Q04446 (GLGB_HUMAN) Homo sapiens (Human)

1,4-alpha-glucan-branching enzyme UniProtKBInterProSTRINGInteractive Modelling

702 aa; Sequence (Fasta)

Sequence Features

 357Nucleophile
 412Proton donor
 190R -> G (in dbSNP:rs2229519) VAR_022109 dbSNP
 224L -> P (in GSD4; loss of activity; dbSNP:rs137852886) VAR_022429 dbSNP
 257F -> L (in GSD4; loss of activity; dbSNP:rs137852887) VAR_022430 dbSNP
 265T -> S (in dbSNP:rs17856389) VAR_034747 dbSNP
 329Y -> S (in GSD4; non-progressive form; impairs protein stability; 50% residual activity; dbSNP:rs80338671) VAR_022431 dbSNP
 334I -> V (in dbSNP:rs2172397) VAR_034748 dbSNP
 507T -> A (in dbSNP:rs2228389) VAR_034749 dbSNP
 515R -> C (in GSD4; loss of activity; dbSNP:rs80338672) VAR_022432 dbSNP
 515R -> H (in APBN; dbSNP:rs201958741) VAR_022433 dbSNP
 524R -> Q (in GSD4 and APBN; dbSNP:rs80338673) VAR_022434 dbSNP
 545H -> R (in GSD4; dbSNP:rs137852889) VAR_022435 dbSNP
 628H -> R (in GSD4; childhood neuromuscular form; 15 to 25% residual activity; dbSNP:rs137852891) VAR_022436 dbSNP
 76-161Glycoside hydrolase, family 13, N-terminal
IPR004193PF02922
 224-333Glycosyl hydrolase, family 13, catalytic domain
IPR006047PF00128
 603-697Alpha-amylase/branching enzyme, C-terminal all beta
IPR006048PF02806

Sequence Alignments

Experimental structures

DescriptionOligo-stateLigandsStructureRangeDownloadAssess
Crystal structure of human glycogen branching enzyme (GBE1)monomer 4bzy43-700
Crystal structure of human glycogen branching enzyme (GBE1) in complex with maltoheptaosemonomer GLC;5clw43-700
Crystal structure of human glycogen branching enzyme (GBE1) in complex with acarbosemonomer ACR;5clt44-699