554.7
Inhibition of endosome tubulation with
phospholipase A2 antagonists prevents transport of HIV-1
across mucosal vaginal epithelial cells.
B. Kinlock, Y. Wang
and B. Liu. Meharry Med. Col.
C126
554.8
Biofilm-derived
Legionella pneumophila
evades the innate immune response in macrophages.
A. Abu
Khweek and A. Amer. Ohio State Univ.
C127
554.9
Systems biology approach to identify
therapeutic targets in nonhuman primates exposed to Y. pestis.
A.V. Hoke, A. Gautam, G. Dimitrov, R. Hammamieh and M.
Jett. U.S. Army Ctr. for Envrn. Hlth. Res., Frederick, MD.
C128
554.10 Biochemistry and immunology of Gram-
positive bacterial heme acquisition systems.
Y. Shipelskiy, Z.
Wang, J. Rosinski, T. Buckles, D. Mahale, S. Dragosjlvic,
S.M. Newton and P.E. Klebba. Kansas State Univ. and Univ.
of Oklahoma.
555. POSTTRANSLATIONAL MODIFICATIONS
Poster
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C129
555.1
Measuring bacterial S-acylation in
Pseudomonas putida.
C.E. Milam and R.J. Johnson. Butler
Univ.
C130
555.2
Purification of the des-(31,32) and des-(64,65)
intermediates of proinsulin conversion.
R.B. Mackin. Creighton
Univ. Sch. of Med.
C131
555.3
A semisynthetic approach to understanding
PTEN regulation.
D. Bolduc, S. Gabelli, D. Raben, P.
Devreotes, M. Amzel and P. Cole. Johns Hopkins Med. Instns.
C132
555.4
Quantitative proteomics to profile post-
translational modifications during M phase: interplay between
O-GlcNAcylation and phosphorylation.
S.A. Whelan, E.P. Tan,
C.E. Costello, M.E. McComb and C. Slawson. Boston Univ.
and Univ. of Kansas Med. Ctr.
C133
555.5
Combinatorial post-translational modifications
of RNA polymerase II.
A. Lothrop, D. Kulla, Y-S. Lin and S.
Fuchs. Tufts Univ.
C134
555.6
Mass spectrometry characterization of acrolein
protein targets in the liver: focus on site-specific analysis.
Y.
Zhu and C.R. Bazemore-Walker. Brown Univ.
556. PROTEIN TARGETING, ENDOCYTOSIS, AND
THE MVB
Poster
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C135
556.1
NEDD4-1-mediated ubiquitination regulates
pAKT nuclear trafficking in IGF-1 response.
X. Wang, C-D. Fan,
M.A. Lum, C. Xu and J.D. Black. Roswell Park Cancer Inst.
C136
556.2
Rab7-dependent microautophagy in the
visceral endoderm is essential for mouse early development.
Y. Wada and G-H. Sun-Wada. Osaka Univ. and Doshisha
Womens Col., Japan.
C137
556.3
Activated GTPase movement on an RNA
scaffold drives cotranslational protein targeting.
K. Shen, S.
Arslan, D. Akopian, T. Ha and S-o. Shan. Caltech and Univ. of
Illinois at Urbana-Champaign.
C138
556.4
Rab1a regulates endocytic vesicle processing
through interaction with Kifc1.
J. Quiroz, A. Mukhopadhyay
and A.W. Wolkoff. Univ. of Arizona and Albert Einstein Col. of
Med.
C139
556.5
Yeast Rab5 signaling in endolysosomal
trafficking and MVB biogenesis.
A.J. Merz, A.L. Paulsel,
M.R.G. Russell and D.P. Nickerson. Univ. of Washington and
Univ. of Colorado Boulder.
C140
556.6
The ESCRT machinery regulates Akt signaling
mediated by the G protein-coupled receptor CSCR4.
R. Verma
and A. Marchese. Loyola Univ. Chicago, Maywood.
557. PROTEIN TURNOVER AND QUALITY CONTROL
Poster
s
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C141
557.1
Proteasomal complex regulation by heat-shock
proteins in cancer.
P. Tsvetkov, M. Taipale and S. Lindquist.
Whitehead Inst. for Biomed. Res., Cambridge, MA.
C142
557.2
Structure-function studies of the Golgi Dsc E3
ligase complex required for SREBP activation in yeast.
P.J.
Espenshade, S.J-A. Lloyd, Z. Tong and S. Raychaudhuri.
Johns Hopkins Univ. Sch. of Med.
BIOCHEMISTRY SUNDAY
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C143
557.3
The 26S proteasome binds and degrades Pih1
via the C-terminal degron elements in yeast Saccharomyces
cerevisiae.
