PNAS
Proceedings of the National Academy of Sciences of the United States of America
Skip to main page content
Info for Authors
Editorial Board
About
Subscribe
Advertise
Contact
Site Map
Previous Issue
Next Issue
Table of Contents
April 13, 2004; 101 (15)
Index By Author
Cover Photo
FROM THE COVER
Single enantiomer synthesis of bioactive alkaloid precursor
Enzymatically synthesized interfering RNA
Designing redox-active hemoproteins
Tubulin modification and nuclear oscillation
Abrogating arrhythmias by calcium cycling
Asymmetric Catalysis Special Feature Part I
Commentaries
Commentary
:
Nicholas C. Spitzer
Coincidence detection enhances appropriate wiring of the nervous system
PNAS
2004
101
:
5311
-
5312
;
published online before print
April 5, 2004
,
doi:10.1073/pnas.0401270101
Extract
Full Text
Full Text (PDF)
Figures Only
See companion article on page
3967
in issue 11 of volume 101
Commentary
:
Oded Singer
,
Amiel Yanai
,
and
Inder M. Verma
Silence of the genes
PNAS
2004
101
:
5313
-
5314
;
published online before print
April 5, 2004
,
doi:10.1073/pnas.0401209101
Extract
Full Text
Full Text (PDF)
Figures Only
See companion article on page
5494
in issue 15 of volume 101
Biography
Biography
:
Christen Brownlee
Inaugural Article:
Biography of James L. Van Etten
PNAS
2004
101
:
5315
-
5317
;
published online before print
April 5, 2004
,
doi:10.1073/pnas.0401846101
Extract
Full Text
Full Text (PDF)
Figures Only
See commentary article on page
5318
in issue 15 of volume 101
Biography
:
David Bradley
Inaugural Article:
Biography of Zhu Chen
PNAS
2004
101
:
5325
-
5327
;
published online before print
April 5, 2004
,
doi:10.1073/pnas.0401849101
Extract
Full Text
Full Text (PDF)
Figures Only
See commentary article on page
5328
in issue 15 of volume 101
Biography
:
Melissa Marino
Inaugural Article:
Biography of Joseph S. Takahashi
PNAS
2004
101
:
5336
-
5338
;
published online before print
April 5, 2004
,
doi:10.1073/pnas.0401895101
Extract
Full Text
Full Text (PDF)
Figures Only
See commentary article on page
5339
in issue 15 of volume 101
Asymmetric Catalysis Special Feature Part I
Editorial
Asymmetric Catalysis Special Feature Part I - Editorial
:
Jack Halpern
and
Barry M. Trost
Asymmetric Catalysis Special Feature Part I:
Asymmetric Catalysis
PNAS
2004
101
:
5347
;
doi:10.1073/pnas.0401811101
Extract
Full Text
Full Text (PDF)
Perspectives
Select this article
Asymmetric Catalysis Special Feature Part I - Perspective
:
Barry M. Trost
Asymmetric Catalysis Special Feature Part I:
Asymmetric catalysis: An enabling science
PNAS
2004
101
:
5348
-
5355
;
published online before print
February 27, 2004
,
doi:10.1073/pnas.0306715101
Abstract
Full Text
Full Text (PDF)
Figures Only
Select this article
Asymmetric Catalysis Special Feature Part I - Perspective
:
Ryoji Noyori
,
Masato Kitamura
,
and
Takeshi Ohkuma
Asymmetric Catalysis Special Feature Part I:
Toward efficient asymmetric hydrogenation: Architectural and functional engineering of chiral molecular catalysts
PNAS
2004
101
:
5356
-
5362
;
published online before print
March 19, 2004
,
doi:10.1073/pnas.0307928100
Abstract
Full Text
Full Text (PDF)
Figures Only
Select this article
Asymmetric Catalysis Special Feature Part I - Perspective
:
Christopher J. Douglas
and
Larry E. Overman
Asymmetric Catalysis Special Feature Part I:
Catalytic asymmetric synthesis of all-carbon quaternary stereocenters
PNAS
2004
101
:
5363
-
5367
;
published online before print
January 14, 2004
,
doi:10.1073/pnas.0307113101
Abstract
Full Text
Full Text (PDF)
Figures Only
Select this article
Asymmetric Catalysis Special Feature Part I - Perspective
:
Mark S. Taylor
and
Eric N. Jacobsen
Asymmetric Catalysis Special Feature Part I:
Asymmetric catalysis in complex target synthesis
PNAS
2004
101
:
5368
-
5373
;
published online before print
March 12, 2004
,
