1I6Q

Formation of a protein intermediate and its trapping by the simultaneous crystallization process: Crystal structure of an iron-saturated intermediate in the FE3+ binding pathway of camel lactoferrin at 2.7 resolution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	LACTOFERRIN	polymer	689	75452.1	1	UniProt (Q9TUM0) Pfam (PF00405) In PDB	Camelus dromedarius (Arabian camel)
2	A	FE (III) ION	non-polymer		55.8	2	Chemie (FE)
3	A	CARBONATE ION	non-polymer		60.0	2	Chemie (CO3)
4		water	water		18.0	233	Chemie (HOH)

Sequence modifications

A: 1 - 689 (UniProt: Q9TUM0)

PDB	External Database	Details
Lys 17	Ser 36	SEE REMARK 999
Gln 87	Asn 106	SEE REMARK 999
Phe 242	Ser 261	SEE REMARK 999
Lys 312	Ser 331	SEE REMARK 999
Asp 477	Asn 496	SEE REMARK 999
Leu 513	Asn 532	SEE REMARK 999
Leu 523	Tyr 542	SEE REMARK 999
Gly 556	Asn 575	SEE REMARK 999
Arg 608	Glu 627	SEE REMARK 999
Glu 623	Gln 642	SEE REMARK 999
Asp 658	Glu 677	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	75452.1
Non-Polymers*	Number of molecules	4
	Total formula weight	231.7
All*	Total formula weight	75683.9

*Water molecules are not included.