A. Paci, X.H. Liu, B. Balachandran and R. Zhao.
Univ. of Toronto.
558. REGULATION OF CELL FUNCTION BY REDOX
MODIFICATIONS
Poster
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C144
558.1
Deconvoluting electrophile signaling and stress
response pathways.
Y. Aye. Cornell Univ.
C145
558.2
Effect of insulin-like growth factor 1 on
cobalamin composition in neuronal cells.
Y. Li and R. Deth.
Northeastern Univ.
C146
558.3
Quantitative redox proteomic analysis of
reversible cysteine oxidation in hearts from mice fed a Western
diet: implications for metabolic cardiovascular disease.
J.B.
Behring, V. Kumar, D.A. Siwik, S.A. Whelan, W.S. Colucci,
R.A. Cohen, M.E. McComb and M.M. Bachschmid. Boston
Univ. Sch. of Med.
C147
558.4
Loss of redoxin proteins exacerbates LRRK2-
mediated Parkinson’s disease phenotype in c. elegans.
W.M.
Johnson, C. Yao, S. Chen, A.L. Wilson-Delfosse and J.J.
Mieyal. Case Western Reserve Univ. and VA Med. Ctr.
C148
558.5
The N-terminal GIY-YIG endonuclease activity
of Arabidopsis glutaredoxin AtGRXS16.
N. Cheng, X. Liu, S.
Liu, Y. Feng, H. Deng, K.D. Hirschi and X. Wang. Baylor Col.
of Med., Tsinghua Univ., China and Chinese Acad. of Sci.,
Qingdao.
559. CATALYTIC AND SUBSTRATE PROMISCUITY
Poster
s
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. 7:30
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-1:55
pm
C149
559.1
A single gas chromatography/mass
spectrometry method for detection of individual enantiomers
of a broad spectrum of G-type chemical warfare nerve agents.
T. Kajih, J. Smith, T. Rusek, S. Kasten and D. Cerasoli. U.S.
Army Med. Res. Inst. of Chem. Defense, Edgewood, MD.
C150
559.2
Substrate specificity of Rv0045c, a bacterial
esterase from Mycobacterium tuberculosis.
C.P. Savas, A.
Gehring, R.J. Johnson and G. Hoops. Butler Univ.
C151
559.3
Divalent metal ion effect upon Rv0045c
esterase enzymatic activity.
G.C. Hoops, C. Savas and R.J.
Johnson. Butler Univ.
C152
559.4
Substrate promiscuity of
b-ketoacyl ACP
synthase III (KASIII): understanding the structural basis for
functional diversity of KASIII enzymes.
S. Garg, M.D. Yandeau-
Nelson and B.J. Nikolau. Iowa State Univ.
C153
559.5
Tracking GPCR promiscuity at the source: how
receptor conformation is translated to differential function.
S.
Sivaramakrishnan and R.U. Malik. Univ. of Michigan.
C154
559.6
The role of modulator residues in PDZ domain
binding interactions.
J. Amacher, P.R. Cushing, L. Brooks,
P. Boisguerin and D.R. Madden. Dartmouth Col. and Inst. of
Med. Immunol., Berlin.
C155
559.7
Exploring the substrate profile of CFTR
inhibitory factor.
K.L. Hvorecny, C.D. Bahl, C.H. Morisseau,
J.M. Bomberger, B.A. Stanton, B.D. Hammock and
D.R. Madden. Geisel Sch. of Med. at Dartmouth, Univ. of
Washington, Univ. of California, Davis and Univ. of Pittsburgh
Sch. of Med.
560. ENZYMES AS DRUG TARGETS
Poster
s
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. 7:30
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C156
560.1
Soluble epoxide hydrolase- and UDP-
glucuronosyltransferase-dependent hypertension in pregnancy.
H. Kim, A. Joiakim, J-A. Park, D.J. Kaplan, R.N. Taylor and D.
Putt. Detroit R&D Inc. and Wake Forest Sch. of Med.
C157
560.2
Polyisoprenylated methylated protein methyl
esterase as a potential novel target in lung cancer therapy.
F.
Aamissah, R. Duverna, B.J. Aguilar and R.A. Poku. Col. of
Pharm. and Pharmaceut. Sci., Florida A&M Univ.
C158
560.3
Polyisoprenylated methylated protein methyl
esterase as a putative biomarker and drug target for prostate
cancer.
R.A. Poku, F. Amissah, R. Duverna, B.J. Aguilar and
N.S. Lamango. Col. of Pharm. and Pharmaceut. Sci., Florida
A&M Univ.
C159
560.4
Ebselen: a covalent inhibitor of the antigen
85 complex from Mycobacterium tuberculosis.
