Chains and heterogens:
PDB Chain Sequences:
>1rihH (H:) qvqlqqsgnelakpgasmkmscrasgysftsywihwlkqrpdqglewigyidpataytes nqkfkdkailtadrssntafmylnsltsedsavyycaresprlrrgiyyyamdywgqgtt vtvssakttppsvyplapgsaaqtnsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpa vlqsdlytlsssvtvpsstwpsetvtcnvahpasstkvdkkivprdcgckp
>1rihH (H:) qvqlqqsgnelakpgasmkmscrasgysftsywihwlkqrpdqglewigyidpataytes nqkfkdkailtadrssntafmylnsltsedsavyycaresprlrrgiyyyamdywgqgtt vtvssakttppsvyplapgsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqsdl ytlsssvtvpsstwpsetvtcnvahpasstkvdkkivprdc
>1rihL (L:) dlvltqspatlsvtpgdsvsfscrasqsisnnlhwyqqrthesprllikyasqsisgips rfsgsgsgtdftlsissvetedfgmyfcqqsnrwpltfgagtklelkradaaptvsifpp sseqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysmsstlt ltkdeyerhnsytceathktstspivksfnrnec
>1rihL (L:) dlvltqspatlsvtpgdsvsfscrasqsisnnlhwyqqrthesprllikyasqsisgips rfsgsgsgtdftlsissvetedfgmyfcqqsnrwpltfgagtklelkradaaptvsifpp sseqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysmsstlt ltkdeyerhnsytceathktstspivksfnrn