1P9A	Blood Clotting	date	May 09, 2003
title	Crystal Structure Of N-Terminal Domain Of Human Platelet Rec Glycoprotein Ib-Alpha At 1.7 Angstrom Resolution
authors	K.I.Varughese, R.Celikel, Z.M.Ruggeri
compound		source
Molecule: Platelet Glycoprotein Ib Alpha Chain Precursor Chain: G Fragment: N-Terminal Domain Synonym: Glycoprotein Ibalpha, Gp-Ib Alpha, Gpiba, Gpib-Alp Alpha, Cd42b, Contains: Glycocalicin Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Gp1ba Expression_system: Drosophila Melanogaster Expression_system_common: Fruit Fly Expression_system_taxid: 7227 Expression_system_strain: S2
symmetry	Space Group: P 43	R_factor 0.204 R_Free 0.224
crystal cell	length a length b length c angle alpha angle beta angle gamma 51.734 51.734 114.041 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.70 Å
ligand	BMA, NAG	enzyme
related structures	by homologous chain: 1M0Z
Primary reference	Modulation of alpha-thrombin function by distinct interactions with platelet glycoprotein Ibalpha., Celikel R, McClintock RA, Roberts JR, Mendolicchio GL, Ware J, Varughese KI, Ruggeri ZM, Science 2003 Jul 11;301(5630):218-21. PMID:12855810

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (48 Kb) [Save to disk] Biological Unit Coordinates (1p9a.pdb1.gz) 44 Kb LPC: Ligand-Protein Contacts for 1P9A CSU: Contacts of Structural Units for 1P9A Likely Quarternary Molecular Structure file(s) for 1P9A Structure Factors (341 Kb) Retrieve 1P9A in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1P9A from S2C, [Save to disk] Re-refined 1p9a structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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Visual 3D analysis of 1P9A

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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 1P9A, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1p9ag_, region G [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: [1p9a_G] [1p9a] SWISS-PROT database: [P07359] Domain organization of [GP1BA_HUMAN] by SWISSPFAM Domains found in 1P9A: [LRR] [LRRCT] [LRRNT] [LRR_TYP ] by SMART

Other resources with information on 1P9A

Community annotation for 1P9A at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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