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(-) Description

Title :  CRYSTAL STRUCTURE OF A TANDEM PAIR OF FIBRONECTIN TYPE III DOMAINS FROM THE CYTOPLASMIC TAIL OF INTEGRIN ALPHA6 BETA4
 
Authors :  J. M. De Pereda, G. Wiche, R. C. Liddington
Date :  19 Apr 99  (Deposition) - 20 Aug 99  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.15
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Integrin, Hemidesmosome, Fibronectin, Carcinoma, Structural Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  J. M. De Pereda, G. Wiche, R. C. Liddington
Crystal Structure Of A Tandem Pair Of Fibronectin Type Iii Domains From The Cytoplasmic Tail Of Integrin Alpha6Beta4.
Embo J. V. 18 4087 1999
PubMed-ID: 10428948  |  Reference-DOI: 10.1093/EMBOJ/18.15.4087

(-) Compounds

Molecule 1 - PROTEIN (INTEGRIN BETA-4 SUBUNIT)
    ChainsA, B
    EngineeredYES
    Expression SystemESCHERICHIA COLI BL21(DE3)
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System VectorPET15B
    FragmentFIRST TANDEM PAIR OF FIBRONECTIN TYPE III DOMAINS
    GeneITGB4
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 5)

Asymmetric/Biological Unit (2, 5)
No.NameCountTypeFull Name
1CAC2Ligand/IonCACODYLATE ION
2SO43Ligand/IonSULFATE ION

(-) Sites  (5, 5)

Asymmetric Unit (5, 5)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHOH B:20 , ARG B:1289BINDING SITE FOR RESIDUE CAC B 382
2AC2SOFTWAREHOH A:19 , HOH A:172 , LYS A:1271 , ARG A:1289 , TYR A:1294BINDING SITE FOR RESIDUE CAC A 383
3AC3SOFTWAREGLY A:1139 , SER A:1140 , LYS A:1142 , SER B:1140 , LYS B:1142BINDING SITE FOR RESIDUE SO4 A 384
4AC4SOFTWAREHOH A:202 , HIS A:1216 , GLN A:1217 , HOH B:377BINDING SITE FOR RESIDUE SO4 A 385
5AC5SOFTWAREHIS B:1216 , GLN B:1217BINDING SITE FOR RESIDUE SO4 B 386

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1QG3)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1QG3)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (3, 6)

Asymmetric/Biological Unit (3, 6)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_011300H1216QITB4_HUMANPolymorphism149284152A/BH1216Q
2UniProtVAR_011301R1225HITB4_HUMANDisease (EB-PA)121912468A/BR1225H
3UniProtVAR_004011R1281WITB4_HUMANDisease (EB-PA)121912467A/BR1281W

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

(-) PROSITE Motifs  (1, 4)

Asymmetric/Biological Unit (1, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1FN3PS50853 Fibronectin type-III domain profile.ITB4_HUMAN1129-1218
 
1222-1321
 
1530-1625
1643-1739
  4A:1129-1218
B:1129-1218
A:1222-1320
B:1222-1320
-
-

(-) Exons   (4, 8)

