Endoplasmic reticulum lumen
The endoplasmic reticulum (ER) lumen constitutes the aqueous, enclosed space within the ER membrane network, serving as a critical compartment for protein folding, post-translational modification (e.g., glycosylation, disulfide bond formation), and lipid synthesis. Its unique oxidizing environment facilitates proper protein maturation, while specialized chaperones (e.g., BiP) and quality control mechanisms ensure only correctly folded proteins proceed to the Golgi. Additionally, the lumen acts as a major intracellular calcium reservoir, essential for cellular signaling. Dysfunction in lumenal processes is linked to protein misfolding diseases and cellular stress. (Approx. 90 words)
Metabolites
Proteins
KAR2;
PDI1;
EUG1;
LHS1;
MNL1;
MPD1;
KAR2;
KAR2;
A0A0C7MWT6_9SACH;
A0A1E3P031_WICAA;
A0A1G4JDC4_9SACH;
A0A1Q2ZTU1_ZYGRO;
A7TJ69_VANPO;
NCAS0A01220;
NDAI0C02310;
TPHA0N00920;
G8JXH1_ERECY;
TDEL0E03870;
TBLA0D03380;
KNAG0F02620;
CPR5;
A0A061AQG2_CYBFA;
bip;
A0A0H5C3Z6_CYBJN;
A0A0P1KVH6_9SACH;
A0A0W0DP54_CANGB;
A0A1D2VB97_9ASCO;
A0A1E5RWR4_9ASCO;
A0A1G4J9K6_9SACH;
A0A1G4JVM7_9SACH;
A0A1G4K2W1_9SACH;
A0A1G4KEL4_9SACH;
A0A1G4MGX4_LACFM;
A0A1Q3A8B8_ZYGRO;
A0A1V2L9S2_CYBFA;
A0A1X7R3S8_9SACH;
A0A1X7R563_9SACH;
KAR2;
PDI1;
KAR2_1;
KAR2_2;
A0A7G3ZJ01_9SACH;
A0A7H9AWC1_ZYGMR;
A0A7H9HX36_9SACH;
A0A8B8UMC6_SACPA;
A0A8B8UU53_SACPA;
A0A8H2VG40_9SACH;
A0A8J2T748_ZYGB2;
PDI1_2;
KAR2;
A0A9P8PIM5_9ASCO;
A0A9P8TPB8_WICPI;
SMKI10G1750;
SMKI03G0260;
SMKI05G1880;
SUVC10G1870;
SKDI10G1810;
SUVC05G1870;
A0AAN7WIH9_9SACH;
A0AAN7WNG2_9SACH;
A0AAV5QJF6_9ASCO;
A0AAV5QRU0_9ASCO;
A0AAV5S586_MAUHU;
KAR2;
PDI1;
A7TFB1_VANPO;
B3LQ77_YEAS1;
B3LU41_YEAS1;
C5DK19_LACTC;
C5DMC8_LACTC;
C5DQE5_ZYGRC;
KAR2;
PDI1;
C8Z447_YEAS8;
C8ZBH9_YEAS8;
F2Z6F2_KLULA;
NCAS0B08940;
NDAI0A00310;
K7_PDI1;
K7_SSA4;
K7_KAR2;
TPHA0B04860;
TDEL0C06720;
H0GD36_SACCK;
H0GIK3_SACCK;
H0GRS5_SACCK;
KAFR0D00300;
KAFR0E01650;
KAFR0J01060;
TBLA0A05040;
YCL043C;
KNAG0C00380;
J8LM34_SACAR;
J8LQX0_SACAR;
KAR2;
N1P0X7_YEASC;
N1P7R5_YEASC;
GRP78;
LHS1;
PDI1;
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