doi:10.1073/pnas.0307893101
Abstract
Full Text
Full Text (PDF)
Figures Only
Research Articles
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Norie Momiyama
,
Hiromi Torii
,
Susumu Saito
,
and
Hisashi Yamamoto
Asymmetric Catalysis Special Feature Part I:
O
-nitroso aldol synthesis: Catalytic enantioselective route to α-aminooxy carbonyl compounds via enamine intermediate
PNAS
2004
101
:
5374
-
5378
;
published online before print
April 5, 2004
,
doi:10.1073/pnas.0307785101
Abstract
Full Text
Full Text (PDF)
Figures Only
Supporting Information
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
David L. Hughes
,
Guy C. Lloyd-Jones
,
Shane W. Krska
,
Laure Gouriou
,
Veronique D. Bonnet
,
Kevin Jack
,
Yongkui Sun
,
David J. Mathre
,
and
Robert A. Reamer
Asymmetric Catalysis Special Feature Part I:
Mechanistic studies of the molybdenum-catalyzed asymmetric alkylation reaction
PNAS
2004
101
:
5379
-
5384
;
published online before print
March 31, 2004
,
doi:10.1073/pnas.0306918101
Abstract
Full Text
Full Text (PDF)
Figures Only
Supporting Text
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Ilya D. Gridnev
,
Masaya Yasutake
,
Tsuneo Imamoto
,
and
Irina P. Beletskaya
Asymmetric Catalysis Special Feature Part I:
Asymmetric hydrogenation of α,β-unsaturated phosphonates with Rh-BisP* and Rh-MiniPHOS catalysts: Scope and mechanism of the reaction
PNAS
2004
101
:
5385
-
5390
;
published online before print
March 15, 2004
,
doi:10.1073/pnas.0306993101
Abstract
Full Text
Full Text (PDF)
Figures Only
Supporting Text
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Michael P. Doyle
,
Marcela Valenzuela
,
and
Penglin Huang
Asymmetric Catalysis Special Feature Part I:
Asymmetric hetero-Diels–Alder reaction catalyzed by dirhodium(II) carboxamidates
PNAS
2004
101
:
5391
-
5395
;
published online before print
April 1, 2004
,
doi:10.1073/pnas.0307025101
Abstract
Full Text
Full Text (PDF)
Figures Only
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Natasha Cheeseman
,
Martin Fox
,
Mark Jackson
,
Ian C. Lennon
,
and
Graham Meek
Asymmetric Catalysis Special Feature Part I:
An efficient, palladium-catalyzed, enantioselective synthesis of (2
R
)-3-butene-1,2-diol and its use in highly selective Heck reactions
PNAS
2004
101
:
5396
-
5399
;
published online before print
February 11, 2004
,
doi:10.1073/pnas.0307047101
Abstract
Full Text
Full Text (PDF)
Figures Only
Supporting Text
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Kristina Hallman
,
Anders Frölander
,
Tebikie Wondimagegn
,
Mats Svensson
,
and
Christina Moberg
Asymmetric Catalysis Special Feature Part I:
OH–Pd(0) interaction as a stabilizing factor in palladium-catalyzed allylic alkylations
PNAS
2004
101
:
5400
-
5404
;
published online before print
April 5, 2004
,
doi:10.1073/pnas.0307084101
Abstract
Full Text
Full Text (PDF)
Figures Only
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Alexandre Côté
,
Alessandro A. Boezio
,
and
André B. Charette
Asymmetric Catalysis Special Feature Part I:
Catalytic asymmetric addition of diorganozinc reagents to
N
-phosphinoylalkylimines
PNAS
2004
101
:
5405
-
5410
;
published online before print
April 2, 2004
,
doi:10.1073/pnas.0307096101
Abstract
Full Text
Full Text (PDF)
Figures Only
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Zihao Hua
,
Victor C. Vassar
,
Hojae Choi
,
and
Iwao Ojima
Asymmetric Catalysis Special Feature Part I:
New biphenol-based, fine-tunable monodentate phosphoramidite ligands for catalytic asymmetric transformations
PNAS
2004
101
:
5411
-
5416
;
published online before print
March 12, 2004
,
doi:10.1073/pnas.0307101101
Abstract
Full Text
Full Text (PDF)
Figures Only
Supporting Text
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Ge Gao
,
Ru-Gang Xie
,
and
Lin Pu
Asymmetric Catalysis Special Feature Part I:
