ID   GLB1_LAMSP              Reviewed;          41 AA.
AC   P20412;
DT   01-FEB-1991, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1991, sequence version 1.
DT   25-MAY-2022, entry version 62.
DE   RecName: Full=Giant hemoglobin AI chain;
DE   Flags: Fragment;
OS   Lamellibrachia sp. (Deep-sea giant tube worm).
OC   Eukaryota; Metazoa; Spiralia; Lophotrochozoa; Annelida; Polychaeta;
OC   Sedentaria; Canalipalpata; Sabellida; Siboglinidae; Lamellibrachia;
OC   unclassified Lamellibrachia.
OX   NCBI_TaxID=6424;
RN   [1]
RP   PROTEIN SEQUENCE.
RX   PubMed=3202832;
RA   Suzuki T., Takagi T., Ohta S.;
RT   "N-terminal amino acid sequence of the deep-sea tube worm haemoglobin
RT   remarkably resembles that of annelid haemoglobin.";
RL   Biochem. J. 255:541-545(1988).
CC   -!- SUBUNIT: Giant hemoglobin is composed of four heme-containing chains
CC       (AI to AIV), and two linker chains (AV and AVI).
CC   -!- SIMILARITY: Belongs to the globin family. {ECO:0000255|PROSITE-
CC       ProRule:PRU00238}.
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DR   PIR; S01807; S01807.
DR   AlphaFoldDB; P20412; -.
DR   SMR; P20412; -.
DR   GO; GO:0020037; F:heme binding; IEA:InterPro.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0019825; F:oxygen binding; IEA:InterPro.
DR   GO; GO:0005344; F:oxygen carrier activity; IEA:UniProtKB-KW.
DR   Gene3D; 1.10.490.10; -; 1.
DR   InterPro; IPR012292; Globin/Proto.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Heme; Iron; Metal-binding; Oxygen transport;
KW   Transport.
FT   CHAIN           1..>41
FT                   /note="Giant hemoglobin AI chain"
FT                   /id="PRO_0000052520"
FT   NON_TER         41
SQ   SEQUENCE   41 AA;  4572 MW;  673E6629936FA5D9 CRC64;
     TDCGMLQRIK VKQQWASVYS SGIAREDFGE AIWKAVFALA P