Asymmetric/Biological Unit (4, 8)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1ENST000002001811ENSE00001241194chr17:73717516-73717692177ITB4_HUMAN-00--
1.2aENST000002001812aENSE00001324771chr17:73720774-7372086289ITB4_HUMAN1-27270--
1.3ENST000002001813ENSE00001124485chr17:73723275-7372335783ITB4_HUMAN27-54280--
1.4ENST000002001814ENSE00000949747chr17:73723485-73723586102ITB4_HUMAN55-88340--
1.5ENST000002001815ENSE00001124471chr17:73723732-73723936205ITB4_HUMAN89-157690--
1.6ENST000002001816ENSE00001124465chr17:73724458-7372455497ITB4_HUMAN157-189330--
1.7ENST000002001817ENSE00001124457chr17:73725346-73725517172ITB4_HUMAN189-246580--
1.8ENST000002001818ENSE00001124449chr17:73726322-73726585264ITB4_HUMAN247-334880--
1.9ENST000002001819ENSE00001124443chr17:73726956-7372704590ITB4_HUMAN335-364300--
1.10ENST0000020018110ENSE00001124439chr17:73727327-73727449123ITB4_HUMAN365-405410--
1.11ENST0000020018111ENSE00001124435chr17:73727893-73728054162ITB4_HUMAN406-459540--
1.12ENST0000020018112ENSE00001124428chr17:73728244-7372832077ITB4_HUMAN460-485260--
1.13ENST0000020018113ENSE00001124422chr17:73729571-73729773203ITB4_HUMAN485-553690--
1.14ENST0000020018114ENSE00001124416chr17:73732132-73732235104ITB4_HUMAN553-587350--
1.15ENST0000020018115ENSE00001124412chr17:73732369-7373246799ITB4_HUMAN588-620330--
1.16ENST0000020018116ENSE00001124406chr17:73732646-73732775130ITB4_HUMAN621-664440--
1.17ENST0000020018117ENSE00001124401chr17:73733403-73733525123ITB4_HUMAN664-705420--
1.18ENST0000020018118ENSE00001124394chr17:73733619-73733725107ITB4_HUMAN705-740360--
1.19ENST0000020018119ENSE00000949763chr17:73735753-7373578634ITB4_HUMAN741-752120--
1.20ENST0000020018120ENSE00000949766chr17:73735961-73736152192ITB4_HUMAN752-816650--
1.21aENST0000020018121aENSE00000949770chr17:73736439-73736542104ITB4_HUMAN816-850350--
1.22ENST0000020018122ENSE00001687345chr17:73736874-7373693259ITB4_HUMAN851-870200--
1.23ENST0000020018123ENSE00001619429chr17:73737063-7373708624ITB4_HUMAN870-87890--
1.24ENST0000020018124ENSE00001805264chr17:73738422-73738570149ITB4_HUMAN878-928510--
1.25ENST0000020018125ENSE00001680833chr17:73738663-73738842180ITB4_HUMAN928-988610--
1.26ENST0000020018126ENSE00001768237chr17:73739794-73739942149ITB4_HUMAN988-1037500--
1.27ENST0000020018127ENSE00001689069chr17:73744922-73745126205ITB4_HUMAN1038-1106690--
1.28ENST0000020018128ENSE00001774407chr17:73746192-73746349158ITB4_HUMAN1106-1158532A:1126-1158
B:1127-1158
33
32
1.29ENST0000020018129ENSE00001767853chr17:73746761-73746941181ITB4_HUMAN1159-1219612A:1159-1219
B:1159-1219
61
61
1.30ENST0000020018130ENSE00001697152chr17:73747055-73747192138ITB4_HUMAN1219-1265472A:1219-1265
B:1219-1265
47
47
1.31ENST0000020018131ENSE00001652055chr17:73748255-73748437183ITB4_HUMAN1265-1326622A:1265-1320
B:1265-1320
56
56
1.32ENST0000020018132ENSE00001699238chr17:73748527-73748658132ITB4_HUMAN1326-1370450--
1.33ENST0000020018133ENSE00001194868chr17:73749846-73750055210ITB4_HUMAN1370-1440710--
1.34ENST0000020018134ENSE00001639205chr17:73750657-73750896240ITB4_HUMAN1440-1520810--
1.36ENST0000020018136ENSE00001653111chr17:73751782-73751931150ITB4_HUMAN1520-1570510--
1.37ENST0000020018137ENSE00001797424chr17:73752510-73752698189ITB4_HUMAN1570-1633640--
1.38bENST0000020018138bENSE00001690108chr17:73752785-73752940156ITB4_HUMAN1633-1685530--
1.39ENST0000020018139ENSE00001630802chr17:73753024-73753188165ITB4_HUMAN1685-1740560--
1.40ENST0000020018140ENSE00001616309chr17:73753281-73753391111ITB4_HUMAN1740-1777380--
1.41ENST0000020018141ENSE00001631008chr17:73753497-73753898402ITB4_HUMAN1777-1822460--

(-) Sequences/Alignments

Asymmetric/Biological 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:195
 aligned with ITB4_HUMAN | P16144 from UniProtKB/Swiss-Prot  Length:1822