L. Favrot, D.H.
Lajiness, R. Marvin, D. Isailovic and D.R. Ronning. Univ. of
Toledo.
C160
560.5
In vitro evaluation of arylic derivatives as
free radicals scavengers and myeloperoxidase inhibitors.
D.
Alemán, M.C. Rosales Hernández, J. Correa Basurto, A.
Ramírez Durán and J.E. Mendieta Wejebe. Natl. Polytech.
Inst., Mexico City.
C161
560.6
Effect of 21-benzylidene digoxin on cancer
cells: a cardenolide with no inhibitory effect on Na,K-ATPase
activity.
M.T.C. Pessoa, L.D.R. Neves, S.C. Rocha, S.L.G.
Alves, J.A.F.P. Villar, L.M. Silva, S.M.F. Oliveira, A.G.
Taranto, I.V. Gomes, F.V. Santos, L.E.M. Quintas, F.G. Noel,
H.L. Santos and L.A. Barbosa. Fed. Univ. of São João del Rei,
Divinópolis, FUNED, Belo Horizonte and Fed. Univ. of Rio de
Janeiro, Brazil.
C162
560.7
Crystallographic studies of biotin carboxylase
bound to associated ligands.
T.C. Broussard, M.J. Kobe, S.
Pakhomova, D.B. Neau, A.E. Price, T.S. Champion and G.L.
Waldrop. LSU and NE-CAT/Cornell Univ., Argonne, IL.
C163
560.8
Development of a mass spectrometry assay
to measure ribonucleotide reductase activity in human cancer
cells.
A.P.S. Tong and K.P. Rice. Colby Col.
C164
560.9
Kinetic studies of synthetic argininal
thiosemicarbazone containing inhibitors of cathepsin B.
L.
Wen, N.R. Yelma, J. Lucas, J-K. Huang and R. McConnell.
Western Illinois Univ.
C165
560.10 Evaluation of synthetic thiosemicarbazone
containing compounds as inhibitors of cathepsin K.
L. Wen,
A.P. Feeley, B.K. Sexton, S.K. Smith, K. Pallempati, J-K.
Huang and R.M. McConnell. Western Illinois Univ.
C166
560.11 Structural and enzymatic study of GlgE, a
validated anti-tubercular drug target.
J.J. Lindenberger, S.K.
Veleti, S.J. Sucheck and D.R. Ronning. Univ. of Toledo.
SUNDAY BIOCHEMISTRY
156
C167
560.12 Enzyme-substrate interactions in
the
Helicobacter pylori 5’-methylthioadenosine/S-
adenosylhomocysteine nucleosidase.
V. Mishra and D.R.
Ronning. Univ. of Toledo.
C168
560.13 Determination of allosteric residues involved in
ligand selectivity in the dihydrofolate reductase family.
S. Patel,
E. Egbert, M. Little and N. Goodey. Montclair State Univ., NJ.
C169
560.14 Inhibition of polyisoprenylated methylated
protein methyl esterase: a putative biomarker and therapeutic
target for pancreatic cancer.
B.J. Aguilar, F. Amissah, R.
Duverna, R.A. Poku and N.S. Lamango. Florida A&M Univ.
Col. of Pharm. and Pharmaceut. Sci.
C170
560.15 Suramin distinguishes between the calmodulin
binding sequences of inducible and neuronal nitric oxide
synthase.
N. Sweda, A. McNamara and R. Stevens-Truss.
Kalamazoo Col.
C171
560.16 Monofluorophosphate inhibits the key step of
internal polysaccharide biosynthesis in Streptococcus mutans.
M.D. Asención Diez, A.M. Demonte, C. Naleway, A.A.
Iglesias and M.A. Ballicora. Natl. Univ. del Litoral, Argentina
and Loyola Univ. Chicago.
C172
560.17 Novel inhibitors of acetate kinase from
Francisella tularensis.
S. Li, M. Schenkel, A. Drake, D. Liu and
W.R.P. Novak. Wabash Col. and Loyola Univ. Chicago.
561. STRUCTURAL ENZYMOLOGY
Poster
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C173
561.1
Role of primary structure variation in structure
and function of calcineurin.
E.C. Cook, T.B. Dunlap and T.P.
Creamer. Univ. of Kentucky.
C174
561.2
Large-scale structural rearrangement of
a serine hydrolase from Francisella tularensis facilitates
catalysis.
R.J. Johnson, E. Filippova, L. Weston, M. Kuhn
and W. Anderson. Butler Univ. and Northwestern Feinberg
Sch. of Med.
C175
561.3
Structural analysis of the GH10 xylanases
Xyn10A and Xyn10C from Xanthomonas axonopodis pv. citri.
