1SMH	Signaling Protein,Transferase Inhibitor	date	Mar 09, 2004
title	Protein Kinase A Variant Complex With Completely Ordered N-T Helix
authors	C.Breitenlechner, R.A.Engh, R.Huber, V.Kinzel, D.Bossemeyer, M.Ga
compound		source
Molecule: Camp-Dependent Protein Kinase, Alpha-Catalytic Su Chain: A Fragment: Catalytic Subunit Synonym: Pka C-Alpha Ec: 2.7.1.37 Engineered: Yes Mutation: Yes		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Gene: Prkaca Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21de3 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pt7-7
Molecule: Camp-Dependent Protein Kinase Inhibitor, Alpha Fo Chain: B Fragment: Residues 5-24 Synonym: Pki-Alpha; Camp-Dependent Protein Kinase Inhibitor Musclebrain Isoform; Protein Kinase Inhibitor Alpha; Engineered: Yes		Synthetic: Yes Other_details: Peptide Synthesis. This Sequence Occurs Natu Humans
symmetry	Space Group: P 21 21 21	R_factor 0.188 R_Free 0.238
crystal cell	length a length b length c angle alpha angle beta angle gamma 48.780 79.431 117.820 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.04 Å
ligand	BU3, MG8, SEP, TPO	enzyme	Transferase E.C.2.7.1.37 BRENDA
related structures	by homologous chain: 1Q61, 1SVG
Gene Ontology	Chain Function Process Component A B
Primary reference	The Typically Disordered N-Terminus of PKA Can Fold as a Helix and Project the Myristoylation Site into Solution., Breitenlechner C, Engh RA, Huber R, Kinzel V, Bossemeyer D, Gassel M, Biochemistry 2004 Jun 22;43(24):7743-7749. PMID:15196017

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (71 Kb) [Save to disk] Biological Unit Coordinates (1smh.pdb1.gz) 64 Kb LPC: Ligand-Protein Contacts for 1SMH CSU: Contacts of Structural Units for 1SMH Likely Quarternary Molecular Structure file(s) for 1SMH Retrieve 1SMH in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1SMH from S2C, [Save to disk]

View 1SMH 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 1SMH

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1SMH, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1smha_, region A [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: [1smh_B] [1smh_A] [1smh] SWISS-PROT database: [P61926] [P00517] Domain organization of [IPKA_RABIT] [KAPCA_BOVIN] by SWISSPFAM Domains found in 1SMH: [S_TK_X] [S_TKc ] by SMART

Other resources with information on 1SMH

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

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Images from IMB Jena Image Library of Biological Macromolecules.

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