    Alignment length:195
                                  1135      1145      1155      1165      1175      1185      1195      1205      1215      1225      1235      1245      1255      1265      1275      1285      1295      1305      1315     
          ITB4_HUMAN   1126 DLGAPQNPNAKAAGSRKIHFNWLPPSGKPMGYRVKYWIQGDSESEAHLLDSKVPSVELTNLYPYCDYEMKVCAYGAQGEGPYSSLVSCRTHQEVPSEPGRLAFNVVSSTVTQLSWAEPAETNGEITAYEVCYGLVNDDNRPIGPMKKVLVDNPKNRMLLIENLRESQPYRYTVKARNGAGWGPEREAIINLATQP 1320
               SCOP domains d1qg3a1 A:1126-1217 Integrin beta-4 subunit                                                 d1qg3a2 A:1218-1320 Integrin beta-4 subunit                                                             SCOP domains
               CATH domains 1qg3A01 A:1126-1216 Immunoglobulins                                                        1qg3A02 A:1217-1320 Immunoglobulins                                                                      CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ........eeee.....eeee.........eeeeeeee....hhh.eeeee...eeee.......eeeeeeeee...........eeee............eeeeee..eeeee............eeeeeeee...........eeeee......eeee........eeeeeeee........eeeee.hhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------Q--------H-------------------------------------------------------W--------------------------------------- SAPs(SNPs)
                    PROSITE ---FN3  PDB: A:1129-1218 UniProt: 1129-1218                                                  ---FN3  PDB: A:1222-1320 UniProt: 1222-1321                                                            PROSITE
           Transcript 1 (1) Exon 1.28  PDB: A:1126-1158      Exon 1.29  PDB: A:1159-1219 UniProt: 1159-1219               ---------------------------------------------Exon 1.31  PDB: A:1265-1320 UniProt: 1265-1326           Transcript 1 (1)
           Transcript 1 (2) ---------------------------------------------------------------------------------------------Exon 1.30  PDB: A:1219-1265 UniProt: 1219-1265 ------------------------------------------------------- Transcript 1 (2)
                1qg3 A 1126 DLGAPQNPNAKAAGSRKIHFNWLPPSGKPMGYRVKYWIQGDSESEAHLLDSKVPSVELTNLYPYCDYEMKVCAYGAQGEGPYSSLVSCRTHQEVPSEPGRLAFNVVSSTVTQLSWAEPAETNGEITAYEVCYGLVNDDNRPIGPMKKVLVDNPKNRMLLIENLRESQPYRYTVKARNGAGWGPEREAIINLATQP 1320
                                  1135      1145      1155      1165      1175      1185      1195      1205      1215      1225      1235      1245      1255      1265      1275      1285      1295      1305      1315     

Chain B from PDB  Type:PROTEIN  Length:194
 aligned with ITB4_HUMAN | P16144 from UniProtKB/Swiss-Prot  Length:1822

