GO:0005783; C:endoplasmic reticulum; IDA:UniProtKB.
GO:0048471; C:perinuclear region of cytoplasm; IDA:UniProtKB.
GO:0005509; F:calcium ion binding; IDA:UniProtKB.
GO:0046982; F:protein heterodimerization activity; IDA:UniProtKB.
GO:0042803; F:protein homodimerization activity; IDA:UniProtKB.
GO:0009653; P:anatomical structure morphogenesis; TAS:ProtInc.
GO:0030183; P:B cell differentiation; IEP:UniProtKB.
GO:0046903; P:secretion; TAS:UniProtKB.