Highly enantioselective alkyne additions to aldehydes in the presence of 1,1′-bi-2-naphthol and hexamethylphosphoramide
PNAS
2004
101
:
5417
-
5420
;
published online before print
March 16, 2004
,
doi:10.1073/pnas.0307136101
Abstract
Full Text
Full Text (PDF)
Figures Only
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Brian M. Bocknack
,
Long-Cheng Wang
,
and
Michael J. Krische
Asymmetric Catalysis Special Feature Part I:
Desymmetrization of enone-diones via rhodium-catalyzed diastereo- and enantioselective tandem conjugate addition-aldol cyclization
PNAS
2004
101
:
5421
-
5424
;
published online before print
March 15, 2004
,
doi:10.1073/pnas.0307120101
Abstract
Full Text
Full Text (PDF)
Figures Only
Supporting Text
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Hongmei Li
,
Celina García
,
and
Patrick J. Walsh
Asymmetric Catalysis Special Feature Part I:
Catalytic asymmetric addition of diphenylzinc to cyclic α,β-unsaturated ketones
PNAS
2004
101
:
5425
-
5427
;
published online before print
April 5, 2004
,
doi:10.1073/pnas.0307119101
Abstract
Full Text
Full Text (PDF)
Figures Only
Supporting Text
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Clark R. Landis
and
Thomas P. Clark
Asymmetric Catalysis Special Feature Part I:
Solid-phase synthesis of chiral 3,4-diazaphospholanes and their application to catalytic asymmetric allylic alkylation
PNAS
2004
101
:
5428
-
5432
;
published online before print
February 25, 2004
,
doi:10.1073/pnas.0307572100
Abstract
Full Text
Full Text (PDF)
Figures Only
Supporting Text
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Yuhei Fukuta
,
Takashi Ohshima
,
Vijay Gnanadesikan
,
Tomoyuki Shibuguchi
,
Tetsuhiro Nemoto
,
Takaya Kisugi
,
Tatsufumi Okino
,
and
Masakatsu Shibasaki
Asymmetric Catalysis Special Feature Part I:
Enantioselective syntheses and biological studies of aeruginosin 298-A and its analogs: Application of catalytic asymmetric phase-transfer reaction
PNAS
2004
101
:
5433
-
5438
;
published online before print
March 2, 2004
,
doi:10.1073/pnas.0307154101
Abstract
Full Text
Full Text (PDF)
Figures Only
Supporting Materials and Methods
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Scott E. Denmark
and
Tommy Bui
Asymmetric Catalysis Special Feature Part I:
Chiral phosphoramide-catalyzed, enantioselective, directed cross-aldol reactions of aldehydes
PNAS
2004
101
:
5439
-
5444
;
published online before print
April 5, 2004
,
doi:10.1073/pnas.0307212101
Abstract
Full Text
Full Text (PDF)
Figures Only
Supporting Text
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Norihito Tokunaga
,
Kazuhiro Yoshida
,
and
Tamio Hayashi
Asymmetric Catalysis Special Feature Part I:
Mechanistic studies on the catalytic cycle of rhodium-catalyzed asymmetric 1,4-addition of aryltitanate reagents to α,β-unsaturated ketones
PNAS
2004
101
:
5445
-
5449
;
published online before print
February 23, 2004
,
doi:10.1073/pnas.0307260101
Abstract
Full Text
Full Text (PDF)
Figures Only
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
David M. Hodgson
,
Tobias Brückl
,
Rebecca Glen
,
Agnès H. Labande
,
Deborah A. Selden
,
Alexander G. Dossetter
,
and
Alison J. Redgrave
Asymmetric Catalysis Special Feature Part I:
Catalytic enantioselective intermolecular cycloadditions of 2-diazo-3,6-diketoester-derived carbonyl ylides with alkene dipolarophiles
PNAS
2004
101
:
5450
-
5454
;
published online before print
March 22, 2004
,
doi:10.1073/pnas.0307274101
Abstract
Full Text
Full Text (PDF)
Figures Only
Supporting Text
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Mark Lautens
and
Keith Fagnou
Asymmetric Catalysis Special Feature Part I:
Rhodium-catalyzed asymmetric ring opening reactions of oxabicyclic alkenes: Catalyst and substrate studies leading to a mechanistic working model
PNAS
2004
101
:
5455
-
5460
;
published online before print
April 5, 2004
,
