Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

U - Intracellular trafficking, secretion, and vesicular transport

Download

Stats

COG
definitions
Organims Proteins Median Protein
Length
Genes
109 1,303 62,030 322.0 99
Organism Protein COG Cat Annotation
1298 1320 COG0201 U Preprotein translocase subunit SecY
1153 1213 COG0341 U Preprotein translocase subunit SecF
1156 1254 COG0342 U Preprotein translocase subunit SecD
1261 1261 COG0541 U Signal recognition particle GTPase
1241 1241 COG0552 U Signal recognition particle GTPase FtsY
1147 1325 COG0597 M U Lipoprotein signal peptidase
175 402 COG0630 N U Type IV secretory pathway ATPase VirB11/Archaellum biosynthesis ATPase ArlI/FlaI
1169 1311 COG0653 U Preprotein translocase subunit SecA (ATPase, RNA helicase)
1070 1072 COG0658 U DNA uptake channel protein ComEC, N-terminal domain
1188 1717 COG0681 U Signal peptidase I
1077 1068 COG0690 U Preprotein translocase subunit SecE
1053 1164 COG0805 U Twin-arginine protein secretion pathway component TatC
802 2429 COG0811 U Biopolymer transport protein ExbB/TolQ
832 2129 COG0823 U Periplasmic component TolB of the Tol biopolymer transport system
774 2551 COG0848 U Biopolymer transport protein ExbD
75 75 COG1096 U Exosome complex RNA-binding protein Csl4, contains S1 and Zn-ribbon domains
75 75 COG1097 U Exosome complex RNA-binding protein Rrp4, contains S1 and KH domains
614 751 COG1157 N U Flagellar biosynthesis/type III secretory pathway ATPase FliI
640 683 COG1272 U Predicted membrane channel-forming protein YqfA, hemolysin III family
817 814 COG1314 U Protein translocase subunit SecG
508 590 COG1317 N U Flagellar biosynthesis/type III secretory pathway protein FliH
108 111 COG1325 U Exosome subunit, RNA binding protein with dsRBD fold
116 116 COG1400 U Signal recognition particle subunit SEC65
501 992 COG1450 U Type II secretory pathway component GspD/PulD (secretin)
763 1480 COG1459 N W U Type II secretory pathway, component PulF
492 557 COG1516 N U Flagellin-specific chaperone FliS
592 652 COG1766 N U Flagellar biosynthesis/type III secretory pathway M-ring protein FliF/YscJ
1018 1895 COG1826 U Twin-arginine protein secretion pathway components TatA and TatB
115 116 COG1855 W U Predicted ATPase, PilT family, contains N-terminal PIN domain
1047 1051 COG1862 U Protein translocase subunit YajC
617 866 COG1886 N U Flagellar motor switch/type III secretory pathway protein FliN
482 493 COG1952 U Preprotein translocase subunit SecB
727 786 COG1989 N U Prepilin signal peptidase PulO (type II secretory pathway) or related peptidase
78 79 COG2123 U Exosome complex RNA-binding protein Rrp42, RNase PH superfamily
656 3374 COG2165 N W U Type II secretory pathway, pseudopilin PulG
200 482 COG2229 U Signal recognition particle receptor subunit beta, a GTPase
284 294 COG2257 U Type III secretion system substrate exporter, FlhB-like
796 1074 COG2333 U DNA uptake channel protein ComEC C-terminal domain, metallo-beta-lactamase superfamily
102 102 COG2443 U Preprotein translocase subunit Sss1
764 1768 COG2804 N W U Type II secretory pathway ATPase GspE/PulE or T4P pilus assembly pathway ATPase PilB
335 665 COG2831 U Hemolysin activation/secretion protein
195 356 COG2948 U Type IV secretory pathway, VirB10 component
172 200 COG3031 U Type II secretory pathway, component PulC
198 202 COG3114 U Heme exporter protein D
154 162 COG3149 U Type II secretory pathway, component PulM
290 334 COG3156 U Type II secretory pathway, component PulK
214 458 COG3157 U Type VI protein secretion system component Hcp (secreted cytotoxin)
255 845 COG3210 U Large exoprotein involved in heme utilization or adhesion
338 631 COG3267 W U Type II secretory pathway ATPase component GspA/ExeA/MshM
105 129 COG3271 U Predicted double-glycine leader peptidase, C39-like (CLD) domain
173 178 COG3297 U Type II secretory pathway, component PulL
162 171 COG3418 N U Flagellar biosynthesis/type III secretory pathway chaperone FlgN
520 983 COG3451 U Type IV secretory pathway, VirB4 component
202 290 COG3455 U Type VI protein secretion system component TssL/VasF/DotU
