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Title :   STRUCTURE OF THE ACTIN-DEPOLYMERIZING FACTOR HOMOLOGY DOMAIN IN COMPLEX WITH ACTIN

Authors :   V. O. Paavilainen, E. Oksanen, A. Goldman, P. Lappalainen

Date :   30 May 08 (Deposition) - 29 Jul 08 (Release) - 24 Feb 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.55

Chains :   Asym./Biol. Unit : A,B

Keywords :   Actin Depolymerisation, Actin Binding Proteins, Cytoskeleton, Structural Protein/Contractile Protein Complex, Structural Protein/Structural Protein Regulator Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   V. O. Paavilainen, E. Oksanen, A. Goldman, P. Lappalainen
Structure Of The Actin-Depolymerizing Factor Homology Domain In Complex With Actin
J. Cell Biol. V. 182 51 2008
PubMed-ID: 18625842 | Reference-DOI: 10.1083/JCB.200803100
(for further references see the PDB file header)

Molecule 1 - ACTIN, ALPHA SKELETAL MUSCLE
	Chains	:	A
	Organism Common	:	EUROPEAN RABBIT,JAPANESE WHITE RABBIT, DOMESTIC RABBIT,RABBITS
	Organism Scientific	:	ORYCTOLAGUS CUNICULUS
	Organism Taxid	:	9986
	Synonym	:	ALPHA-ACTIN-1

Molecule 2 - TWINFILIN-1
	Chains	:	B
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Strain	:	BL21 (DE3)
	Expression System Taxid	:	562
	Expression System Vector Type	:	PHAT2
	Fragment	:	C-TERMINAL DOMAIN, ADF-H 2, UNP RESIDUES 167-322
	Gene	:	TWF1
	Mutation	:	YES
	Organism Common	:	MOUSE
	Organism Scientific	:	MUS MUSCULUS
	Organism Taxid	:	10090
	Synonym	:	PROTEIN A6

		1	2
Asymmetric/Biological Unit	:	A	B

Summary Information (see also Sequences/Alignments below)

Asymmetric/Biological Unit (2, 2)

No.	Name	Count	Type	Full Name
1	ATP	1	Ligand/Ion	ADENOSINE-5'-TRIPHOSPHATE
2	CA	1	Ligand/Ion	CALCIUM ION

Asymmetric Unit (1, 1)

No.	Name	Evidence	Residues	Description
1	AC2	SOFTWARE	GLY A:13 , SER A:14 , GLY A:15 , LEU A:16 , LYS A:18 , GLY A:156 , ASP A:157 , GLY A:158 , GLY A:182 , LYS A:213 , GLU A:214 , GLY A:301 , GLY A:302 , THR A:303 , MET A:305 , TYR A:306 , LYS A:336	BINDING SITE FOR RESIDUE ATP A 377

(no "SS Bond" information available for 3DAW)

Asymmetric/Biological Unit

No.	Residues
1	Glu A:364	-	Ala A:365
2	Ala A:365	-	Gly A:366
3	Gln B:176	-	Gly B:177

(no "SAP(SNP)/Variant" information available for 3DAW)

Asymmetric/Biological Unit (3, 3)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	ACTINS_1	PS00406	Actins signature 1.	ACTS_RABIT	55-65	1	A:53-63
2	ACTINS_ACT_LIKE	PS01132	Actins and actin-related proteins signature.	ACTS_RABIT	106-118	1	A:104-116
3	ACTINS_2	PS00432	Actins signature 2.	ACTS_RABIT	358-366	1	A:356-364

(no "Exon" information available for 3DAW)

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
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Chain A from PDB  Type:PROTEIN  Length:372
 aligned with ACTS_RABIT | P68135 from UniProtKB/Swiss-Prot  Length:377