doi:10.1073/pnas.0307271101
Abstract
Full Text
Full Text (PDF)
Figures Only
Supporting Text
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Michael Reggelin
,
Sebastian Doerr
,
Martin Klussmann
,
Melanie Schultz
,
and
Michael Holbach
Asymmetric Catalysis Special Feature Part I:
Helically chiral polymers: A class of ligands for asymmetric catalysis
PNAS
2004
101
:
5461
-
5466
;
published online before print
March 30, 2004
,
doi:10.1073/pnas.0307443101
Abstract
Full Text
Full Text (PDF)
Figures Only
Supporting Information
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Varinder K. Aggarwal
,
Jonathan Charmant
,
Leo Dudin
,
Marina Porcelloni
,
and
Jeffery Richardson
Asymmetric Catalysis Special Feature Part I:
Effect of sulfide structure on enantioselectivity in catalytic asymmetric epoxidation of aldehydes: Mechanistic insights and implications
PNAS
2004
101
:
5467
-
5471
;
published online before print
March 19, 2004
,
doi:10.1073/pnas.0307559101
Abstract
Full Text
Full Text (PDF)
Figures Only
Supporting Appendix
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Huw M. L. Davies
and
Qihui Jin
Asymmetric Catalysis Special Feature Part I:
Catalytic asymmetric reactions for organic synthesis: The combined C—H activation/Cope rearrangement
PNAS
2004
101
:
5472
-
5475
;
published online before print
March 15, 2004
,
doi:10.1073/pnas.0307556101
Abstract
Full Text
Full Text (PDF)
Figures Only
Supporting Information
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Shū Kobayashi
,
Masaharu Ueno
,
Susumu Saito
,
Yumiko Mizuki
,
Haruro Ishitani
,
and
Yasuhiro Yamashita
Asymmetric Catalysis Special Feature Part I:
Air-stable, storable, and highly efficient chiral zirconium catalysts for enantioselective Mannich-type, aza Diels–Alder, aldol, and hetero Diels–Alder reactions
PNAS
2004
101
:
5476
-
5481
;
published online before print
April 5, 2004
,
doi:10.1073/pnas.0307870101
Abstract
Full Text
Full Text (PDF)
Figures Only
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry - From the Cover: ASYMMETRIC CATALYSIS SPECIAL FEATURE PART I
:
Joel F. Austin
,
Sung-Gon Kim
,
Christopher J. Sinz
,
Wen-Jing Xiao
,
and
David W. C. MacMillan
From the Cover: Asymmetric Catalysis Special Feature Part I:
Enantioselective organocatalytic construction of pyrroloindolines by a cascade addition–cyclization strategy: Synthesis of (–)-flustramine B
PNAS
2004
101
:
5482
-
5487
;
published online before print
April 5, 2004
,
doi:10.1073/pnas.0308177101
Abstract
Full Text
Full Text (PDF)
Figures Only
Supporting Information
From the Cover: ASYMMETRIC CATALYSIS SPECIAL FEATURE PART I
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry - From the Cover: ASYMMETRIC CATALYSIS SPECIAL FEATURE PART I
:
Joel F. Austin
,
Sung-Gon Kim
,
Christopher J. Sinz
,
Wen-Jing Xiao
,
and
David W. C. MacMillan
From the Cover: Asymmetric Catalysis Special Feature Part I:
Enantioselective organocatalytic construction of pyrroloindolines by a cascade addition–cyclization strategy: Synthesis of (–)-flustramine B
PNAS
2004
101
:
5482
-
5487
;
published online before print
April 5, 2004
,
doi:10.1073/pnas.0308177101
Abstract
Full Text
Full Text (PDF)
Figures Only
Supporting Information
Physical Sciences
Chemistry
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Norie Momiyama
,
Hiromi Torii
,
Susumu Saito
,
and
Hisashi Yamamoto
Asymmetric Catalysis Special Feature Part I:
O
-nitroso aldol synthesis: Catalytic enantioselective route to α-aminooxy carbonyl compounds via enamine intermediate
PNAS
2004
101
:
5374
-
5378
;
published online before print
April 5, 2004
,
doi:10.1073/pnas.0307785101
Abstract
Full Text
Full Text (PDF)
Figures Only
Supporting Information
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
David L. Hughes
,
Guy C. Lloyd-Jones
,
Shane W. Krska
,
Laure Gouriou
,
Veronique D. Bonnet
,