152 182 COG3456 T U Predicted component of the type VI protein secretion system, contains a FHA domain
110 375 COG3468 M U Autotransporter adhesin AidA
309 991 COG3501 U X R Uncharacterized conserved protein VgrG, implicated in type VI secretion and phage assembly
180 345 COG3504 U Type IV secretory pathway, VirB9 components
556 1138 COG3505 U Type IV secretory pathway, VirD4 component, TraG/TraD family ATPase
188 288 COG3515 U Type VI protein secretion system component TssA1/VasJ/EvfE, contains ImpA_N domain
201 292 COG3516 U Predicted component TssA of the type VI protein secretion system
199 331 COG3517 U Predicted component TssB of the type VI protein secretion system, VipA/VipB/TssB family
197 263 COG3518 U Predicted component of the type VI protein secretion system
197 281 COG3519 U Type VI protein secretion system component VasA
199 272 COG3520 U Predicted component of the type VI protein secretion system
154 215 COG3521 U Type VI secretion system component TssJ/Cytochrome oxidase assembly protein CtaK
205 285 COG3522 U Predicted component of the type VI protein secretion system
197 306 COG3523 U Type VI protein secretion system component VasK
117 158 COG3559 U Putative exporter of oligosaccharides and polyketide antibiotics DrrB/NodJ, ABC-2 family
120 209 COG3701 U Type IV secretory pathway, TrbF component
94 116 COG3702 U Type IV secretory pathway, VirB3 component
98 166 COG3704 U Type IV secretory pathway, VirB6 component
94 133 COG3736 U Type IV secretory pathway, component VirB8
342 452 COG3745 W U Flp pilus assembly protein CpaB
125 236 COG3838 U Type IV secretory pathway, VirB2 component (pilin)
92 171 COG3843 U Type IV secretory pathway, VirD2 component (relaxase)
114 189 COG3846 U Type IV secretory pathway, TrbL components
200 372 COG3847 W U Flp pilus assembly protein, pilin Flp
120 134 COG3913 T U Regulator of T6SS expression TagF, TagF/ImpM/SciT family (unrelated to teichoic acid polymerase TagF of B.subtilis, COG1887)
61 72 COG3946 U Type IV secretory pathway, VirJ component
93 93 COG4023 U Preprotein translocase subunit SecG (Sec61beta)
58 61 COG4083 U Exosortase/Archaeosortase
217 448 COG4104 U Zn-binding Pro-Ala-Ala-Arg (PAAR) domain, involved in Type VI secretion
73 79 COG4473 U Predicted ABC-type exoprotein transport system, permease component
25 25 COG4499 U ESX protein secretion system component YukC
181 284 COG4618 U ABC-type protease/lipase transport system, ATPase and permease components
82 111 COG4669 U Type III secretory pathway, lipoprotein EscJ
81 110 COG4789 U Type III secretory pathway, component EscV
80 108 COG4790 U Type III secretory pathway, EscR/YscR component
75 96 COG4791 U Type III secretory pathway, EscT/YscT component
27 31 COG4792 U Type III secretory pathway, EscU/YscU component
69 91 COG4794 U Type III secretory pathway, EscS/YscS component
323 400 COG4795 U Type II secretory pathway, PulJ/GspJ component
365 407 COG4796 U Type II secretory pathway, component HofQ
287 410 COG4959 U O Type IV secretory pathway, protease TraF
277 706 COG4961 W U Flp pilus assembly protein TadG, includes N-terminal TadE domain
581 1133 COG4962 W U Pilus assembly protein, ATPase of CpaF family
310 398 COG4963 W U Flp pilus assembly ATPase CpaE/TadZ, contains N-terminal REC/TadZ_N domain
259 373 COG4964 W U Flp pilus assembly protein, secretin CpaC
494 850 COG4965 W U Flp pilus assembly protein TadB
786 2111 COG5010 W U Flp pilus assembly protein TadD, contains TPR repeats
27 27 COG5036 U P SPX domain-containing protein involved in vacuolar polyphosphate accumulation
4 4 COG5153 U Putative lipase ATG15 (essential for vacuolar disintegration of autophagic bodies)
102 178 COG5268 U Type IV secretory pathway, TrbD component
104 250 COG5295 W U Autotransporter adhesin
30 32 COG5407 U Preprotein translocase subunit Sec63
18 18 COG5417 U ESX protein secretion system component YukD
12 15 COG5555 U Cytolysin, a secreted calcineurin-like phosphatase
17 17 COG5613 U Type III secretion system effector SseC (host membrane pore formation)