1LQ8	Blood Clotting	date	May 09, 2002
title	Crystal Structure Of Cleaved Protein C Inhibitor
authors	J.A.Huntington, M.Kjellberg, J.Stenflo
compound		source
Molecule: Plasma Serine Protease Inhibitor Chain: A, C, E, G Fragment: N-Terminal Fragment From Elastase Cleavage, Resid 375; Synonym: Pci; Protein C Inhibitor; Plasminogen Activator In Pai3; Acrosomal Serine Protease Inhibitor; Serinecysteine Inhibitor Clade A Member 5;		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Organ: Liver Tissue: Blood Other_details: Human Pci Purified From Discarded Blood Plas
Molecule: Plasma Serine Protease Inhibitor Chain: B, D, F, H Fragment: C-Terminal Fragment From Elastase Cleavage, Resid 405; Synonym: Pci; Protein C Inhibitor; Plasminogen Activator In Pai3; Acrosomal Serine Protease Inhibitor; Serinecysteine Inhibitor Clade A Member 5		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Organ: Liver Tissue: Blood Other_details: Human Pci Purified From Discarded Blood Plas
symmetry	Space Group: P 1 21 1	R_factor 0.222 R_Free 0.279
crystal cell	length a length b length c angle alpha angle beta angle gamma 55.200 244.030 66.400 90.00 91.98 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	IPA, MAN, NAG, NDG	enzyme
Gene Ontology	Chain Function Process Component A, C, G, E
Primary reference	Crystal structure of protein C inhibitor provides insights into hormone binding and heparin activation., Huntington JA, Kjellberg M, Stenflo J, Structure (Camb) 2003 Feb;11(2):205-15. PMID:12575940

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (238 Kb) [Save to disk] Biological Unit Coordinates (1lq8.pdb1.gz) 61 Kb Biological Unit Coordinates (1lq8.pdb2.gz) 61 Kb Biological Unit Coordinates (1lq8.pdb3.gz) 59 Kb Biological Unit Coordinates (1lq8.pdb4.gz) 62 Kb LPC: Ligand-Protein Contacts for 1LQ8 CSU: Contacts of Structural Units for 1LQ8 Likely Quarternary Molecular Structure file(s) for 1LQ8 Structure Factors (421 Kb) Retrieve 1LQ8 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1LQ8 from S2C, [Save to disk] Re-refined 1lq8 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1LQ8 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 1LQ8

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 1LQ8, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1lq8.1, region A:,B [Jmol] [rasmolscript] [script source]     - Domain d1lq8.2, region C:,D [Jmol] [rasmolscript] [script source]     - Domain d1lq8.3, region E:,F [Jmol] [rasmolscript] [script source]     - Domain d1lq8.4, region G:,H [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: [1lq8_F] [1lq8_E] [1lq8_A] [1lq8] [1lq8_C] [1lq8_B] [1lq8_H] [1lq8_D] [1lq8_G] SWISS-PROT database: [P05154] Domain organization of [IPSP_HUMAN] by SWISSPFAM Domain found in 1LQ8: [SERPIN ] by SMART

Other resources with information on 1LQ8

Community annotation for 1LQ8 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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