1BUW	Oxygen Storage Transport	date	Sep 06, 1998
title	Crystal Structure Of S-Nitroso-Nitrosyl Human Hemoglobin A
authors	N.L.Chan, P.H.Rogers, A.Arnone
compound		source
Molecule: Protein (Hemoglobin) Chain: A, C Synonym: S-Nitroso-Nitrosylhb Other_details: The Sulfhydryl Groups Of Cysteine 93 Of Beta Are S-Nitrosylated. The Heme Groups Are Nitrosylated.;		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Cell: Red Blood Cell Other_details: Oudated Blood Drawn From Healthy Non-Smoker.
Molecule: Protein (Hemoglobin) Chain: B, D Synonym: S-Nitroso-Nitrosylhb Other_details: The Sulfhydryl Groups Of Cysteine 93 Of Beta Are S-Nitrosylated. The Heme Groups Are Nitrosylated.		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Cell: Red Blood Cell Other_details: Oudated Blood Drawn From Healthy Non-Smoker.
symmetry	Space Group: P 21 21 21	R_factor 0.184 R_Free 0.244
crystal cell	length a length b length c angle alpha angle beta angle gamma 97.100 101.200 61.100 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	HEM, NO, SNC	enzyme
note	1BUW (Molecule of the Month:pdb41)
related structures	by homologous chain: 1G0B, 1HBB
Gene Ontology	Chain Function Process Component A, C peroxidase activity D, B peroxidase activity
Primary reference	Crystal structure of the S-nitroso form of liganded human hemoglobin., Chan NL, Rogers PH, Arnone A, Biochemistry 1998 Nov 24;37(47):16459-64. PMID:9843411

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (100 Kb) [Save to disk] Biological Unit Coordinates (1buw.pdb1.gz) 94 Kb LPC: Ligand-Protein Contacts for 1BUW CSU: Contacts of Structural Units for 1BUW Likely Quarternary Molecular Structure file(s) for 1BUW Structure Factors (421 Kb) Retrieve 1BUW in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1BUW from S2C, [Save to disk] Re-refined 1buw structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1BUW 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 1BUW

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 1BUW, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1buwa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1buwb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1buwc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1buwd_, region D [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: [1buw_C] [1buw_D] [1buw_B] [1buw] [1buw_A] SWISS-PROT database: [P69905] [P68871] Belongs to the pore-forming globin (globin) family according to TCDB. Belongs to the pore-forming globin (globin) family according to TCDB. Domain organization of [HBA_HUMAN] [HBB_HUMAN] by SWISSPFAM

Other resources with information on 1BUW

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

Movements, Movies and Images

Domain movements in 1BUW from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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