD-ALANINE
2NLE2Mod. Amino AcidNORLEUCINE
Biological Unit 2 (2, 4)
No.NameCountTypeFull Name
1DAL2Mod. Amino AcidD-ALANINE
2NLE2Mod. Amino AcidNORLEUCINE
Biological Unit 3 (2, 8)
No.NameCountTypeFull Name
1DAL4Mod. Amino AcidD-ALANINE
2NLE4Mod. Amino AcidNORLEUCINE

(-) Sites  (0, 0)

(no "Site" information available for 2GYP)

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (4, 8)

Asymmetric Unit (4, 8)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_010537L12HHNF1A_HUMANDisease (MODY3)  ---A
B
L12
45
H
2UniProtVAR_012483G20RHNF1A_HUMANDisease (MODY3)  ---A
B
A20
53
R
3UniProtVAR_007905I27LHNF1A_HUMANPolymorphism1169288A
B
I27
60
L
4UniProtVAR_010538G31DHNF1A_HUMANDisease (MODY3)  ---A
B
G31
64
D

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 1 (4, 8)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_010537L12HHNF1A_HUMANDisease (MODY3)  ---A
A
L12
45
H
2UniProtVAR_012483G20RHNF1A_HUMANDisease (MODY3)  ---A
A
A20
53
R
3UniProtVAR_007905I27LHNF1A_HUMANPolymorphism1169288A
A
I27
60
L
4UniProtVAR_010538G31DHNF1A_HUMANDisease (MODY3)  ---A
A
G31
64
D

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 2 (4, 8)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_010537L12HHNF1A_HUMANDisease (MODY3)  ---A
B
L12
45
H
2UniProtVAR_012483G20RHNF1A_HUMANDisease (MODY3)  ---A
B
A20
53
R
3UniProtVAR_007905I27LHNF1A_HUMANPolymorphism1169288A
B
I27
60
L
4UniProtVAR_010538G31DHNF1A_HUMANDisease (MODY3)  ---A
B
G31
64
D

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 3 (4, 16)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_010537L12HHNF1A_HUMANDisease (MODY3)  ---A
A/B
L12
45
H
2UniProtVAR_012483G20RHNF1A_HUMANDisease (MODY3)  ---A
A/B
A20
53
R
3UniProtVAR_007905I27LHNF1A_HUMANPolymorphism1169288A
A/B
I27
60
L
4UniProtVAR_010538G31DHNF1A_HUMANDisease (MODY3)  ---A
A/B
G31
64
D

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (1, 2)

Asymmetric Unit (1, 2)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1aENST000002575551aENSE00001893688chr12:121416346-121416897552HNF1A_HUMAN1-1091092A:1-33
B:34-66
33
33
1.2ENST000002575552ENSE00000756493chr12:121426636-121426835200HNF1A_HUMAN109-176680--
1.3ENST000002575553ENSE00000756490chr12:121431323-121431509187HNF1A_HUMAN176-238630--
1.4ENST000002575554ENSE00000564735chr12:121431967-121432208242HNF1A_HUMAN238-319820--
1.5ENST000002575555ENSE00000756487chr12:121434065-121434216152HNF1A_HUMAN319-369510--
1.6aENST000002575556aENSE00000940088chr12:121434344-121434545202HNF1A_HUMAN370-437680--
1.6eENST000002575556eENSE00000756464chr12:121435277-121435468192HNF1A_HUMAN437-501650--
1.7ENST000002575557ENSE00000756456chr12:121437071-121437192122HNF1A_HUMAN501-541410--
1.8ENST000002575558ENSE00000756450chr12:121437286-121437430145HNF1A_HUMAN542-590490--
1.9aENST000002575559aENSE00000835338chr12:121438868-1214408992032HNF1A_HUMAN590-631420--

(-) 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:33
 aligned with HNF1A_HUMAN | P20823 from UniProtKB/Swiss-Prot  Length:631

    Alignment length:33
                                    10        20        30   
           HNF1A_HUMAN    1 MVSKLSQLQTELLAALLESGLSKEALIQALGEP 33
               SCOP domains --------------------------------- SCOP domains
               CATH domains --------------------------------- CATH domains
               Pfam domains --------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhhhhh.hhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) --------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------- PROSITE
               Transcript 1 Exon 1.1a  PDB: A:1-33            Transcript 1
                  2gyp A  1 lVSKLSQLQTELLAALLESaLSKEALIQALGEW 33
                            |       10        20        30   
                            |                 20-DAL         
                            1-NLE                            

Chain B from PDB  Type:PROTEIN  Length:33
 aligned with HNF1A_HUMAN | P20823 from UniProtKB/Swiss-Prot  Length:631

