1I3Q	RNA POLYMERASE II CRYSTAL FORM I AT 3.1 A RESOLUTION	date
authors	Cramer, P., Bushnell, D.A., Kornberg, R.D.
compound		source
symmetry		R_factor R_Free 0.2830000
crystal cell	length a length b length c angle alpha angle beta angle gamma
method	X-Ray Diffraction	resolution	3.10
ligand	MG, ZN	enzyme
note	1I3Q supersedes 1EN0
Gene Ontology	Chain Function Process Component A RNA-directed 5'-3' RNA polym... B RNA-directed 5'-3' RNA polym... C RNA-directed 5'-3' RNA polym... E RNA-directed 5'-3' RNA polym... F RNA-directed 5'-3' RNA polym... H RNA-directed 5'-3' RNA polym... I RNA-directed 5'-3' RNA polym... J RNA-directed 5'-3' RNA polym... DNA-directed RNA polymerase ... K RNA-directed 5'-3' RNA polym... L RNA-directed 5'-3' RNA polym...
Primary reference	Structural basis of transcription: RNA polymerase II at 2.8 angstrom resolution., Cramer P, Bushnell DA, Kornberg RD, Science. 2001 Jun 8;292(5523):1863-76. Epub 2001 Apr 19. PMID:11313498

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (585 Kb) [Save to disk] Biological Unit Coordinates (1i3q.pdb1.gz) 570 Kb LPC: Ligand-Protein Contacts for 1I3Q CSU: Contacts of Structural Units for 1I3Q Likely Quarternary Molecular Structure file(s) for 1I3Q Retrieve 1I3Q in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1I3Q from S2C, [Save to disk]

View 1I3Q 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 1I3Q

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 1I3Q, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1i3qa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1i3qb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1i3qc1, region C:3-41,C:173-268 [Jmol] [rasmolscript] [script source]     - Domain d1i3qc2, region C:42-172 [Jmol] [rasmolscript] [script source]     - Domain d1i3qe1, region E:1-143 [Jmol] [rasmolscript] [script source]     - Domain d1i3qe2, region E:144-215 [Jmol] [rasmolscript] [script source]     - Domain d1i3qf_, region F [Jmol] [rasmolscript] [script source]     - Domain d1i3qh_, region H [Jmol] [rasmolscript] [script source]     - Domain d1i3qi1, region I:1-49 [Jmol] [rasmolscript] [script source]     - Domain d1i3qi2, region I:50-122 [Jmol] [rasmolscript] [script source]     - Domain d1i3qj_, region J [Jmol] [rasmolscript] [script source]     - Domain d1i3qk_, region K [Jmol] [rasmolscript] [script source]     - Domain d1i3ql_, region L [Jmol] [rasmolscript] [script source] Fold representative 1i3q 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: [1i3q_H] [1i3q_B] [1i3q_K] [1i3q_L] [1i3q_A] [1i3q_J] [1i3q_I] [1i3q] [1i3q_E] [1i3q_C] [1i3q_F] SWISS-PROT database: [P20434] [P20435] [P20436] [P40422] [P22139] [P38902] [P04050] [P08518] [P16370] [P27999] Domain organization of [RPAB1_YEAST] [RPAB2_YEAST] [RPAB3_YEAST] [RPAB4_YEAST] [RPAB5_YEAST] [RPB11_YEAST] [RPB1_YEAST] [RPB2_YEAST] [RPB3_YEAST] [RPB9_YEAST] by SWISSPFAM Domains found in 1I3Q: [RNA_pol_Rpb6] [RPOL8c] [RPOL9] [RPOLA_N] [RPOLCX] [RPOLD] [ZnF_C2C2 ] by SMART

Other resources with information on 1I3Q

Community annotation for 1I3Q at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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