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(-) Description

Title :  CRYSTAL STRUCTURE OF A NOVEL DISULFIDE-LINKED "TREFOIL" MOTIF FOUND IN A LARGE FAMILY OF PUTATIVE GROWTH FACTORS
 
Authors :  A. De, D. Brown, M. Gorman, M. Carr, M. R. Sanderson, P. S. Freemont
Date :  08 Oct 93  (Deposition) - 31 Jan 94  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.60
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Growth Factor (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. De, D. G. Brown, M. A. Gorman, M. Carr, M. R. Sanderson, P. S. Freemont
Crystal Structure Of A Disulfide-Linked "Trefoil" Motif Found In A Large Family Of Putative Growth Factors.
Proc. Natl. Acad. Sci. Usa V. 91 1084 1994
PubMed-ID: 8302836  |  Reference-DOI: 10.1073/PNAS.91.3.1084
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - PORCINE PANCREATIC SPASMOLYTIC POLYPEPTIDE
    Chains: A, B
    Engineered: YES
    Organism Common: PIG
    Organism Scientific: SUS SCROFA
    Organism Taxid: 9823

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric Unit (1, 2)
No.NameCountTypeFull Name
1PCA2Mod. Amino AcidPYROGLUTAMIC ACID
Biological Unit 1 (1, 1)
No.NameCountTypeFull Name
1PCA1Mod. Amino AcidPYROGLUTAMIC ACID
Biological Unit 2 (1, 1)
No.NameCountTypeFull Name
1PCA1Mod. Amino AcidPYROGLUTAMIC ACID

(-) Sites  (0, 0)

(no "Site" information available for 1POS)

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (2, 8)

Asymmetric Unit (2, 8)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1P_TREFOIL_2PS51448 P-type 'Trefoil' domain profile.TFF2_PIG27-71
 
77-120
 		  4A:6-50
B:6-50
A:56-99
B:56-99
2P_TREFOIL_1PS00025 P-type 'Trefoil' domain signature.TFF2_PIG37-57
 
86-106
 		  4A:16-36
B:16-36
A:65-85
B:65-85
Biological Unit 1 (2, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1P_TREFOIL_2PS51448 P-type 'Trefoil' domain profile.TFF2_PIG27-71
 
77-120
 		  2A:6-50
-
A:56-99
-
2P_TREFOIL_1PS00025 P-type 'Trefoil' domain signature.TFF2_PIG37-57
 
86-106
 		  2A:16-36
-
A:65-85
-
Biological Unit 2 (2, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1P_TREFOIL_2PS51448 P-type 'Trefoil' domain profile.TFF2_PIG27-71
 
77-120
 		  2-
B:6-50
-
B:56-99
2P_TREFOIL_1PS00025 P-type 'Trefoil' domain signature.TFF2_PIG37-57
 
86-106
 		  2-
B:16-36
-
B:65-85

(-) Exons   (0, 0)

(no "Exon" information available for 1POS)

(-) 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:106
 aligned with TFF2_PIG | P01359 from UniProtKB/Swiss-Prot  Length:127

    Alignment length:106
                                    31        41        51        61        71        81        91       101       111       121      
             TFF2_PIG    22 QKPAACRCSRQDPKNRVNCGFPGITSDQCFTSGCCFDSQVPGVPWCFKPLPAQESEECVMEVSARKNCGYPGISPEDCARRNCCFSDTIPEVPWCFFPMSVEDCHY 127
               SCOP domains d1posa1 A:1-53 Pancreatic spasmolytic polypeptide    d1posa2 A:54-106 Pancreatic spasmolytic polypeptide   SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhh..............hhhhhhhh..eee.......eee.......hhhhhhh.............hhhhhhh......................... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -----P_TREFOIL_2  PDB: A:6-50 UniProt: 27-71      -----P_TREFOIL_2  PDB: A:56-99 UniProt: 77-120   ------- PROSITE (1)
                PROSITE (2) ---------------P_TREFOIL_1          ----------------------------P_TREFOIL_1          --------------------- PROSITE (2)
                 Transcript ---------------------------------------------------------------------------------------------------------- Transcript
                 1pos A   1 xKPAACRCSRQDPKNRVNCGFPGITSDQCFTSGCCFDSQVPGVPWCFKPLPAQESEECVMQVSARKNCGYPGISPEDCAARNCCFSDTIPEVPWCFFPMSVEDCHY 106
                            |       10        20        30        40        50        60        70        80        90       100      
                            |                                                                                                         
                            1-PCA                                                                                                     


Chain B from PDB  Type:PROTEIN  Length:106
 aligned with TFF2_PIG | P01359 from UniProtKB/Swiss-Prot  Length:127

    Alignment length:106
                                    31        41        51        61        71        81        91       101       111       121      
             TFF2_PIG    22 QKPAACRCSRQDPKNRVNCGFPGITSDQCFTSGCCFDSQVPGVPWCFKPLPAQESEECVMEVSARKNCGYPGISPEDCARRNCCFSDTIPEVPWCFFPMSVEDCHY 127
               SCOP domains d1posb1 B:1-53 Pancreatic spasmolytic polypeptide    d1posb2 B:54-106 Pancreatic spasmolytic polypeptide   SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhh..............hhhhhhhh......................hhhhhhh.............hhhhhhh..eee.......eee.......... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -----P_TREFOIL_2  PDB: B:6-50 UniProt: 27-71      -----P_TREFOIL_2  PDB: B:56-99 UniProt: 77-120   ------- PROSITE (1)
                PROSITE (2) ---------------P_TREFOIL_1          ----------------------------P_TREFOIL_1          --------------------- PROSITE (2)
                 Transcript ---------------------------------------------------------------------------------------------------------- Transcript
                 1pos B   1 xKPAACRCSRQDPKNRVNCGFPGITSDQCFTSGCCFDSQVPGVPWCFKPLPAQESEECVMQVSARKNCGYPGISPEDCAARNCCFSDTIPEVPWCFFPMSVEDCHY 106
                            |       10        20        30        40        50        60        70        80        90       100      
                            1-PCA
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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, 4)

Asymmetric Unit
(-)
Class: Small proteins (3458)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (2, 2)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (TFF2_PIG | P01359)
molecular function
    GO:0008083    growth factor activity    The function that stimulates a cell to grow or proliferate. Most growth factors have other actions besides the induction of cell growth or proliferation.
cellular component
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.

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 Related Entries

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

UniProtKB/Swiss-Prot
        TFF2_PIG | P01359: 1pcp 1psp 2psp

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