1MSM	Hydrolase Hydrolase Inhibitor	date	Sep 19, 2002
title	The Hiv Protease (Mutant Q7k L33i L63i) Complexed With Kni-7 Inhibitor)
authors	S.Vega, L.W.Kang, A.Velazquez-Campoy, Y.Kiso, L.M.Amzel, E.Freir
compound		source
Molecule: Pol Polyprotein Chain: A, B Fragment: Hiv Protease (Residues 69-167) Ec: 3.4.23.16 Engineered: Yes		Organism_scientific: Human Immunodeficiency Virus 1 Organism_taxid: 11676 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid
symmetry	Space Group: P 21 21 2	R_factor 0.209 R_Free 0.236
crystal cell	length a length b length c angle alpha angle beta angle gamma 57.670 85.819 46.528 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	JE2 BindingDB	enzyme	Hydrolase E.C.3.4.23.16 BRENDA
related structures	by homologous chain: 1DMP, 1EC2
Gene Ontology	Chain Function Process Component A, B
Primary reference	A structural and thermodynamic escape mechanism from a drug resistant mutation of the HIV-1 protease., Vega S, Kang LW, Velazquez-Campoy A, Kiso Y, Amzel LM, Freire E, Proteins 2004 May 15;55(3):594-602. PMID:15103623

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (38 Kb) [Save to disk] Biological Unit Coordinates (1msm.pdb1.gz) 34 Kb LPC: Ligand-Protein Contacts for 1MSM CSU: Contacts of Structural Units for 1MSM Likely Quarternary Molecular Structure file(s) for 1MSM Retrieve 1MSM in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1MSM from S2C, [Save to disk]

View 1MSM 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 1MSM

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1MSM, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1msma_, region A [Jmol] [rasmolscript] [script source]     - Domain d1msmb_, region B [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: [1msm_A] [1msm] [1msm_B] SWISS-PROT database: [P03367] Domain organization of [POL_HV1BR] by SWISSPFAM

Other resources with information on 1MSM

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

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