    Alignment length:194
                                  1136      1146      1156      1166      1176      1186      1196      1206      1216      1226      1236      1246      1256      1266      1276      1286      1296      1306      1316    
          ITB4_HUMAN   1127 LGAPQNPNAKAAGSRKIHFNWLPPSGKPMGYRVKYWIQGDSESEAHLLDSKVPSVELTNLYPYCDYEMKVCAYGAQGEGPYSSLVSCRTHQEVPSEPGRLAFNVVSSTVTQLSWAEPAETNGEITAYEVCYGLVNDDNRPIGPMKKVLVDNPKNRMLLIENLRESQPYRYTVKARNGAGWGPEREAIINLATQP 1320
               SCOP domains d1qg3b1 B:1127-1217 Integrin beta-4 subunit                                                d1qg3b2 B:1218-1320 Integrin beta-4 subunit                                                             SCOP domains
               CATH domains 1qg3B01 B:1127-1216 Immunoglobulins                                                       1qg3B02 B:1217-1319 Immunoglobulins                                                                    - CATH domains
           Pfam domains (1) ----------------------------------------------------------------------------------------------fn3-1qg3B01 B:1221-1310                                                                   ---------- Pfam domains (1)
           Pfam domains (2) ----------------------------------------------------------------------------------------------fn3-1qg3B02 B:1221-1310                                                                   ---------- Pfam domains (2)
           Pfam domains (3) ----------------------------------------------------------------------------------------------fn3-1qg3B03 B:1221-1310                                                                   ---------- Pfam domains (3)
           Pfam domains (4) ----------------------------------------------------------------------------------------------fn3-1qg3B04 B:1221-1310                                                                   ---------- Pfam domains (4)
         Sec.struct. author .......eeee.....eeee.........eeeeeeee....hhh.eeeee...eeee.......eeeeeeeee...........eeee............eeee.....eeee............eeeeeeee...........eeeee......eeee........eeeeeeee........eeeee...... Sec.struct. author
                 SAPs(SNPs) -----------------------------------------------------------------------------------------Q--------H-------------------------------------------------------W--------------------------------------- SAPs(SNPs)
                    PROSITE --FN3  PDB: B:1129-1218 UniProt: 1129-1218                                                  ---FN3  PDB: B:1222-1320 UniProt: 1222-1321                                                            PROSITE
           Transcript 1 (1) Exon 1.28  PDB: B:1127-1158     Exon 1.29  PDB: B:1159-1219 UniProt: 1159-1219               ---------------------------------------------Exon 1.31  PDB: B:1265-1320 UniProt: 1265-1326           Transcript 1 (1)
           Transcript 1 (2) --------------------------------------------------------------------------------------------Exon 1.30  PDB: B:1219-1265 UniProt: 1219-1265 ------------------------------------------------------- Transcript 1 (2)
                1qg3 B 1127 LGAPQNPNAKAAGSRKIHFNWLPPSGKPMGYRVKYWIQGDSESEAHLLDSKVPSVELTNLYPYCDYEMKVCAYGAQGEGPYSSLVSCRTHQEVPSEPGRLAFNVVSSTVTQLSWAEPAETNGEITAYEVCYGLVNDDNRPIGPMKKVLVDNPKNRMLLIENLRESQPYRYTVKARNGAGWGPEREAIINLATQP 1320
                                  1136      1146      1156      1166      1176      1186      1196      1206      1216      1226      1236      1246      1256      1266      1276      1286      1296      1306      1316    

   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/Biological Unit

(-) CATH Domains  (1, 4)

Asymmetric/Biological Unit
(-)
Class: Mainly Beta (13760)
1a1qg3A02A:1217-1320
1b1qg3B02B:1217-1319
1c1qg3A01A:1126-1216
1d1qg3B01B:1127-1216

(-) Pfam Domains  (1, 4)

Asymmetric/Biological Unit
(-)
Clan: E-set (290)
(-)
Family: fn3 (66)
1afn3-1qg3B01B:1221-1310
1bfn3-1qg3B02B:1221-1310
1cfn3-1qg3B03B:1221-1310
1dfn3-1qg3B04B:1221-1310

