1AA2	Cytoskeleton	date	Jan 21, 1997
title	Calponin Homology (Ch) Domain From Human Beta-Spectrin
authors	K.Djinovic Carugo, S.Banuelos, M.Saraste
compound		source
Molecule: Beta-Spectrin Chain: A Fragment: F-Actin Binding Domain Residues 173 - 281 Synonym: Calponin Homology (Ch) Domain Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Organelle: Non-Erythrocyte Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Bacterium Expression_system_vector: Escherichia Coli Expression_system_plasmid: Pbat4
symmetry	Space Group: P 1 21 1	R_factor R_Free 0.210
crystal cell	length a length b length c angle alpha angle beta angle gamma 31.471 53.685 32.197 90.00 106.25 90.00
method	X-Ray Diffraction	resolution	2.00 Å
related structures	by homologous chain: 1BKR
Primary reference	Crystal structure of a calponin homology domain., Carugo KD, Banuelos S, Saraste M, Nat Struct Biol 1997 Mar;4(3):175-9. PMID:9164454

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (24 Kb) [Save to disk] Biological Unit Coordinates (1aa2.pdb1.gz) 21 Kb CSU: Contacts of Structural Units for 1AA2 Likely Quarternary Molecular Structure file(s) for 1AA2 Structure Factors (64 Kb) Retrieve 1AA2 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1AA2 from S2C, [Save to disk] Re-refined 1aa2 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1AA2 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 1AA2

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 1AA2, from MSDmotif at EBI Genome occurence of 1AA2's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1aa2__, region [Jmol] [rasmolscript] [script source]     - Domain d1d1aa2, region A:2-33,A:80-759 [Jmol] [rasmolscript] [script source]     - Domain d1i1aa2, region A:5-178 [Jmol] [rasmolscript] [script source]     - Domain d1c1aa2, region A:52-216 [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: [1aa2] [1aa2_A] SWISS-PROT database: [Q01082] Domain organization of [SPTB2_HUMAN] by SWISSPFAM Domain found in 1AA2: [CH ] by SMART

Other resources with information on 1AA2

Community annotation for 1AA2 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

You may enter another PDB ID code

Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]

---

OCA© by Jaime Prilusky, 1996-2014,2022 Bioinformatics Unit Weizmann Institute of Science

---