1HCI	Triple-Helix Coiled Coil	date	May 04, 2001
title	Crystal Structure Of The Rod Domain Of Alpha-Actinin
authors	J.Ylanne, K.Scheffzek, P.Young, M.Saraste
compound		source
Molecule: Alpha-Actinin 2 Chain: A, B Fragment: Spectrin-Like Repeats 1,2,3, And 4 - Amino Acids Synonym: Alpha Actinin Skeletal Muscle Isoform 2, F-Actin C Linking Protein; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Tissue: Skeletal Muscle Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_cellular_location: Cytoplasm Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet 8c
symmetry	Space Group: P 31	R_factor 0.270 R_Free 0.295
crystal cell	length a length b length c angle alpha angle beta angle gamma 103.280 103.280 218.640 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.80 Å
related structures	by homologous chain: 1QUU
Primary reference	Crystal structure of the alpha-actinin rod reveals an extensive torsional twist., Ylanne J, Scheffzek K, Young P, Saraste M, Structure (Camb) 2001 Jul 3;9(7):597-604. PMID:11470434

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (162 Kb) [Save to disk] Biological Unit Coordinates (1hci.pdb1.gz) 157 Kb CSU: Contacts of Structural Units for 1HCI Likely Quarternary Molecular Structure file(s) for 1HCI Structure Factors (622 Kb) Retrieve 1HCI in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1HCI from S2C, [Save to disk] Re-refined 1hci structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1HCI in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 1HCI

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1HCI, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1hcia1, region A:272-396 [Jmol] [rasmolscript] [script source]     - Domain d1hcia2, region A:397-511 [Jmol] [rasmolscript] [script source]     - Domain d1hcia3, region A:512-632 [Jmol] [rasmolscript] [script source]     - Domain d1hcia4, region A:633-746 [Jmol] [rasmolscript] [script source]     - Domain d1hcib1, region B:272-396 [Jmol] [rasmolscript] [script source]     - Domain d1hcib2, region B:397-511 [Jmol] [rasmolscript] [script source]     - Domain d1hcib3, region B:512-632 [Jmol] [rasmolscript] [script source]     - Domain d1hcib4, region B:633-746 [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1hci_B] [1hci_A] [1hci] SWISS-PROT database: [P35609] Belongs to the dystrophin (dystrophin) family according to TCDB. Domain organization of [ACTN2_HUMAN] by SWISSPFAM Domain found in 1HCI: [SPEC ] by SMART

Other resources with information on 1HCI

Community annotation for 1HCI at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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