(-) Gene Ontology  (31, 31)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (ITB4_HUMAN | P16144)
molecular function
    GO:0001664    G-protein coupled receptor binding    Interacting selectively and non-covalently with a G-protein coupled receptor.
    GO:0031994    insulin-like growth factor I binding    Interacting selectively and non-covalently with insulin-like growth factor I.
    GO:0038132    neuregulin binding    Interacting selectively and non-covalently with a neuregulin, a member of the EGF family of growth factors.
    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:0004872    receptor activity    Combining with an extracellular or intracellular messenger to initiate a change in cell activity.
biological process
    GO:0097186    amelogenesis    The process whose specific outcome is the formation of tooth enamel, occurring in two stages: secretory stage and maturation stage.
    GO:0006914    autophagy    The process in which cells digest parts of their own cytoplasm; allows for both recycling of macromolecular constituents under conditions of cellular stress and remodeling the intracellular structure for cell differentiation.
    GO:0007155    cell adhesion    The attachment of a cell, either to another cell or to an underlying substrate such as the extracellular matrix, via cell adhesion molecules.
    GO:0007154    cell communication    Any process that mediates interactions between a cell and its surroundings. Encompasses interactions such as signaling or attachment between one cell and another cell, between a cell and an extracellular matrix, or between a cell and any other aspect of its environment.
    GO:0048870    cell motility    Any process involved in the controlled self-propelled movement of a cell that results in translocation of the cell from one place to another.
    GO:0007160    cell-matrix adhesion    The binding of a cell to the extracellular matrix via adhesion molecules.
    GO:0048565    digestive tract development    The process whose specific outcome is the progression of the digestive tract over time, from its formation to the mature structure. The digestive tract is the anatomical structure through which food passes and is processed.
    GO:0030198    extracellular matrix organization    A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of an extracellular matrix.
    GO:0031581    hemidesmosome assembly    Assembly of hemidesmosomes, integrin-containing protein complexes that bind to laminin in the basal lamina. Hemidesmosomes form the contact between the basal surface of epithelial cells and the underlying basal lamina.
    GO:0007229    integrin-mediated signaling pathway    A series of molecular signals initiated by the binding of extracellular ligand to an integrin on the surface of a target cell, and ending with regulation of a downstream cellular process, e.g. transcription.
    GO:0048333    mesodermal cell differentiation    The process in which a relatively unspecialized cell acquires the specialized features of a mesoderm cell.
    GO:0035878    nail development    The process whose specific outcome is the progression of a nail over time, from its formation to the mature structure. A nail is a horn-like envelope covering the outer end of a finger or toe, and consists of the nail plate, the nail matrix and the nail bed below it, and the grooves surrounding it.
    GO:0072001    renal system development    The process whose specific outcome is the progression of the renal system over time, from its formation to the mature structure. The renal system maintains fluid balance and contributes to electrolyte balance, acid/base balance, and disposal of nitrogenous waste products. In humans, the renal system comprises a pair of kidneys, a pair of ureters, urinary bladder, urethra, sphincter muscle and associated blood vessels.
    GO:0009611    response to wounding    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus indicating damage to the organism.
    GO:0043588    skin development    The process whose specific outcome is the progression of the skin over time, from its formation to the mature structure. The skin is the external membranous integument of an animal. In vertebrates the skin generally consists of two layers, an outer nonsensitive and nonvascular epidermis (cuticle or skarfskin) composed of cells which are constantly growing and multiplying in the deeper, and being thrown off in the superficial layers, as well as an inner vascular dermis (cutis, corium or true skin) composed mostly of connective tissue.
cellular component
    GO:0030054    cell junction    A cellular component that forms a specialized region of connection between two or more cells or between a cell and the extracellular matrix. At a cell junction, anchoring proteins extend through the plasma membrane to link cytoskeletal proteins in one cell to cytoskeletal proteins in neighboring cells or to proteins in the extracellular matrix.
    GO:0031252    cell leading edge    The area of a motile cell closest to the direction of movement.
    GO:0009986    cell surface    The external part of the cell wall and/or plasma membrane.
    GO:0070062    extracellular exosome    A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
    GO:0030056    hemidesmosome    A cell-substrate junction (attachment structure) found in epithelial cells that links intermediate filaments to extracellular matrices via transmembrane complexes. In vertebrates, hemidesmosomes mediate contact between the basal side of epithelial cells and the basal lamina. In C. elegans, hemidesmosomes connect epithelial cells to distinct extracellular matrices on both the apical and basal cell surfaces.
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0008305    integrin complex    A protein complex that is composed of one alpha subunit and one beta subunit, both of which are members of the integrin superfamily of cell adhesion receptors; the complex spans the plasma membrane and binds to extracellular matrix ligands, cell-surface ligands, and soluble ligands.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    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:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
    GO:0043235    receptor complex    Any protein complex that undergoes combination with a hormone, neurotransmitter, drug or intracellular messenger to initiate a change in cell function.

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  ITB4_HUMAN | P16144
    Protein Disorder PredictionDisEMBL | FoldIndex | GLOBPLOT (for more information see DisProt)

 Related Entries

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

UniProtKB/Swiss-Prot
        ITB4_HUMAN | P161442yrz 3f7p 3f7q 3f7r 3fq4 3fso 3h6a 4q58 4wtw 4wtx

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 1QG3)