    Alignment length:33
                                    10        20        30   
           HNF1A_HUMAN    1 MVSKLSQLQTELLAALLESGLSKEALIQALGEP 33
               SCOP domains --------------------------------- SCOP domains
               CATH domains --------------------------------- CATH domains
               Pfam domains --------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhhhh..hhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) -----------H-------R------L---D-- SAPs(SNPs)
                    PROSITE --------------------------------- PROSITE
               Transcript 1 Exon 1.1a  PDB: B:34-66           Transcript 1
                  2gyp B 34 lVSKLSQLQTELLAALLESaLSKEALIQALGEW 66
                            |       43        53        63   
                           34-NLE             53-DAL         

   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 2GYP)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2GYP)

(-) Gene Ontology  (23, 23)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (HNF1A_HUMAN | P20823)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    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:0046983    protein dimerization activity    The formation of a protein dimer, a macromolecular structure consists of two noncovalently associated identical or nonidentical subunits.
    GO:0046982    protein heterodimerization activity    Interacting selectively and non-covalently with a nonidentical protein to form a heterodimer.
    GO:0042803    protein homodimerization activity    Interacting selectively and non-covalently with an identical protein to form a homodimer.
    GO:0003700    transcription factor activity, sequence-specific DNA binding    Interacting selectively and non-covalently with a specific DNA sequence in order to modulate transcription. The transcription factor may or may not also interact selectively with a protein or macromolecular complex.
    GO:0044212    transcription regulatory region DNA binding    Interacting selectively and non-covalently with a DNA region that regulates the transcription of a region of DNA, which may be a gene, cistron, or operon. Binding may occur as a sequence specific interaction or as an interaction observed only once a factor has been recruited to the DNA by other factors.
    GO:0001077    transcriptional activator activity, RNA polymerase II core promoter proximal region sequence-specific binding    Interacting selectively and non-covalently with a sequence of DNA that is in cis with and relatively close to a core promoter for RNA polymerase II (RNAP II) in order to activate or increase the frequency, rate or extent of transcription from the RNAP II promoter.
biological process
    GO:0042593    glucose homeostasis    Any process involved in the maintenance of an internal steady state of glucose within an organism or cell.
    GO:0046323    glucose import    The directed movement of the hexose monosaccharide glucose into a cell or organelle.
    GO:0030073    insulin secretion    The regulated release of proinsulin from secretory granules (B granules) in the B cells of the pancreas; accompanied by cleavage of proinsulin to form mature insulin.
    GO:0045944    positive regulation of transcription from RNA polymerase II promoter    Any process that activates or increases the frequency, rate or extent of transcription from an RNA polymerase II promoter.
    GO:0060261    positive regulation of transcription initiation from RNA polymerase II promoter    Any process that increases the rate, frequency or extent of a process involved in starting transcription from an RNA polymerase II promoter.
    GO:0045893    positive regulation of transcription, DNA-templated    Any process that activates or increases the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0035565    regulation of pronephros size    Any process that modulates the size of a pronephric kidney.
    GO:0006357    regulation of transcription from RNA polymerase II promoter    Any process that modulates the frequency, rate or extent of transcription from an RNA polymerase II promoter.
    GO:0006355    regulation of transcription, DNA-templated    Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0035623    renal glucose absorption    A renal system process in which glucose is taken up from the collecting ducts and proximal and distal loops of the nephron. In non-mammalian species, absorption may occur in related structures.
    GO:0006366    transcription from RNA polymerase II promoter    The synthesis of RNA from a DNA template by RNA polymerase II, originating at an RNA polymerase II promoter. Includes transcription of messenger RNA (mRNA) and certain small nuclear RNAs (snRNAs).
    GO:0006351    transcription, DNA-templated    The cellular synthesis of RNA on a template of DNA.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005634    nucleus    A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
    GO:0043234    protein complex    A stable macromolecular complex composed (only) of two or more polypeptide subunits along with any covalently attached molecules (such as lipid anchors or oligosaccharide) or non-protein prosthetic groups (such as nucleotides or metal ions). Prosthetic group in this context refers to a tightly bound cofactor. The component polypeptide subunits may be identical.

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 Related Entries

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

UniProtKB/Swiss-Prot
        HNF1A_HUMAN | P208231ic8

(-) Related Entries Specified in the PDB File

1g2y THE SAME PROTEIN WITHOUT MODIFICATION AT POSITION 20 AND HAS SE-MET AT POSITION 12
1g2z THE SAME PROTEIN WITHOUT MODIFICATION AT POSITION 20 AND HAS SE-MET AT POSITION 13
1g39 NATIVE PROTEIN.
1jb6 THE SAME PROTEIN WITHOUT MODIFICATION AT POSITION 20 AND HAS SE-MET AT POSITION 13