1A8K	Hydrolase Hydrolase Inhibitor	date	Mar 27, 1998
title	Crystallographic Analysis Of Human Immunodeficiency Virus 1 With An Analog Of The Conserved Ca-P2 Substrate: Interactio Frequently Occurring Glutamic Acid Residue At P2' Position Substrates
authors	I.T.Weber, J.Wu, J.Adomat, R.W.Harrison, A.R.Kimmel, E.M.Wondrak,
compound		source
Molecule: Hiv Protease Chain: A, B, D, E Ec: 3.4.23.16 Engineered: Yes Mutation: Yes		Organism_scientific: Human Immunodeficiency Virus 1 Organism_taxid: 11676 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 1 1 21	R_factor 0.174 R_Free 0.319
crystal cell	length a length b length c angle alpha angle beta angle gamma 59.600 52.200 61.700 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	0Q4	enzyme	Hydrolase E.C.3.4.23.16 BRENDA
related structures	by homologous chain: 1HPX, 5HVP
Gene Ontology	Chain Function Process Component A, D, E, B
Primary reference	Crystallographic analysis of human immunodeficiency virus 1 protease with an analog of the conserved CA-p2 substrate -- interactions with frequently occurring glutamic acid residue at P2' position of substrates., Weber IT, Wu J, Adomat J, Harrison RW, Kimmel AR, Wondrak EM, Louis JM, Eur J Biochem 1997 Oct 15;249(2):523-30. PMID:9370363

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (89 Kb) [Save to disk] Biological Unit Coordinates (1a8k.pdb1.gz) 42 Kb Biological Unit Coordinates (1a8k.pdb2.gz) 43 Kb LPC: Ligand-Protein Contacts for 1A8K CSU: Contacts of Structural Units for 1A8K Likely Quarternary Molecular Structure file(s) for 1A8K Retrieve 1A8K in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1A8K from S2C, [Save to disk]

View 1A8K in 3D

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Visual 3D analysis of 1A8K

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1A8K, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1a8ka_, region A [Jmol] [rasmolscript] [script source]     - Domain d1a8kb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1a8kd_, region D [Jmol] [rasmolscript] [script source]     - Domain d1a8ke_, region E [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: [1a8k_E] [1a8k_F] [1a8k] [1a8k_C] [1a8k_B] [1a8k_A] [1a8k_D] SWISS-PROT database: [P03367] Domain organization of [POL_HV1BR] by SWISSPFAM

Other resources with information on 1A8K

Community annotation for 1A8K at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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