PDB entry 1qsi
View 1qsi on RCSB PDB site
Description: magnesium(II)-and zinc(II)-protoporphyrin ix's stabilize the lowest oxygen affinity state of human hemoglobin even more strongly than deoxyheme
Class: oxygen storage/transport
Keywords: hemoglobin; oxygen affinity; allosteric effect; metal substitution; trigger mechanism; alpha co liganded, oxygen storage/transport complex
Deposited on
1999-06-22, released
1999-07-02
The last revision prior to the SCOPe 2.05 freeze date was dated
2009-02-24, with a file datestamp of
2009-03-01.
Experiment type: XRAY
Resolution: 1.7 Å
R-factor: 0.186
AEROSPACI score: 0.54
(click here for full SPACI score report)
Chains and heterogens:
- Chain 'A':
Compound: protein (hemoglobin alpha chain)
Species: Homo sapiens [TaxId:9606]
Database cross-references and differences (RAF-indexed):
Domains in SCOPe 2.05: d1qsia_ - Chain 'B':
Compound: protein (hemoglobin beta chain)
Species: Homo sapiens [TaxId:9606]
Database cross-references and differences (RAF-indexed):
Domains in SCOPe 2.05: d1qsib_ - Chain 'C':
Compound: protein (hemoglobin alpha chain)
Species: Homo sapiens [TaxId:9606]
Database cross-references and differences (RAF-indexed):
Domains in SCOPe 2.05: d1qsic_ - Chain 'D':
Compound: protein (hemoglobin beta chain)
Species: Homo sapiens [TaxId:9606]
Database cross-references and differences (RAF-indexed):
Domains in SCOPe 2.05: d1qsid_ - Heterogens: HEM, CMO, HEG, HOH
PDB Chain Sequences:
- Chain 'A':
Sequence; same for both SEQRES and ATOM records: (download)
>1qsiA (A:)
vlspadktnvkaawgkvgahageygaealermflsfpttktyfphfdlshgsaqvkghgk
kvadaltnavahvddmpnalsalsdlhahklrvdpvnfkllshcllvtlaahlpaeftpa
vhasldkflasvstvltskyr
- Chain 'B':
Sequence; same for both SEQRES and ATOM records: (download)
>1qsiB (B:)
vhltpeeksavtalwgkvnvdevggealgrllvvypwtqrffesfgdlstpdavmgnpkv
kahgkkvlgafsdglahldnlkgtfatlselhcdklhvdpenfrllgnvlvcvlahhfgk
eftppvqaayqkvvagvanalahkyh
- Chain 'C':
Sequence; same for both SEQRES and ATOM records: (download)
>1qsiC (C:)
vlspadktnvkaawgkvgahageygaealermflsfpttktyfphfdlshgsaqvkghgk
kvadaltnavahvddmpnalsalsdlhahklrvdpvnfkllshcllvtlaahlpaeftpa
vhasldkflasvstvltskyr
- Chain 'D':
Sequence; same for both SEQRES and ATOM records: (download)
>1qsiD (D:)
vhltpeeksavtalwgkvnvdevggealgrllvvypwtqrffesfgdlstpdavmgnpkv
kahgkkvlgafsdglahldnlkgtfatlselhcdklhvdpenfrllgnvlvcvlahhfgk
eftppvqaayqkvvagvanalahkyh