    Alignment length:372
                                    15        25        35        45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205       215       225       235       245       255       265       275       285       295       305       315       325       335       345       355       365       375  
           ACTS_RABIT     6 ETTALVCDNGSGLVKAGFAGDDAPRAVFPSIVGRPRHQGVMVGMGQKDSYVGDEAQSKRGILTLKYPIEHGIITNWDDMEKIWHHTFYNELRVAPEEHPTLLTEAPLNPKANREKMTQIMFETFNVPAMYVAIQAVLSLYASGRTTGIVLDSGDGVTHNVPIYEGYALPHAIMRLDLAGRDLTDYLMKILTERGYSFVTTAEREIVRDIKEKLCYVALDFENEMATAASSSSLEKSYELPDGQVITIGNERFRCPETLFQPSFIGMESAGIHETTYNSIMKCDIDIRKDLYANNVMSGGTTMYPGIADRMQKEITALAPSTMKIKIIAPPERKYSVWIGGSILASLSTFQQMWITKQEYDEAGPSIVHRKCF 377
               SCOP domains d3dawa1 A:4-146 Actin                                                                                                                          d3dawa2 A:147-375 Actin                                                                                                                                                                                                               SCOP domains
               CATH domains --3dawA01                      ------------------------------------3dawA01 A:6-34,A:71-134,A:337-373                               -3dawA03 A:136-181,A:271-332                   3dawA04 A:182-267 Actin; Chain A, domain 4                                            ---3dawA03 A:136-181,A:271-332                                   ----3dawA01 A:6-34,A:71-134,A:337-373    -- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ....eeeee...eeeeee.......eeee..eeee..............eehhhhhhh...eeee..ee..ee.hhhhhhhhhhhhhhh....hhhhh.eeeee....hhhhhhhhhhhhhhh....eeeeeehhhhhhhhh....eeeeee....eeeeeee..ee.hhhheee..hhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhh....hhhhhhhhhhh.....eeee.....eeee.hhhhhhhhhhhhhhhhh....hhhhhhhhhhhh....hhhhhhhheeeehhhhh..hhhhhhhhhhhhhh.......ee......hhhhhhhhhhhhhhhhh...eehhhhhh....hhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE -------------------------------------------------ACTINS_1   ----------------------------------------ACTINS_ACT_LI-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ACTINS_2 ----------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 3daw A   4 ETTALVCDNGSGLVKAGFAGDDAPRAVFPSIVGRPRHQGVMVGMGQKDSYVGDEAQSKRGILTLKYPIEHGIITNWDDMEKIWHHTFYNELRVAPEEHPTLLTEAPLNPKANREKMTQIMFETFNVPAMYVAIQAVLSLYASGRTTGIVLDSGDGVTHNVPIYEGYALPHAIMRLDLAGRDLTDYLMKILTERGYSFVTTAEREIVRDIKEKLCYVALDFENEMATAASSSSLEKSYELPDGQVITIGNERFRCPETLFQPSFIGMESAGIHETTYNSIMKCDIDIRKDLYANNVMSGGTTMYPGIADRMQKEITALAPSTMKIKIIAPPERKYSVWIGGSILASLSTFQQMWITKQEYDEAGPSIVHRKCF 375
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373

Chain B from PDB  Type:PROTEIN  Length:140
 aligned with TWF1_MOUSE | Q91YR1 from UniProtKB/Swiss-Prot  Length:350

    Alignment length:140
                                   185       195       205       215       225       235       245       255       265       275       285       295       305       315
           TWF1_MOUSE   176 QGVAFPISRDAFQALEKLSKKQLNYVQLEIDIKNETIILANTENTELRDLPKRIPKDSARYHFFLYKHSHEGDYLESVVFIYSMPGYTCSIRERMLYSSCKSPLLEIVERQLQMDVIRKIEIDNGDELTADFLYDEVHPK 315
               SCOP domains d3dawb_ B: automated matches                                                                                                                 SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .......hhhhhhhhhhhhh....eeeeeee....eeeeee....hhhhhhhhh.....eeeeeeeeeee..eeeeeeeeeee......hhhhhhhhhhhhhhhhhhhhhhhh..eeeeeee......hhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3daw B 176 QGVAFPISRDAFQALEKLSKKQLNYVQLEIDIKNETIILANTENTELRDLPKRIPKDSARYHFFLYKHSHEGDYLESVVFIYSMPGYTCSIRERMLYSSCKSPLLEIVERQLQMDVIRKIEIDNGDELTADFLYDEVHPK 315
                                   185       195       205       215       225       235       245       255       265       275       285       295       305       315

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 '\|'

Asymmetric/Biological Unit

Classes(

)

