SMTL ID : 4l41.1

Human Lactose synthase: A 2:1 complex between human alpha-lactalbumin and human beta1,4-galactosyltransferase

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.70 Å

Oligo State

hetero-2-1-mer

Ligands

2 x CA: CALCIUM ION(Non-covalent)

CA.1: 5 residues within 4Å: Chain A: K.80, D.83, D.85, D.88, D.89 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:K.80, A:D.83, A:D.85, A:D.88, A:D.89 CA.3: 7 residues within 4Å: Chain C: K.80, F.81, L.82, D.83, D.85, D.88, D.89 4 PLIP interactions: 4 interactions with chain C Metal complexes: C:K.80, C:D.83, C:D.85, C:D.89

1 x SO4: SULFATE ION(Non-functional Binders)

SO4.2: 5 residues within 4Å: Chain B: E.33, F.34, N.35, R.228, R.231 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:E.33, B:F.34 Salt bridges: B:R.228, B:R.231

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ramakrishnan, B. et al., Crystal Structure of Human Lactose Synthase forms a Novel 1:2 Complex between beta1,4Galactosyltransferase 1 and alpha-Lactalbumin Proteins. To be Published

Release Date

2013-10-02

Peptides

Alpha-lactalbumin: AC
Beta-1,4-galactosyltransferase 1: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
B

B
C

Alpha-lactalbumin

Beta-1,4-galactosyltransferase 1