Kevin Jack
,
Yongkui Sun
,
David J. Mathre
,
and
Robert A. Reamer
Asymmetric Catalysis Special Feature Part I:
Mechanistic studies of the molybdenum-catalyzed asymmetric alkylation reaction
PNAS
2004
101
:
5379
-
5384
;
published online before print
March 31, 2004
,
doi:10.1073/pnas.0306918101
Abstract
Full Text
Full Text (PDF)
Figures Only
Supporting Text
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Ilya D. Gridnev
,
Masaya Yasutake
,
Tsuneo Imamoto
,
and
Irina P. Beletskaya
Asymmetric Catalysis Special Feature Part I:
Asymmetric hydrogenation of α,β-unsaturated phosphonates with Rh-BisP* and Rh-MiniPHOS catalysts: Scope and mechanism of the reaction
PNAS
2004
101
:
5385
-
5390
;
published online before print
March 15, 2004
,
doi:10.1073/pnas.0306993101
Abstract
Full Text
Full Text (PDF)
Figures Only
Supporting Text
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Michael P. Doyle
,
Marcela Valenzuela
,
and
Penglin Huang
Asymmetric Catalysis Special Feature Part I:
Asymmetric hetero-Diels–Alder reaction catalyzed by dirhodium(II) carboxamidates
PNAS
2004
101
:
5391
-
5395
;
published online before print
April 1, 2004
,
doi:10.1073/pnas.0307025101
Abstract
Full Text
Full Text (PDF)
Figures Only
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Natasha Cheeseman
,
Martin Fox
,
Mark Jackson
,
Ian C. Lennon
,
and
Graham Meek
Asymmetric Catalysis Special Feature Part I:
An efficient, palladium-catalyzed, enantioselective synthesis of (2
R
)-3-butene-1,2-diol and its use in highly selective Heck reactions
PNAS
2004
101
:
5396
-
5399
;
published online before print
February 11, 2004
,
doi:10.1073/pnas.0307047101
Abstract
Full Text
Full Text (PDF)
Figures Only
Supporting Text
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Kristina Hallman
,
Anders Frölander
,
Tebikie Wondimagegn
,
Mats Svensson
,
and
Christina Moberg
Asymmetric Catalysis Special Feature Part I:
OH–Pd(0) interaction as a stabilizing factor in palladium-catalyzed allylic alkylations
PNAS
2004
101
:
5400
-
5404
;
published online before print
April 5, 2004
,
doi:10.1073/pnas.0307084101
Abstract
Full Text
Full Text (PDF)
Figures Only
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Alexandre Côté
,
Alessandro A. Boezio
,
and
André B. Charette
Asymmetric Catalysis Special Feature Part I:
Catalytic asymmetric addition of diorganozinc reagents to
N
-phosphinoylalkylimines
PNAS
2004
101
:
5405
-
5410
;
published online before print
April 2, 2004
,
doi:10.1073/pnas.0307096101
Abstract
Full Text
Full Text (PDF)
Figures Only
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Zihao Hua
,
Victor C. Vassar
,
Hojae Choi
,
and
Iwao Ojima
Asymmetric Catalysis Special Feature Part I:
New biphenol-based, fine-tunable monodentate phosphoramidite ligands for catalytic asymmetric transformations
PNAS
2004
101
:
5411
-
5416
;
published online before print
March 12, 2004
,
doi:10.1073/pnas.0307101101
Abstract
Full Text
Full Text (PDF)
Figures Only
Supporting Text
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Ge Gao
,
Ru-Gang Xie
,
and
Lin Pu
Asymmetric Catalysis Special Feature Part I:
Highly enantioselective alkyne additions to aldehydes in the presence of 1,1′-bi-2-naphthol and hexamethylphosphoramide
PNAS
2004
101
:
5417
-
5420
;
published online before print
March 16, 2004
,
doi:10.1073/pnas.0307136101
Abstract
Full Text
Full Text (PDF)
Figures Only
Select this article
Asymmetric Catalysis Special Feature Part I - Research Articles - Physical Sciences - Chemistry
:
Brian M. Bocknack
,
Long-Cheng Wang
,
and
Michael J. Krische
Asymmetric Catalysis Special Feature Part I:
Desymmetrization of enone-diones via rhodium-catalyzed diastereo- and enantioselective tandem conjugate addition-aldol cyclization
PNAS
2004
101
:
5421
-
5424
;
published online before print
March 15, 2004
,
doi:10.1073/pnas.0307120101