Download Table II: Arabidopsis thaliana RAB GTPase interacting proteins

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Supplemental Table I: Arabidopsis thaliana RAB GTPase interacting proteins
Genes Name
RabGDI
AtRabGDI1
AGI Gened
Accession Numbere
AtRabGDI2
At3g59920
At2g44100
2446980
21360457
AtRabGDI3
At5g09550
15242440
AtREP1
At3g06540
20453227
RabGEF
AtVPS9a
At3g19770
18402362
AtVPS9b
At5g09320
15242388
RabGAP
AtGYPA1a
At2g30710
13877620
AtGYPA1b
At4g13730
15236337
AtGYPA1c
At1g04830
15220331
AtGYPB1a
At2g20440
15225355
AtGYPB1b
At4g28550
15235345
AtGYPB1c
At4g27100
15236983
AtGYPB1d
At5g54780
15239749
AtGYPB1e
At2g43490
15224288
AtGYPB1f
At3g57590
15230342
AtGYPB2a
At5g52590
15237206
AtGYPB2b
At5g41940
15238237
AtGYPB2c
At5g53570
15238777
AtGYPB2d
At3g49350
15229125
AtGYPB2e
At5g24390
15238518
AtGYPC1a
At3g07890
18398086
AtGYPC1b
At3g55020
21360505
AtGYPC1c
At2g39280
15225062
AtGYPC1d
At2g37290
15228114
AtGYPD1a
At3g02460
18396193
AtGYPD1b
At5g15930
15237222
Supplemental Table II: A. thaliana RCC1 motif containing proteins
AGI Genea
Accession
numberb
Putative Protein function /
At5g63860
15237540
UV-B resistance protein UVR-8 d
5
At5g16040
15237253
UVB-resistance protein-like
3
At3g02300
15232881
Unknown
3
At1g65920
15218867
PARF-1 FYVE zinc finger domain containing
protein, binds monophosphorylated
4
characteristics
Number of RCC1
c
phosphoinositide lipids
motifs
c
e
At5g19420
15239739
Regulator of chromosome condensation -like
3
At5g48330
15238941
Regulator of chromosome condensation -like
4
At5g60870
15239463
UV-B resistance protein UVR8-like protein
1
At3g47660
15228210
Unknown, contains a sugar transport signature
3
At4g14370
15236489
Disease resistance N-like protein, contains a
ATP/GTP binding site motif A
2
At1g69710
15222423
Unknown, contains a cytochrome c family
heme binding site signature
3
At3g53830
15232347
UV-B resistance protein UVR8-like protein
5
At3g26100
16323434
Unknown, contains a prokaryotic membrane
lipoprotein lipid attachment site
1
At1g76950
18411298
Zinc finger protein PRAF-1
At3g55580
15233306
Regulator of chromosome condensation -like
4
At1g27060
15223423
Unknown, contains a prokaryotic membrane
lipoprotein lipid attachment site
1
At1g19880
15223697
Unknown, contains a cytochrome c family
heme binding site signature
3
At3g03790
15228636
Unknown, contains a ATP/GTP binding
site motif A
1
f
3
(a) Arabidopsis Genome Initiative (AGI) gene nomenclature (b) Genbank protein accession no. (GI:) for a
translation of the corresponding gene (c) Structural protein characteristics and number of RCC1 motifs
were determined using Prosite (http://us.expasy.org/prosite/). (d) Kliebenstein et al., 2002 (e) Heras and
Drobak, 2002 (f) Jensen et al., 2001
Supplemental Figure. The GTPase cycle and its regulators. Changes in
protein conformation that occur upon GTP hydrolysis by small GTPases allow
these regulatory proteins to act as molecular switches that control diverse
biological functions in eukaryotic cells (Bourne et al., 1991; Hall, 1998).
Physiological control of the GTPase cycle is exerted through interaction of the
small GTPase protein either with guanine nucleotide exchange factors (GEFs),
that “activate” GTPases by forcing release of GDP and exchange for GTP, or
through interaction with GTPase activating proteins (GAPs), that “inactivate”
GTPases by stimulating GTP hydrolysis. When in the “active” state, the small
GTPases interact with “effector” proteins that carry out downstream events.
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