Folds(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

Class: Alpha and beta proteins (a+b) (23004)

Fold: Gelsolin-like (96)

Superfamily: Actin depolymerizing proteins (88)

Family: automated matches (13)

Protein domain: automated matches (13)

Mouse (Mus musculus) [TaxId: 10090] (2)

d3dawb_

Class: Alpha and beta proteins (a/b) (23833)

Fold: Ribonuclease H-like motif (1424)

Superfamily: Actin-like ATPase domain (426)

Family: Actin/HSP70 (199)

Protein domain: Actin (69)

Rabbit (Oryctolagus cuniculus) [TaxId: 9986] (55)

2a	d3dawa1	A:4-146
2b	d3dawa2	A:147-375

(no "Pfam Domain" information available for 3DAW)

Asymmetric/Biological Unit(hide GO term definitions)

Chain A (ACTS_RABIT | P68135)

molecular function
	GO:0005524	ATP binding	Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
	GO:0048306	calcium-dependent 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), in the presence of calcium.
	GO:0042802	identical protein binding	Interacting selectively and non-covalently with an identical protein or proteins.
	GO:0000166	nucleotide binding	Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
	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).
biological process
	GO:0090131	mesenchyme migration	The process in which the population of cells that make up a mesenchyme undergo directed movement.
	GO:0010628	positive regulation of gene expression	Any process that increases the frequency, rate or extent of gene expression. Gene expression is the process in which a gene's coding sequence is converted into a mature gene product or products (proteins or RNA). This includes the production of an RNA transcript as well as any processing to produce a mature RNA product or an mRNA or circRNA (for protein-coding genes) and the translation of that mRNA or circRNA into protein. Protein maturation is included when required to form an active form of a product from an inactive precursor form.
	GO:0048741	skeletal muscle fiber development	The process whose specific outcome is the progression of the skeletal muscle fiber over time, from its formation to the mature structure. Muscle fibers are formed by the maturation of myotubes. They can be classed as slow, intermediate/fast or fast.
	GO:0030240	skeletal muscle thin filament assembly	The aggregation, arrangement and bonding together of proteins to form the actin-based thin filaments of myofibrils in skeletal muscle.
cellular component
	GO:0005884	actin filament	A filamentous structure formed of a two-stranded helical polymer of the protein actin and associated proteins. Actin filaments are a major component of the contractile apparatus of skeletal muscle and the microfilaments of the cytoskeleton of eukaryotic cells. The filaments, comprising polymerized globular actin molecules, appear as flexible structures with a diameter of 5-9 nm. They are organized into a variety of linear bundles, two-dimensional networks, and three dimensional gels. In the cytoskeleton they are most highly concentrated in the cortex of the cell just beneath the plasma membrane.
	GO:0044297	cell body	The portion of a cell bearing surface projections such as axons, dendrites, cilia, or flagella that includes the nucleus, but excludes all cell projections.
	GO:0005737	cytoplasm	All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
	GO:0005856	cytoskeleton	Any of the various filamentous elements that form the internal framework of cells, and typically remain after treatment of the cells with mild detergent to remove membrane constituents and soluble components of the cytoplasm. The term embraces intermediate filaments, microfilaments, microtubules, the microtrabecular lattice, and other structures characterized by a polymeric filamentous nature and long-range order within the cell. The various elements of the cytoskeleton not only serve in the maintenance of cellular shape but also have roles in other cellular functions, including cellular movement, cell division, endocytosis, and movement of organelles.
	GO:0030175	filopodium	Thin, stiff, actin-based protrusion extended by the leading edge of a motile cell such as a crawling fibroblast or amoeba, or an axonal or dendritic growth cone, or a dendritic shaft.
	GO:0030027	lamellipodium	A thin sheetlike process extended by the leading edge of a migrating cell or extending cell process; contains a dense meshwork of actin filaments.
	GO:0001725	stress fiber	A contractile actin filament bundle that consists of short actin filaments with alternating polarity, cross-linked by alpha-actinin and possibly other actin bundling proteins, and with myosin present in a periodic distribution along the fiber.
	GO:0005865	striated muscle thin filament	Filaments formed of actin and associated proteins; attached to Z discs at either end of sarcomeres in myofibrils.

