1K50	Protein Binding	date	Oct 09, 2001
title	A V49a Mutation Induces 3d Domain Swapping In The B1 Domain L From Peptostreptococcus Magnus
authors	J.W.O'Neill, D.E.Kim, K.Johnsen, D.Baker, K.Y.J.Zhang
compound		source
Molecule: Protein L Chain: A, B, C, D Fragment: B1 Domain (Residues 111-173) Engineered: Yes Mutation: Yes		Organism_scientific: Finegoldia Magna Organism_taxid: 334413 Strain: Atcc 29328 Gene: Protein L, B1 Domain Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet3a
symmetry	Space Group: P 43	R_factor 0.214 R_Free 0.245
crystal cell	length a length b length c angle alpha angle beta angle gamma 53.134 53.134 115.514 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.80 Å
related structures	by homologous chain: 1JML, 1K52
Primary reference	Single-site mutations induce 3D domain swapping in the B1 domain of protein L from Peptostreptococcus magnus., O'Neill JW, Kim DE, Johnsen K, Baker D, Zhang KY, Structure (Camb) 2001 Nov;9(11):1017-27. PMID:11709166

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (46 Kb) [Save to disk] Biological Unit Coordinates (1k50.pdb1.gz) 12 Kb Biological Unit Coordinates (1k50.pdb2.gz) 22 Kb Biological Unit Coordinates (1k50.pdb3.gz) 11 Kb Biological Unit Coordinates (1k50.pdb4.gz) 42 Kb CSU: Contacts of Structural Units for 1K50 Likely Quarternary Molecular Structure file(s) for 1K50 Structure Factors (320 Kb) Retrieve 1K50 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1K50 from S2C, [Save to disk] Re-refined 1k50 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1K50 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 1K50

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 1K50, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1k50a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1k50b_, region B [Jmol] [rasmolscript] [script source]     - Domain d1k50c_, region C [Jmol] [rasmolscript] [script source]     - Domain d1k50d_, region D [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: [1k50] [1k50_C] [1k50_B] [1k50_A] [1k50_D] SWISS-PROT database: [Q51912] Domain organization of [Q51912_PEPMA] by SWISSPFAM

Other resources with information on 1K50

Community annotation for 1K50 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

---