K.S. Aadland, G. Nong, J. Preston and J. Hurlbert. Winthrop
Univ., SC and Univ. of Florida.
C176
561.4
Expression, purification and crystallization of
the Xanthomonas euvesicatoria dual specificity protein tyrosine
phosphatase, AvrBs1.1.
L.A. Wilt, N. Potnis, J. Jones and J.
Hurlbert. Winthrop Univ., SC and Univ. of Florida.
C177
561.5
Protein epistasis revealed from thermostability
profiles of Nicotiana tabacum 5-epi-aristolochene synthase.
C. Crenshaw, J. Aljadeff, I. Fernandez, C. Laurendon, M.
Defernez, H.J. Koo, P.E. O’Maille, T. Sharpee and J.P. Noel.
Salk Inst. for Biol. Studies, UCSD, and John Innes Ctr. and Inst.
of Food Res., Norwich, U.K.
C178
561.6
Probing ligand-induced changes in flexibility
of glutamate dehydrogenase using collisional quenching of
fluorescence.
C. Li and E. Bell. Univ. of Richmond.
C179
561.7
Structural insights of outer membrane protein
methyltransferases from rickettsia.
A.H. Abeykoon, N. Noinaj,
C-C. Chao, G. Wang, P.B. Chock, M. Gucek, W-M. Ching, S.K.
Buchanan and D.C.H. Yang. Georgetown Univ., NIDDK and
NHLBI, NIH and Naval Med. Res. Ctr., Silver Spring.
C180
561.8
Determining the role(s) of prime-side residues
in macromolecular inhibition of trypsin-fold serine proteases.
C.
St. Germain and T. Baird, Jr. San Francisco State Univ.
C181
561.9
The role of protein glycosylation in laccases
from Lentinus sp.
W-C. Liu, C-A. Hsu, N-C. Wang, W-Y. Jeng,
A.H-J. Wang and L-F. Shyur. Agr. Biotech. Res. Ctr. and Inst. of
Biol. Chem., Acad. Sinica, Taipei and Natl. Cheng Kung Univ.,
Taiwan.
C182
561.10 The crystal structure of human
15-lipoxygenase-2 in complex with a substrate mimic.
M.J.
Kobe, S.G. Bartlett and M. Newcomer. LSU.
C183
561.11 A naturally variable residue in the S subsite of
M1-family aminopeptidases modulates catalytic properties and
promotes functional specialization.
M. Klemba, D. Ragheb, F.
Schubot and S. Dalal. Virginia Tech.
C184
561.12 Engineering trypsin-fold serine proteases for
inhibitor resistance.
A. Batt and T. Baird, Jr. San Francisco
State Univ.
C185
561.13 Probing the role of n152 in the class C beta-
lactamase AmpC.
B. Wallar, B. Docter, D. Leonard and R.
Powers. Grand Valley State Univ.
C186
561.14 The X-ray crystal structure of the Acinetobacter-
derived cephalosporinase, ADC-7, at 1.7 Å.
A. Porambo, N.
Florek, R. Powers and B. Wallar. Grand Valley State Univ.
C187
561.15 The N152T mutation in the class C beta-
lactamase, AmpC, can serve as a substrate selectivity switch.
V. Baggett, B. Docter, R. Powers and B. Wallar. Grand Valley
State Univ.
562. OBESITY
Poster
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C188
562.1
Suppression of adipocyte differentiation and
adipogenesis by extracts of sweet potato leaves.
C-Y. Lin, T-Y.
Chiang and M-C. Yin. Asia Univ. and China Med. Univ., Taiwan.
C189
562.2
Screening for obesity genotypes from a set of
established T2D associated SNPs in a Saudi population.
N. Al-
Daghri, O. Albagha, K. Alkharfy, M. Alokail, O. Al-Attas and
S. Krishnaswamy. King Saud Univ., Saudi Arabia and Univ. of
Edinurgh.
563. ENZYMES, HORMONES AND OBESITY
Poster
s
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. 7:30
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C190
563.1
Effect of carbamyl (sevin) on the activities of
acetyl cholinesterase and nitric acid synthase in different parts
of rat brain.
M.Y.’H. Osman and H.M.Y. Osman. Med. Res.
Inst., Alexandria, Egypt.
C191
563.2
Leptin regulates surface expression of
b-cell
ATP-sensitive potassium channels via an AMPK/PKA/Cofilin
signaling cascade.
P-C. Chen and S-L. Shyng. Oregon Hlth. &
Sci. Univ.
C192
563.3
Resistin expression study used to develop a
simplified mouse model of adipokine expression.
E. Quijada,
D. Dean and M. Marcucci. Univ. of Saint Joseph, CT.
BIOCHEMISTRY SUNDAY
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