Chain B (TWF1_MOUSE | Q91YR1)

molecular function
	GO:0005524	ATP binding	Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
	GO:0003779	actin binding	Interacting selectively and non-covalently with monomeric or multimeric forms of actin, including actin filaments.
	GO:0003785	actin monomer binding	Interacting selectively and non-covalently with monomeric actin, also known as G-actin.
	GO:0005546	phosphatidylinositol-4,5-bisphosphate binding	Interacting selectively and non-covalently with phosphatidylinositol-4,5-bisphosphate, a derivative of phosphatidylinositol in which the inositol ring is phosphorylated at the 4' and 5' positions.
	GO:0032403	protein complex binding	Interacting selectively and non-covalently with any protein complex (a complex of two or more proteins that may include other nonprotein molecules).
	GO:0004713	protein tyrosine kinase activity	Catalysis of the reaction: ATP + a protein tyrosine = ADP + protein tyrosine phosphate.
biological process
	GO:0051016	barbed-end actin filament capping	The binding of a protein or protein complex to the barbed (or plus) end of an actin filament, thus preventing the addition, exchange or removal of further actin subunits.
	GO:0030837	negative regulation of actin filament polymerization	Any process that stops, prevents, or reduces the frequency, rate or extent of actin polymerization.
	GO:0018108	peptidyl-tyrosine phosphorylation	The phosphorylation of peptidyl-tyrosine to form peptidyl-O4'-phospho-L-tyrosine.
	GO:0043538	regulation of actin phosphorylation	Any process that modulates the frequency, rate or extent of the transfer of one or more phosphate groups to an actin molecule.
	GO:0042989	sequestering of actin monomers	The selective interaction of actin monomers with specific molecules that inhibit their polymerization by preventing their access to other monomers.
cellular component
	GO:0015629	actin cytoskeleton	The part of the cytoskeleton (the internal framework of a cell) composed of actin and associated proteins. Includes actin cytoskeleton-associated complexes.
	GO:0005911	cell-cell junction	A cell junction that forms a connection between two or more cells in a multicellular organism; excludes direct cytoplasmic junctions such as ring canals.
	GO:0005737	cytoplasm	All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
	GO:0005856	cytoskeleton	Any of the various filamentous elements that form the internal framework of cells, and typically remain after treatment of the cells with mild detergent to remove membrane constituents and soluble components of the cytoplasm. The term embraces intermediate filaments, microfilaments, microtubules, the microtrabecular lattice, and other structures characterized by a polymeric filamentous nature and long-range order within the cell. The various elements of the cytoskeleton not only serve in the maintenance of cellular shape but also have roles in other cellular functions, including cellular movement, cell division, endocytosis, and movement of organelles.
	GO:0030175	filopodium	Thin, stiff, actin-based protrusion extended by the leading edge of a motile cell such as a crawling fibroblast or amoeba, or an axonal or dendritic growth cone, or a dendritic shaft.
	GO:0005925	focal adhesion	Small region on the surface of a cell that anchors the cell to the extracellular matrix and that forms a point of termination of actin filaments.
	GO:0005622	intracellular	The living contents of a cell; the matter contained within (but not including) the plasma membrane, usually taken to exclude large vacuoles and masses of secretory or ingested material. In eukaryotes it includes the nucleus and cytoplasm.
	GO:0030016	myofibril	The contractile element of skeletal and cardiac muscle; a long, highly organized bundle of actin, myosin, and other proteins that contracts by a sliding filament mechanism.
	GO:0048471	perinuclear region of cytoplasm	Cytoplasm situated near, or occurring around, the nucleus.
	GO:0032587	ruffle membrane	The portion of the plasma membrane surrounding a ruffle.

Asymmetric/Biological Unit
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	Cis Peptide Bonds
		Ala A:365 - Gly A:366	[ RasMol ]
		Gln B:176 - Gly B:177	[ RasMol ]
		Glu A:364 - Ala A:365	[ RasMol ]

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2a42	ACTIN-DNASE COMPLEX
2hd7	TWINFILIN C-TERMINAL DOMAIN

Description

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (2, 2)

Sites (1, 1)

SS Bonds (0, 0)

Cis Peptide Bonds (3, 3)

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