1NRN	Serine Proteinase Receptor	date	Jan 18, 1994
title	Crystallographic Structures Of Thrombin Complexed With Thrombin Receptor Peptides: Existence Of Expected And Novel Binding Modes
authors	A.Tulinsky, I.I.Mathews
compound		source
Molecule: Alpha-Thrombin (Small Subunit) Chain: L Ec: 3.4.21.5 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606
Molecule: Alpha-Thrombin (Large Subunit) Chain: H Ec: 3.4.21.5 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606
Molecule: Receptor Based Peptide Nrs Chain: R Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606
symmetry	Space Group: C 1 2 1	R_factor R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 129.800 51.900 63.300 90.00 101.00 90.00
method	X-Ray Diffraction	resolution	3.10 Å
ligand		enzyme	Hydrolase E.C.3.4.21.5 BRENDA
Primary reference	Crystallographic structures of thrombin complexed with thrombin receptor peptides: existence of expected and novel binding modes., Mathews II, Padmanabhan KP, Ganesh V, Tulinsky A, Ishii M, Chen J, Turck CW, Coughlin SR, Fenton JW 2nd, Biochemistry 1994 Mar 22;33(11):3266-79. PMID:8136362

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (55 Kb) [Save to disk] Biological Unit Coordinates (1nrn.pdb1.gz) 51 Kb CSU: Contacts of Structural Units for 1NRN Likely Quarternary Molecular Structure file(s) for 1NRN Retrieve 1NRN in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1NRN from S2C, [Save to disk]

View 1NRN 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. On AstexViewer, from MSD-EBI (viewer documentation). On RasMol (Install RasMol freeware) Here's help on how to use RasMol.

Visual 3D analysis of 1NRN

Cartoon representation from PDB Cartoon Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 1NRN, from MSDmotif at EBI Genome occurence of 1NRN's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1nrn.1, region L:,H [Jmol] [rasmolscript] [script source] Fold representative 1nrn from FSSP and Dali (Families of Structurally Similar Proteins) 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: [1nrn_H] [1nrn_L] [1nrn_R] SWISS-PROT database: [P25116] [P00734] Domain organization of [PAR1_HUMAN] [THRB_HUMAN] by SWISSPFAM Domain found in 1NRN: [Tryp_SPc ] by SMART Alignments of the sequence of 1NRN with the sequences similar proteins can be viewed for 1NRN's classification [PAR1_HUMAN] [THRB_HUMAN] at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list. A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification [PAR1_HUMAN] [THRB_HUMAN] at ProtoMap. Click on the Cluster number.

Other resources with information on 1NRN

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

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