1KLQ	Cell Cycle	date	Dec 12, 2001
title	The Mad2 Spindle Checkpoint Protein Undergoes Similar Major Conformational Changes Upon Binding To Either Mad1 Or Cdc20
authors	X.Luo, Z.Tang, J.Rizo, H.Yu
compound		source
Molecule: Mitotic Spindle Assembly Checkpoint Protein Mad2a Chain: A Fragment: Missing N-Terminal 10 Residues Synonym: Mad2; Spindle Checkpoint Protein Mad2; Mad2-Like 1 Mitotic Feedback Control Protein Madp2; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: M15[Prep4] Expression_system_vector_type: Plasmid Expression_system_plasmid: Pqe-30
Molecule: Mad2-Binding Peptide Chain: B Synonym: Mbp1 Engineered: Yes Other_details: Synthetic 12-Mer		Synthetic: Yes Other_details: This Sequence Is Identified Using Phage Disp
method	Solution NMR
related structures	by homologous chain: 1DUJ
Gene Ontology	Chain Function Process Component A
Primary reference	The Mad2 spindle checkpoint protein undergoes similar major conformational changes upon binding to either Mad1 or Cdc20., Luo X, Tang Z, Rizo J, Yu H, Mol Cell 2002 Jan;9(1):59-71. PMID:11804586

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (60 Kb) [Save to disk] Biological Unit Coordinates (1klq.pdb1.gz) 55 Kb CSU: Contacts of Structural Units for 1KLQ Original NMR restraints for 1KLQ from PDB Experimental data, such as chemical shifts, at BioMagResBank (BMRB) NMR Restraints Grid from BioMagResBank (BMRB) Retrieve 1KLQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KLQ from S2C, [Save to disk]

View 1KLQ 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 1KLQ

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1KLQ, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1klqa_, 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: [1klq_A] [1klq_B] [1klq] SWISS-PROT database: [Q13257] Domain organization of [MD2L1_HUMAN] by SWISSPFAM

Other resources with information on 1KLQ

Community annotation for 1KLQ 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

---