PDB entry 1nqi
View 1nqi on RCSB PDB site
Description: crystal structure of lactose synthase, a 1:1 complex between beta1,4-galactosyltransferase and alpha-lactalbumin in the presence of GlcNAc
Class: transferase activator/transferase
Keywords: lactose synthase, N-acetylglucosamine binding, TRANSFERASE ACTIVATOR-TRANSFERASE COMPLEX
Deposited on
2003-01-21, released
2003-02-04
The last revision prior to the SCOPe 2.08 freeze date was dated
2020-07-29, with a file datestamp of
2020-07-04.
Experiment type: XRAY
Resolution: 2 Å
R-factor: N/A
AEROSPACI score: 0.37
(click here for full SPACI score report)
Chains and heterogens:
- Chain 'A':
Compound: alpha-lactalbumin
Species: Mus musculus [TaxId:10090]
Database cross-references and differences (RAF-indexed):
Domains in SCOPe 2.08: d1nqia_ - Chain 'B':
Compound: beta-1,4-galactosyltransferase
Species: Bos taurus [TaxId:9913]
Database cross-references and differences (RAF-indexed):
Domains in SCOPe 2.08: d1nqib_ - Chain 'C':
Compound: alpha-lactalbumin
Species: Mus musculus [TaxId:10090]
Database cross-references and differences (RAF-indexed):
Domains in SCOPe 2.08: d1nqic_ - Chain 'D':
Compound: beta-1,4-galactosyltransferase
Species: Bos taurus [TaxId:9913]
Database cross-references and differences (RAF-indexed):
Domains in SCOPe 2.08: d1nqid_ - Heterogens: CA, NAG, HOH
PDB Chain Sequences:
- Chain 'A':
Sequence; same for both SEQRES and ATOM records: (download)
>1nqiA (A:)
teltkckvshaikdidgyqgisllewacvlfhtsgydtqavvndngsteyglfqisdrfw
ckssefpesenicgiscdkllddeldddiacakkilaikgidywkaykpmcsekleqwrc
ekp
- Chain 'B':
Sequence, based on SEQRES records: (download)
>1nqiB (B:)
asmtggqqmgrgssltacpeespllvgpmliefnipvdlklveqqnpkvklggrytpmdc
isphkvaiiipfrnrqehlkywlyylhpilqrqqldygiyvinqagesmfnrakllnvgf
kealkdydyncfvfsdvdlipmndhntyrcfsqprhisvamdkfgfslpyvqyfggvsal
skqqflsingfpnnywgwggedddiynrlafrgmsvsrpnavigkcrmirhsrdkknepn
pqrfdriahtketmlsdglnsltymvlevqryplytkitvdigtps
Sequence, based on observed residues (ATOM records): (download)
>1nqiB (B:)
ltacpeespllvgpmliefnipvdlklveqqnpkvklggrytpmdcisphkvaiiipfrn
rqehlkywlyylhpilqrqqldygiyvinqagesmfnrakllnvgfkealkdydyncfvf
sdvdlipmndhntyrcfsqprhisvamdkfgfslpyvqyfggvsalskqqflsingfpnn
ywgwggedddiynrlafrgmsvsrpnavigkcrmirhsrdkknepnpqrfdriahtketm
lsdglnsltymvlevqryplytkitvdigtps
- Chain 'C':
Sequence; same for both SEQRES and ATOM records: (download)
>1nqiC (C:)
teltkckvshaikdidgyqgisllewacvlfhtsgydtqavvndngsteyglfqisdrfw
ckssefpesenicgiscdkllddeldddiacakkilaikgidywkaykpmcsekleqwrc
ekp
- Chain 'D':
Sequence, based on SEQRES records: (download)
>1nqiD (D:)
asmtggqqmgrgssltacpeespllvgpmliefnipvdlklveqqnpkvklggrytpmdc
isphkvaiiipfrnrqehlkywlyylhpilqrqqldygiyvinqagesmfnrakllnvgf
kealkdydyncfvfsdvdlipmndhntyrcfsqprhisvamdkfgfslpyvqyfggvsal
skqqflsingfpnnywgwggedddiynrlafrgmsvsrpnavigkcrmirhsrdkknepn
pqrfdriahtketmlsdglnsltymvlevqryplytkitvdigtps
Sequence, based on observed residues (ATOM records): (download)
>1nqiD (D:)
ltacpeespllvgpmliefnipvdlklveqqnpkvklggrytpmdcisphkvaiiipfrn
rqehlkywlyylhpilqrqqldygiyvinqagesmfnrakllnvgfkealkdydyncfvf
sdvdlipmndhntyrcfsqprhisvamdkfgfslpyvqyfggvsalskqqflsingfpnn
ywgwggedddiynrlafrgmsvsrpnavigkcrmirhsrdkknepnpqrfdriahtketm
lsdglnsltymvlevqryplytkitvdigtps